1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 5                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2013 The PHP Group                                |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 3.01 of the PHP license,      |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.php.net/license/3_01.txt                                  |
11   | If you did not receive a copy of the PHP license and are unable to   |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@php.net so we can mail you a copy immediately.               |
14   +----------------------------------------------------------------------+
15   | Authors: Scott MacVicar <scottmac@php.net>                           |
16   +----------------------------------------------------------------------+
17*/
18
19/* $Id$ */
20
21#ifdef HAVE_CONFIG_H
22#include "config.h"
23#endif
24
25#include "php.h"
26#include "php_ini.h"
27#include "ext/standard/info.h"
28#include "php_sqlite3.h"
29#include "php_sqlite3_structs.h"
30#include "main/SAPI.h"
31
32#include <sqlite3.h>
33
34#include "zend_exceptions.h"
35#include "zend_interfaces.h"
36#include "SAPI.h"
37
38ZEND_DECLARE_MODULE_GLOBALS(sqlite3)
39
40static PHP_GINIT_FUNCTION(sqlite3);
41static int php_sqlite3_authorizer(void *autharg, int access_type, const char *arg3, const char *arg4, const char *arg5, const char *arg6);
42static void sqlite3_param_dtor(void *data);
43static int php_sqlite3_compare_stmt_zval_free(php_sqlite3_free_list **free_list, zval *statement);
44
45/* {{{ Error Handler
46*/
47static void php_sqlite3_error(php_sqlite3_db_object *db_obj, char *format, ...)
48{
49    va_list arg;
50    char    *message;
51    TSRMLS_FETCH();
52
53    va_start(arg, format);
54    vspprintf(&message, 0, format, arg);
55    va_end(arg);
56
57    if (db_obj->exception) {
58        zend_throw_exception(zend_exception_get_default(TSRMLS_C), message, 0 TSRMLS_CC);
59    } else {
60        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", message);
61    }
62
63    if (message) {
64        efree(message);
65    }
66}
67/* }}} */
68
69#define SQLITE3_CHECK_INITIALIZED(db_obj, member, class_name) \
70    if (!(member)) { \
71        php_sqlite3_error(db_obj, "The " #class_name " object has not been correctly initialised"); \
72        RETURN_FALSE; \
73    }
74
75/* {{{ PHP_INI
76*/
77PHP_INI_BEGIN()
78    STD_PHP_INI_ENTRY("sqlite3.extension_dir",  NULL, PHP_INI_SYSTEM, OnUpdateString, extension_dir, zend_sqlite3_globals, sqlite3_globals)
79PHP_INI_END()
80/* }}} */
81
82/* Handlers */
83static zend_object_handlers sqlite3_object_handlers;
84static zend_object_handlers sqlite3_stmt_object_handlers;
85static zend_object_handlers sqlite3_result_object_handlers;
86
87/* Class entries */
88zend_class_entry *php_sqlite3_sc_entry;
89zend_class_entry *php_sqlite3_stmt_entry;
90zend_class_entry *php_sqlite3_result_entry;
91
92/* {{{ proto void SQLite3::open(String filename [, int Flags [, string Encryption Key]])
93   Opens a SQLite 3 Database, if the build includes encryption then it will attempt to use the key. */
94PHP_METHOD(sqlite3, open)
95{
96    php_sqlite3_db_object *db_obj;
97    zval *object = getThis();
98    char *filename, *encryption_key, *fullpath;
99    int filename_len, encryption_key_len = 0;
100    long flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
101    zend_error_handling error_handling;
102
103    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
104    zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
105
106    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls", &filename, &filename_len, &flags, &encryption_key, &encryption_key_len)) {
107        zend_restore_error_handling(&error_handling TSRMLS_CC);
108        return;
109    }
110
111    zend_restore_error_handling(&error_handling TSRMLS_CC);
112
113    if (db_obj->initialised) {
114        zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Already initialised DB Object", 0 TSRMLS_CC);
115    }
116
117    if (strlen(filename) != filename_len) {
118        return;
119    }
120    if (memcmp(filename, ":memory:", sizeof(":memory:")) != 0) {
121        if (!(fullpath = expand_filepath(filename, NULL TSRMLS_CC))) {
122            zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Unable to expand filepath", 0 TSRMLS_CC);
123            return;
124        }
125
126#if PHP_API_VERSION < 20100412
127        if (PG(safe_mode) && (!php_checkuid(fullpath, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
128            zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "safe_mode prohibits opening %s", fullpath);
129            efree(fullpath);
130            return;
131        }
132#endif
133
134        if (php_check_open_basedir(fullpath TSRMLS_CC)) {
135            zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "open_basedir prohibits opening %s", fullpath);
136            efree(fullpath);
137            return;
138        }
139    } else {
140        fullpath = estrdup(filename);
141    }
142
143#if SQLITE_VERSION_NUMBER >= 3005000
144    if (sqlite3_open_v2(fullpath, &(db_obj->db), flags, NULL) != SQLITE_OK) {
145#else
146    if (sqlite3_open(fullpath, &(db_obj->db)) != SQLITE_OK) {
147#endif
148        zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "Unable to open database: %s", sqlite3_errmsg(db_obj->db));
149        if (fullpath) {
150            efree(fullpath);
151        }
152        return;
153    }
154
155#if SQLITE_HAS_CODEC
156    if (encryption_key_len > 0) {
157        if (sqlite3_key(db_obj->db, encryption_key, encryption_key_len) != SQLITE_OK) {
158            zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "Unable to open database: %s", sqlite3_errmsg(db_obj->db));
159            return;
160        }
161    }
162#endif
163
164    db_obj->initialised = 1;
165
166#if PHP_API_VERSION < 20100412
167    if (PG(safe_mode) || (PG(open_basedir) && *PG(open_basedir))) {
168#else
169    if (PG(open_basedir) && *PG(open_basedir)) {
170#endif
171        sqlite3_set_authorizer(db_obj->db, php_sqlite3_authorizer, NULL);
172    }
173
174    if (fullpath) {
175        efree(fullpath);
176    }
177}
178/* }}} */
179
180/* {{{ proto bool SQLite3::close()
181   Close a SQLite 3 Database. */
182PHP_METHOD(sqlite3, close)
183{
184    php_sqlite3_db_object *db_obj;
185    zval *object = getThis();
186    int errcode;
187    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
188
189    if (zend_parse_parameters_none() == FAILURE) {
190        return;
191    }
192
193    if (db_obj->initialised) {
194        zend_llist_clean(&(db_obj->free_list));
195        errcode = sqlite3_close(db_obj->db);
196        if (errcode != SQLITE_OK) {
197            php_sqlite3_error(db_obj, "Unable to close database: %d, %s", errcode, sqlite3_errmsg(db_obj->db));
198            RETURN_FALSE;
199        }
200        db_obj->initialised = 0;
201    }
202
203    RETURN_TRUE;
204}
205/* }}} */
206
207/* {{{ proto bool SQLite3::exec(String Query)
208   Executes a result-less query against a given database. */
209PHP_METHOD(sqlite3, exec)
210{
211    php_sqlite3_db_object *db_obj;
212    zval *object = getThis();
213    char *sql, *errtext = NULL;
214    int sql_len;
215    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
216
217    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
218
219    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &sql, &sql_len)) {
220        return;
221    }
222
223    if (sqlite3_exec(db_obj->db, sql, NULL, NULL, &errtext) != SQLITE_OK) {
224        php_sqlite3_error(db_obj, "%s", errtext);
225        sqlite3_free(errtext);
226        RETURN_FALSE;
227    }
228
229    RETURN_TRUE;
230}
231/* }}} */
232
233/* {{{ proto Array SQLite3::version()
234   Returns the SQLite3 Library version as a string constant and as a number. */
235PHP_METHOD(sqlite3, version)
236{
237    if (zend_parse_parameters_none() == FAILURE) {
238        return;
239    }
240
241    array_init(return_value);
242
243    add_assoc_string(return_value, "versionString", (char*)sqlite3_libversion(), 1);
244    add_assoc_long(return_value, "versionNumber", sqlite3_libversion_number());
245
246    return;
247}
248/* }}} */
249
250/* {{{ proto int SQLite3::lastInsertRowID()
251   Returns the rowid of the most recent INSERT into the database from the database connection. */
252PHP_METHOD(sqlite3, lastInsertRowID)
253{
254    php_sqlite3_db_object *db_obj;
255    zval *object = getThis();
256    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
257
258    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
259
260    if (zend_parse_parameters_none() == FAILURE) {
261        return;
262    }
263
264    RETURN_LONG(sqlite3_last_insert_rowid(db_obj->db));
265}
266/* }}} */
267
268/* {{{ proto int SQLite3::lastErrorCode()
269   Returns the numeric result code of the most recent failed sqlite API call for the database connection. */
270PHP_METHOD(sqlite3, lastErrorCode)
271{
272    php_sqlite3_db_object *db_obj;
273    zval *object = getThis();
274    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
275
276    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->db, SQLite3)
277
278    if (zend_parse_parameters_none() == FAILURE) {
279        return;
280    }
281
282    RETURN_LONG(sqlite3_errcode(db_obj->db));
283}
284/* }}} */
285
286/* {{{ proto string SQLite3::lastErrorMsg()
287   Returns english text describing the most recent failed sqlite API call for the database connection. */
288PHP_METHOD(sqlite3, lastErrorMsg)
289{
290    php_sqlite3_db_object *db_obj;
291    zval *object = getThis();
292    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
293
294    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->db, SQLite3)
295
296    if (zend_parse_parameters_none() == FAILURE) {
297        return;
298    }
299
300    RETVAL_STRING((char *)sqlite3_errmsg(db_obj->db), 1);
301}
302/* }}} */
303
304/* {{{ proto bool SQLite3::busyTimeout(int msecs)
305   Sets a busy handler that will sleep until database is not locked or timeout is reached. Passing a value less than or equal to zero turns off all busy handlers. */
306PHP_METHOD(sqlite3, busyTimeout)
307{
308    php_sqlite3_db_object *db_obj;
309    zval *object = getThis();
310    long ms;
311    int return_code;
312    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
313
314    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
315
316    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &ms)) {
317        return;
318    }
319
320    return_code = sqlite3_busy_timeout(db_obj->db, ms);
321    if (return_code != SQLITE_OK) {
322        php_sqlite3_error(db_obj, "Unable to set busy timeout: %d, %s", return_code, sqlite3_errmsg(db_obj->db));
323        RETURN_FALSE;
324    }
325
326    RETURN_TRUE;
327}
328/* }}} */
329
330
331#ifndef SQLITE_OMIT_LOAD_EXTENSION
332/* {{{ proto bool SQLite3::loadExtension(String Shared Library)
333   Attempts to load an SQLite extension library. */
334PHP_METHOD(sqlite3, loadExtension)
335{
336    php_sqlite3_db_object *db_obj;
337    zval *object = getThis();
338    char *extension, *lib_path, *extension_dir, *errtext = NULL;
339    char fullpath[MAXPATHLEN];
340    int extension_len, extension_dir_len;
341    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
342
343    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
344
345    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &extension, &extension_len)) {
346        return;
347    }
348
349#ifdef ZTS
350    if ((strncmp(sapi_module.name, "cgi", 3) != 0) &&
351        (strcmp(sapi_module.name, "cli") != 0) &&
352        (strncmp(sapi_module.name, "embed", 5) != 0)
353    ) {     php_sqlite3_error(db_obj, "Not supported in multithreaded Web servers");
354        RETURN_FALSE;
355    }
356#endif
357
358    if (!SQLITE3G(extension_dir)) {
359        php_sqlite3_error(db_obj, "SQLite Extension are disabled");
360        RETURN_FALSE;
361    }
362
363    if (extension_len == 0) {
364        php_sqlite3_error(db_obj, "Empty string as an extension");
365        RETURN_FALSE;
366    }
367
368    extension_dir = SQLITE3G(extension_dir);
369    extension_dir_len = strlen(SQLITE3G(extension_dir));
370
371    if (IS_SLASH(extension_dir[extension_dir_len-1])) {
372        spprintf(&lib_path, 0, "%s%s", extension_dir, extension);
373    } else {
374        spprintf(&lib_path, 0, "%s%c%s", extension_dir, DEFAULT_SLASH, extension);
375    }
376
377    if (!VCWD_REALPATH(lib_path, fullpath)) {
378        php_sqlite3_error(db_obj, "Unable to load extension at '%s'", lib_path);
379        efree(lib_path);
380        RETURN_FALSE;
381    }
382
383    efree(lib_path);
384
385    if (strncmp(fullpath, extension_dir, extension_dir_len) != 0) {
386        php_sqlite3_error(db_obj, "Unable to open extensions outside the defined directory");
387        RETURN_FALSE;
388    }
389
390    /* Extension loading should only be enabled for when we attempt to load */
391    sqlite3_enable_load_extension(db_obj->db, 1);
392    if (sqlite3_load_extension(db_obj->db, fullpath, 0, &errtext) != SQLITE_OK) {
393        php_sqlite3_error(db_obj, "%s", errtext);
394        sqlite3_free(errtext);
395        sqlite3_enable_load_extension(db_obj->db, 0);
396        RETURN_FALSE;
397    }
398    sqlite3_enable_load_extension(db_obj->db, 0);
399
400    RETURN_TRUE;
401}
402/* }}} */
403#endif
404
405/* {{{ proto int SQLite3::changes()
406  Returns the number of database rows that were changed (or inserted or deleted) by the most recent SQL statement. */
407PHP_METHOD(sqlite3, changes)
408{
409    php_sqlite3_db_object *db_obj;
410    zval *object = getThis();
411    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
412
413    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
414
415    if (zend_parse_parameters_none() == FAILURE) {
416        return;
417    }
418
419    RETURN_LONG(sqlite3_changes(db_obj->db));
420}
421/* }}} */
422
423/* {{{ proto String SQLite3::escapeString(String value)
424   Returns a string that has been properly escaped. */
425PHP_METHOD(sqlite3, escapeString)
426{
427    char *sql, *ret;
428    int sql_len;
429
430    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &sql, &sql_len)) {
431        return;
432    }
433
434    if (sql_len) {
435        ret = sqlite3_mprintf("%q", sql);
436        if (ret) {
437            RETVAL_STRING(ret, 1);
438            sqlite3_free(ret);
439        }
440    } else {
441        RETURN_EMPTY_STRING();
442    }
443}
444/* }}} */
445
446/* {{{ proto SQLite3Stmt SQLite3::prepare(String Query)
447   Returns a prepared SQL statement for execution. */
448PHP_METHOD(sqlite3, prepare)
449{
450    php_sqlite3_db_object *db_obj;
451    php_sqlite3_stmt *stmt_obj;
452    zval *object = getThis();
453    char *sql;
454    int sql_len, errcode;
455    php_sqlite3_free_list *free_item;
456
457    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
458
459    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
460
461    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &sql, &sql_len)) {
462        return;
463    }
464
465    if (!sql_len) {
466        RETURN_FALSE;
467    }
468
469    object_init_ex(return_value, php_sqlite3_stmt_entry);
470    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(return_value TSRMLS_CC);
471    stmt_obj->db_obj = db_obj;
472    stmt_obj->db_obj_zval = getThis();
473
474    Z_ADDREF_P(object);
475
476    errcode = sqlite3_prepare_v2(db_obj->db, sql, sql_len, &(stmt_obj->stmt), NULL);
477    if (errcode != SQLITE_OK) {
478        php_sqlite3_error(db_obj, "Unable to prepare statement: %d, %s", errcode, sqlite3_errmsg(db_obj->db));
479        zval_dtor(return_value);
480        RETURN_FALSE;
481    }
482
483    stmt_obj->initialised = 1;
484
485    free_item = emalloc(sizeof(php_sqlite3_free_list));
486    free_item->stmt_obj = stmt_obj;
487    free_item->stmt_obj_zval = return_value;
488
489    zend_llist_add_element(&(db_obj->free_list), &free_item);
490}
491/* }}} */
492
493/* {{{ proto SQLite3Result SQLite3::query(String Query)
494   Returns true or false, for queries that return data it will return a SQLite3Result object. */
495PHP_METHOD(sqlite3, query)
496{
497    php_sqlite3_db_object *db_obj;
498    php_sqlite3_result *result;
499    php_sqlite3_stmt *stmt_obj;
500    zval *object = getThis();
501    zval *stmt = NULL;
502    char *sql, *errtext = NULL;
503    int sql_len, return_code;
504    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
505
506    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
507
508    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &sql, &sql_len)) {
509        return;
510    }
511
512    if (!sql_len) {
513        RETURN_FALSE;
514    }
515
516    /* If there was no return value then just execute the query */
517    if (!return_value_used) {
518        if (sqlite3_exec(db_obj->db, sql, NULL, NULL, &errtext) != SQLITE_OK) {
519            php_sqlite3_error(db_obj, "%s", errtext);
520            sqlite3_free(errtext);
521        }
522        return;
523    }
524
525    MAKE_STD_ZVAL(stmt);
526
527    object_init_ex(stmt, php_sqlite3_stmt_entry);
528    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(stmt TSRMLS_CC);
529    stmt_obj->db_obj = db_obj;
530    stmt_obj->db_obj_zval = getThis();
531
532    Z_ADDREF_P(object);
533
534    return_code = sqlite3_prepare_v2(db_obj->db, sql, sql_len, &(stmt_obj->stmt), NULL);
535    if (return_code != SQLITE_OK) {
536        php_sqlite3_error(db_obj, "Unable to prepare statement: %d, %s", return_code, sqlite3_errmsg(db_obj->db));
537        zval_ptr_dtor(&stmt);
538        RETURN_FALSE;
539    }
540
541    stmt_obj->initialised = 1;
542
543    object_init_ex(return_value, php_sqlite3_result_entry);
544    result = (php_sqlite3_result *)zend_object_store_get_object(return_value TSRMLS_CC);
545    result->db_obj = db_obj;
546    result->stmt_obj = stmt_obj;
547    result->stmt_obj_zval = stmt;
548
549    return_code = sqlite3_step(result->stmt_obj->stmt);
550
551    switch (return_code) {
552        case SQLITE_ROW: /* Valid Row */
553        case SQLITE_DONE: /* Valid but no results */
554        {
555            php_sqlite3_free_list *free_item;
556            free_item = emalloc(sizeof(php_sqlite3_free_list));
557            free_item->stmt_obj = stmt_obj;
558            free_item->stmt_obj_zval = stmt;
559            zend_llist_add_element(&(db_obj->free_list), &free_item);
560            sqlite3_reset(result->stmt_obj->stmt);
561            break;
562        }
563        default:
564            php_sqlite3_error(db_obj, "Unable to execute statement: %s", sqlite3_errmsg(db_obj->db));
565            sqlite3_finalize(stmt_obj->stmt);
566            stmt_obj->initialised = 0;
567            zval_dtor(return_value);
568            RETURN_FALSE;
569    }
570}
571/* }}} */
572
573static zval* sqlite_value_to_zval(sqlite3_stmt *stmt, int column) /* {{{ */
574{
575    zval *data;
576    MAKE_STD_ZVAL(data);
577    switch (sqlite3_column_type(stmt, column)) {
578        case SQLITE_INTEGER:
579            if ((sqlite3_column_int64(stmt, column)) >= INT_MAX || sqlite3_column_int64(stmt, column) <= INT_MIN) {
580                ZVAL_STRINGL(data, (char *)sqlite3_column_text(stmt, column), sqlite3_column_bytes(stmt, column), 1);
581            } else {
582                ZVAL_LONG(data, sqlite3_column_int64(stmt, column));
583            }
584            break;
585
586        case SQLITE_FLOAT:
587            ZVAL_DOUBLE(data, sqlite3_column_double(stmt, column));
588            break;
589
590        case SQLITE_NULL:
591            ZVAL_NULL(data);
592            break;
593
594        case SQLITE3_TEXT:
595            ZVAL_STRING(data, (char*)sqlite3_column_text(stmt, column), 1);
596            break;
597
598        case SQLITE_BLOB:
599        default:
600            ZVAL_STRINGL(data, (char*)sqlite3_column_blob(stmt, column), sqlite3_column_bytes(stmt, column), 1);
601    }
602    return data;
603}
604/* }}} */
605
606/* {{{ proto SQLite3Result SQLite3::querySingle(String Query [, bool entire_row = false])
607   Returns a string of the first column, or an array of the entire row. */
608PHP_METHOD(sqlite3, querySingle)
609{
610    php_sqlite3_db_object *db_obj;
611    zval *object = getThis();
612    char *sql, *errtext = NULL;
613    int sql_len, return_code;
614    zend_bool entire_row = 0;
615    sqlite3_stmt *stmt;
616    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
617
618    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
619
620    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &sql, &sql_len, &entire_row)) {
621        return;
622    }
623
624    if (!sql_len) {
625        RETURN_FALSE;
626    }
627
628    /* If there was no return value then just execute the query */
629    if (!return_value_used) {
630        if (sqlite3_exec(db_obj->db, sql, NULL, NULL, &errtext) != SQLITE_OK) {
631            php_sqlite3_error(db_obj, "%s", errtext);
632            sqlite3_free(errtext);
633        }
634        return;
635    }
636
637    return_code = sqlite3_prepare_v2(db_obj->db, sql, sql_len, &stmt, NULL);
638    if (return_code != SQLITE_OK) {
639        php_sqlite3_error(db_obj, "Unable to prepare statement: %d, %s", return_code, sqlite3_errmsg(db_obj->db));
640        RETURN_FALSE;
641    }
642
643    return_code = sqlite3_step(stmt);
644
645    switch (return_code) {
646        case SQLITE_ROW: /* Valid Row */
647        {
648            if (!entire_row) {
649                zval *data;
650                data = sqlite_value_to_zval(stmt, 0);
651                *return_value = *data;
652                zval_copy_ctor(return_value);
653                zval_dtor(data);
654                FREE_ZVAL(data);
655            } else {
656                int i = 0;
657                array_init(return_value);
658                for (i = 0; i < sqlite3_data_count(stmt); i++) {
659                    zval *data;
660                    data = sqlite_value_to_zval(stmt, i);
661                    add_assoc_zval(return_value, (char*)sqlite3_column_name(stmt, i), data);
662                }
663            }
664            break;
665        }
666        case SQLITE_DONE: /* Valid but no results */
667        {
668            if (!entire_row) {
669                RETVAL_NULL();
670            } else {
671                array_init(return_value);
672            }
673            break;
674        }
675        default:
676            php_sqlite3_error(db_obj, "Unable to execute statement: %s", sqlite3_errmsg(db_obj->db));
677            RETVAL_FALSE;
678    }
679    sqlite3_finalize(stmt);
680}
681/* }}} */
682
683static int sqlite3_do_callback(struct php_sqlite3_fci *fc, zval *cb, int argc, sqlite3_value **argv, sqlite3_context *context, int is_agg TSRMLS_DC) /* {{{ */
684{
685    zval ***zargs = NULL;
686    zval *retval = NULL;
687    int i;
688    int ret;
689    int fake_argc;
690    php_sqlite3_agg_context *agg_context = NULL;
691
692    if (is_agg) {
693        is_agg = 2;
694    }
695
696    fake_argc = argc + is_agg;
697
698    fc->fci.size = sizeof(fc->fci);
699    fc->fci.function_table = EG(function_table);
700    fc->fci.function_name = cb;
701    fc->fci.symbol_table = NULL;
702    fc->fci.object_ptr = NULL;
703    fc->fci.retval_ptr_ptr = &retval;
704    fc->fci.param_count = fake_argc;
705
706    /* build up the params */
707
708    if (fake_argc) {
709        zargs = (zval ***)safe_emalloc(fake_argc, sizeof(zval **), 0);
710    }
711
712    if (is_agg) {
713        /* summon the aggregation context */
714        agg_context = (php_sqlite3_agg_context *)sqlite3_aggregate_context(context, sizeof(php_sqlite3_agg_context));
715
716        if (!agg_context->zval_context) {
717            MAKE_STD_ZVAL(agg_context->zval_context);
718            ZVAL_NULL(agg_context->zval_context);
719        }
720        zargs[0] = &agg_context->zval_context;
721
722        zargs[1] = emalloc(sizeof(zval*));
723        MAKE_STD_ZVAL(*zargs[1]);
724        ZVAL_LONG(*zargs[1], agg_context->row_count);
725    }
726
727    for (i = 0; i < argc; i++) {
728        zargs[i + is_agg] = emalloc(sizeof(zval *));
729        MAKE_STD_ZVAL(*zargs[i + is_agg]);
730
731        switch (sqlite3_value_type(argv[i])) {
732            case SQLITE_INTEGER:
733                ZVAL_LONG(*zargs[i + is_agg], sqlite3_value_int(argv[i]));
734                break;
735
736            case SQLITE_FLOAT:
737                ZVAL_DOUBLE(*zargs[i + is_agg], sqlite3_value_double(argv[i]));
738                break;
739
740            case SQLITE_NULL:
741                ZVAL_NULL(*zargs[i + is_agg]);
742                break;
743
744            case SQLITE_BLOB:
745            case SQLITE3_TEXT:
746            default:
747                ZVAL_STRINGL(*zargs[i + is_agg], (char*)sqlite3_value_text(argv[i]), sqlite3_value_bytes(argv[i]), 1);
748                break;
749        }
750    }
751
752    fc->fci.params = zargs;
753
754    if ((ret = zend_call_function(&fc->fci, &fc->fcc TSRMLS_CC)) == FAILURE) {
755        php_error_docref(NULL TSRMLS_CC, E_WARNING, "An error occurred while invoking the callback");
756    }
757
758    /* clean up the params */
759    if (fake_argc) {
760        for (i = is_agg; i < argc + is_agg; i++) {
761            zval_ptr_dtor(zargs[i]);
762            efree(zargs[i]);
763        }
764        if (is_agg) {
765            zval_ptr_dtor(zargs[1]);
766            efree(zargs[1]);
767        }
768        efree(zargs);
769    }
770
771    if (!is_agg || !argv) {
772        /* only set the sqlite return value if we are a scalar function,
773         * or if we are finalizing an aggregate */
774        if (retval) {
775            switch (Z_TYPE_P(retval)) {
776                case IS_LONG:
777                    sqlite3_result_int(context, Z_LVAL_P(retval));
778                    break;
779
780                case IS_NULL:
781                    sqlite3_result_null(context);
782                    break;
783
784                case IS_DOUBLE:
785                    sqlite3_result_double(context, Z_DVAL_P(retval));
786                    break;
787
788                default:
789                    convert_to_string_ex(&retval);
790                    sqlite3_result_text(context, Z_STRVAL_P(retval), Z_STRLEN_P(retval), SQLITE_TRANSIENT);
791                    break;
792            }
793        } else {
794            sqlite3_result_error(context, "failed to invoke callback", 0);
795        }
796
797        if (agg_context && agg_context->zval_context) {
798            zval_ptr_dtor(&agg_context->zval_context);
799        }
800    } else {
801        /* we're stepping in an aggregate; the return value goes into
802         * the context */
803        if (agg_context && agg_context->zval_context) {
804            zval_ptr_dtor(&agg_context->zval_context);
805        }
806        if (retval) {
807            agg_context->zval_context = retval;
808            retval = NULL;
809        } else {
810            agg_context->zval_context = NULL;
811        }
812    }
813
814    if (retval) {
815        zval_ptr_dtor(&retval);
816    }
817    return ret;
818}
819/* }}}*/
820
821static void php_sqlite3_callback_func(sqlite3_context *context, int argc, sqlite3_value **argv) /* {{{ */
822{
823    php_sqlite3_func *func = (php_sqlite3_func *)sqlite3_user_data(context);
824    TSRMLS_FETCH();
825
826    sqlite3_do_callback(&func->afunc, func->func, argc, argv, context, 0 TSRMLS_CC);
827}
828/* }}}*/
829
830static void php_sqlite3_callback_step(sqlite3_context *context, int argc, sqlite3_value **argv) /* {{{ */
831{
832    php_sqlite3_func *func = (php_sqlite3_func *)sqlite3_user_data(context);
833    php_sqlite3_agg_context *agg_context = (php_sqlite3_agg_context *)sqlite3_aggregate_context(context, sizeof(php_sqlite3_agg_context));
834
835    TSRMLS_FETCH();
836    agg_context->row_count++;
837
838    sqlite3_do_callback(&func->astep, func->step, argc, argv, context, 1 TSRMLS_CC);
839}
840/* }}} */
841
842static void php_sqlite3_callback_final(sqlite3_context *context) /* {{{ */
843{
844    php_sqlite3_func *func = (php_sqlite3_func *)sqlite3_user_data(context);
845    php_sqlite3_agg_context *agg_context = (php_sqlite3_agg_context *)sqlite3_aggregate_context(context, sizeof(php_sqlite3_agg_context));
846
847    TSRMLS_FETCH();
848    agg_context->row_count = 0;
849
850    sqlite3_do_callback(&func->afini, func->fini, 0, NULL, context, 1 TSRMLS_CC);
851}
852/* }}} */
853
854static int php_sqlite3_callback_compare(void *coll, int a_len, const void *a, int b_len, const void* b) /* {{{ */
855{
856    php_sqlite3_collation *collation = (php_sqlite3_collation*)coll;
857    zval ***zargs = NULL;
858    zval *retval = NULL;
859    int ret;
860
861    TSRMLS_FETCH();
862
863    collation->fci.fci.size = (sizeof(collation->fci.fci));
864    collation->fci.fci.function_table = EG(function_table);
865    collation->fci.fci.function_name = collation->cmp_func;
866    collation->fci.fci.symbol_table = NULL;
867    collation->fci.fci.object_ptr = NULL;
868    collation->fci.fci.retval_ptr_ptr = &retval;
869    collation->fci.fci.param_count = 2;
870
871    zargs = (zval***)safe_emalloc(2, sizeof(zval**), 0);
872    zargs[0] = emalloc(sizeof(zval*));
873    zargs[1] = emalloc(sizeof(zval*));
874
875    MAKE_STD_ZVAL(*zargs[0]);
876    ZVAL_STRINGL(*zargs[0], a, a_len, 1);
877
878    MAKE_STD_ZVAL(*zargs[1]);
879    ZVAL_STRINGL(*zargs[1], b, b_len, 1);
880
881    collation->fci.fci.params = zargs;
882
883    if ((ret = zend_call_function(&collation->fci.fci, &collation->fci.fcc TSRMLS_CC)) == FAILURE) {
884        php_error_docref(NULL TSRMLS_CC, E_WARNING, "An error occurred while invoking the compare callback");
885    }
886
887    zval_ptr_dtor(zargs[0]);
888    zval_ptr_dtor(zargs[1]);
889    efree(zargs[0]);
890    efree(zargs[1]);
891    efree(zargs);
892
893    //retval ought to contain a ZVAL_LONG by now
894    // (the result of a comparison, i.e. most likely -1, 0, or 1)
895    //I suppose we could accept any scalar return type, though.
896    if (Z_TYPE_P(retval) != IS_LONG){
897        php_error_docref(NULL TSRMLS_CC, E_WARNING, "An error occurred while invoking the compare callback (invalid return type).  Collation behaviour is undefined.");
898    }else{
899        ret = Z_LVAL_P(retval);
900    }
901
902    zval_ptr_dtor(&retval);
903
904    return ret;
905}
906/* }}} */
907
908/* {{{ proto bool SQLite3::createFunction(string name, mixed callback [, int argcount])
909   Allows registration of a PHP function as a SQLite UDF that can be called within SQL statements. */
910PHP_METHOD(sqlite3, createFunction)
911{
912    php_sqlite3_db_object *db_obj;
913    zval *object = getThis();
914    php_sqlite3_func *func;
915    char *sql_func, *callback_name;
916    int sql_func_len;
917    zval *callback_func;
918    long sql_func_num_args = -1;
919    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
920
921    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
922
923    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|l", &sql_func, &sql_func_len, &callback_func, &sql_func_num_args) == FAILURE) {
924        return;
925    }
926
927    if (!sql_func_len) {
928        RETURN_FALSE;
929    }
930
931    if (!zend_is_callable(callback_func, 0, &callback_name TSRMLS_CC)) {
932        php_sqlite3_error(db_obj, "Not a valid callback function %s", callback_name);
933        efree(callback_name);
934        RETURN_FALSE;
935    }
936    efree(callback_name);
937
938    func = (php_sqlite3_func *)ecalloc(1, sizeof(*func));
939
940    if (sqlite3_create_function(db_obj->db, sql_func, sql_func_num_args, SQLITE_UTF8, func, php_sqlite3_callback_func, NULL, NULL) == SQLITE_OK) {
941        func->func_name = estrdup(sql_func);
942
943        MAKE_STD_ZVAL(func->func);
944        MAKE_COPY_ZVAL(&callback_func, func->func);
945
946        func->argc = sql_func_num_args;
947        func->next = db_obj->funcs;
948        db_obj->funcs = func;
949
950        RETURN_TRUE;
951    }
952    efree(func);
953
954    RETURN_FALSE;
955}
956/* }}} */
957
958/* {{{ proto bool SQLite3::createAggregate(string name, mixed step, mixed final [, int argcount])
959   Allows registration of a PHP function for use as an aggregate. */
960PHP_METHOD(sqlite3, createAggregate)
961{
962    php_sqlite3_db_object *db_obj;
963    zval *object = getThis();
964    php_sqlite3_func *func;
965    char *sql_func, *callback_name;
966    int sql_func_len;
967    zval *step_callback, *fini_callback;
968    long sql_func_num_args = -1;
969    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
970
971    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
972
973    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "szz|l", &sql_func, &sql_func_len, &step_callback, &fini_callback, &sql_func_num_args) == FAILURE) {
974        return;
975    }
976
977    if (!sql_func_len) {
978        RETURN_FALSE;
979    }
980
981    if (!zend_is_callable(step_callback, 0, &callback_name TSRMLS_CC)) {
982        php_sqlite3_error(db_obj, "Not a valid callback function %s", callback_name);
983        efree(callback_name);
984        RETURN_FALSE;
985    }
986    efree(callback_name);
987
988    if (!zend_is_callable(fini_callback, 0, &callback_name TSRMLS_CC)) {
989        php_sqlite3_error(db_obj, "Not a valid callback function %s", callback_name);
990        efree(callback_name);
991        RETURN_FALSE;
992    }
993    efree(callback_name);
994
995    func = (php_sqlite3_func *)ecalloc(1, sizeof(*func));
996
997    if (sqlite3_create_function(db_obj->db, sql_func, sql_func_num_args, SQLITE_UTF8, func, NULL, php_sqlite3_callback_step, php_sqlite3_callback_final) == SQLITE_OK) {
998        func->func_name = estrdup(sql_func);
999
1000        MAKE_STD_ZVAL(func->step);
1001        MAKE_COPY_ZVAL(&step_callback, func->step);
1002
1003        MAKE_STD_ZVAL(func->fini);
1004        MAKE_COPY_ZVAL(&fini_callback, func->fini);
1005
1006        func->argc = sql_func_num_args;
1007        func->next = db_obj->funcs;
1008        db_obj->funcs = func;
1009
1010        RETURN_TRUE;
1011    }
1012    efree(func);
1013
1014    RETURN_FALSE;
1015}
1016/* }}} */
1017
1018/* {{{ proto bool SQLite3::createCollation(string name, mixed callback)
1019   Registers a PHP function as a comparator that can be used with the SQL COLLATE operator. Callback must accept two strings and return an integer (as strcmp()). */
1020PHP_METHOD(sqlite3, createCollation)
1021{
1022    php_sqlite3_db_object *db_obj;
1023    zval *object = getThis();
1024    php_sqlite3_collation *collation;
1025    char *collation_name, *callback_name;
1026    int collation_name_len;
1027    zval *callback_func;
1028    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
1029
1030    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
1031
1032    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz", &collation_name, &collation_name_len, &callback_func) == FAILURE) {
1033        RETURN_FALSE;
1034    }
1035
1036    if (!collation_name_len) {
1037        RETURN_FALSE;
1038    }
1039
1040    if (!zend_is_callable(callback_func, 0, &callback_name TSRMLS_CC)) {
1041        php_sqlite3_error(db_obj, "Not a valid callback function %s", callback_name);
1042        efree(callback_name);
1043        RETURN_FALSE;
1044    }
1045    efree(callback_name);
1046
1047    collation = (php_sqlite3_collation *)ecalloc(1, sizeof(*collation));
1048    if (sqlite3_create_collation(db_obj->db, collation_name, SQLITE_UTF8, collation, php_sqlite3_callback_compare) == SQLITE_OK) {
1049        collation->collation_name = estrdup(collation_name);
1050
1051        MAKE_STD_ZVAL(collation->cmp_func);
1052        MAKE_COPY_ZVAL(&callback_func, collation->cmp_func);
1053
1054        collation->next = db_obj->collations;
1055        db_obj->collations = collation;
1056
1057        RETURN_TRUE;
1058    }
1059    efree(collation);
1060
1061    RETURN_FALSE;
1062}
1063/* }}} */
1064
1065typedef struct {
1066    sqlite3_blob *blob;
1067    size_t       position;
1068    size_t       size;
1069} php_stream_sqlite3_data;
1070
1071static size_t php_sqlite3_stream_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
1072{
1073/*  php_stream_sqlite3_data *sqlite3_stream = (php_stream_sqlite3_data *) stream->abstract; */
1074
1075    return 0;
1076}
1077
1078static size_t php_sqlite3_stream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
1079{
1080    php_stream_sqlite3_data *sqlite3_stream = (php_stream_sqlite3_data *) stream->abstract;
1081
1082    if (sqlite3_stream->position + count >= sqlite3_stream->size) {
1083        count = sqlite3_stream->size - sqlite3_stream->position;
1084        stream->eof = 1;
1085    }
1086    if (count) {
1087        if (sqlite3_blob_read(sqlite3_stream->blob, buf, count, sqlite3_stream->position) != SQLITE_OK) {
1088            return 0;
1089        }
1090        sqlite3_stream->position += count;
1091    }
1092    return count;
1093}
1094
1095static int php_sqlite3_stream_close(php_stream *stream, int close_handle TSRMLS_DC)
1096{
1097    php_stream_sqlite3_data *sqlite3_stream = (php_stream_sqlite3_data *) stream->abstract;
1098
1099    if (sqlite3_blob_close(sqlite3_stream->blob) != SQLITE_OK) {
1100        /* Error occured, but it still closed */
1101    }
1102
1103    efree(sqlite3_stream);
1104
1105    return 0;
1106}
1107
1108static int php_sqlite3_stream_flush(php_stream *stream TSRMLS_DC)
1109{
1110    /* do nothing */
1111    return 0;
1112}
1113
1114/* {{{ */
1115static int php_sqlite3_stream_seek(php_stream *stream, off_t offset, int whence, off_t *newoffs TSRMLS_DC)
1116{
1117    php_stream_sqlite3_data *sqlite3_stream = (php_stream_sqlite3_data *) stream->abstract;
1118
1119    switch(whence) {
1120        case SEEK_CUR:
1121            if (offset < 0) {
1122                if (sqlite3_stream->position < (size_t)(-offset)) {
1123                    sqlite3_stream->position = 0;
1124                    *newoffs = -1;
1125                    return -1;
1126                } else {
1127                    sqlite3_stream->position = sqlite3_stream->position + offset;
1128                    *newoffs = sqlite3_stream->position;
1129                    stream->eof = 0;
1130                    return 0;
1131                }
1132            } else {
1133                if (sqlite3_stream->position + (size_t)(offset) > sqlite3_stream->size) {
1134                    sqlite3_stream->position = sqlite3_stream->size;
1135                    *newoffs = -1;
1136                    return -1;
1137                } else {
1138                    sqlite3_stream->position = sqlite3_stream->position + offset;
1139                    *newoffs = sqlite3_stream->position;
1140                    stream->eof = 0;
1141                    return 0;
1142                }
1143            }
1144        case SEEK_SET:
1145            if (sqlite3_stream->size < (size_t)(offset)) {
1146                sqlite3_stream->position = sqlite3_stream->size;
1147                *newoffs = -1;
1148                return -1;
1149            } else {
1150                sqlite3_stream->position = offset;
1151                *newoffs = sqlite3_stream->position;
1152                stream->eof = 0;
1153                return 0;
1154            }
1155        case SEEK_END:
1156            if (offset > 0) {
1157                sqlite3_stream->position = sqlite3_stream->size;
1158                *newoffs = -1;
1159                return -1;
1160            } else if (sqlite3_stream->size < (size_t)(-offset)) {
1161                sqlite3_stream->position = 0;
1162                *newoffs = -1;
1163                return -1;
1164            } else {
1165                sqlite3_stream->position = sqlite3_stream->size + offset;
1166                *newoffs = sqlite3_stream->position;
1167                stream->eof = 0;
1168                return 0;
1169            }
1170        default:
1171            *newoffs = sqlite3_stream->position;
1172            return -1;
1173    }
1174}
1175/* }}} */
1176
1177
1178static int php_sqlite3_stream_cast(php_stream *stream, int castas, void **ret TSRMLS_DC)
1179{
1180    return FAILURE;
1181}
1182
1183static int php_sqlite3_stream_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC)
1184{
1185    php_stream_sqlite3_data *sqlite3_stream = (php_stream_sqlite3_data *) stream->abstract;
1186    ssb->sb.st_size = sqlite3_stream->size;
1187    return 0;
1188}
1189
1190static php_stream_ops php_stream_sqlite3_ops = {
1191    php_sqlite3_stream_write,
1192    php_sqlite3_stream_read,
1193    php_sqlite3_stream_close,
1194    php_sqlite3_stream_flush,
1195    "SQLite3",
1196    php_sqlite3_stream_seek,
1197    php_sqlite3_stream_cast,
1198    php_sqlite3_stream_stat
1199};
1200
1201/* {{{ proto resource SQLite3::openBlob(string table, string column, int rowid [, string dbname])
1202   Open a blob as a stream which we can read / write to. */
1203PHP_METHOD(sqlite3, openBlob)
1204{
1205    php_sqlite3_db_object *db_obj;
1206    zval *object = getThis();
1207    char *table, *column, *dbname = "main";
1208    int table_len, column_len, dbname_len;
1209    long rowid, flags = 0;
1210    sqlite3_blob *blob = NULL;
1211    php_stream_sqlite3_data *sqlite3_stream;
1212    php_stream *stream;
1213
1214    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
1215
1216    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
1217
1218    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssl|s", &table, &table_len, &column, &column_len, &rowid, &dbname, &dbname_len) == FAILURE) {
1219        return;
1220    }
1221
1222    if (sqlite3_blob_open(db_obj->db, dbname, table, column, rowid, flags, &blob) != SQLITE_OK) {
1223        php_sqlite3_error(db_obj, "Unable to open blob: %s", sqlite3_errmsg(db_obj->db));
1224        RETURN_FALSE;
1225    }
1226
1227    sqlite3_stream = emalloc(sizeof(php_stream_sqlite3_data));
1228    sqlite3_stream->blob = blob;
1229    sqlite3_stream->position = 0;
1230    sqlite3_stream->size = sqlite3_blob_bytes(blob);
1231
1232    stream = php_stream_alloc(&php_stream_sqlite3_ops, sqlite3_stream, 0, "rb");
1233
1234    if (stream) {
1235        php_stream_to_zval(stream, return_value);
1236    } else {
1237        RETURN_FALSE;
1238    }
1239}
1240/* }}} */
1241
1242/* {{{ proto bool SQLite3::enableExceptions([bool enableExceptions = false])
1243   Enables an exception error mode. */
1244PHP_METHOD(sqlite3, enableExceptions)
1245{
1246    php_sqlite3_db_object *db_obj;
1247    zval *object = getThis();
1248    zend_bool enableExceptions = 0;
1249
1250    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(object TSRMLS_CC);
1251
1252    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &enableExceptions) == FAILURE) {
1253        return;
1254    }
1255
1256    RETVAL_BOOL(db_obj->exception);
1257
1258    db_obj->exception = enableExceptions;
1259}
1260/* }}} */
1261
1262/* {{{ proto int SQLite3Stmt::paramCount()
1263   Returns the number of parameters within the prepared statement. */
1264PHP_METHOD(sqlite3stmt, paramCount)
1265{
1266    php_sqlite3_stmt *stmt_obj;
1267    zval *object = getThis();
1268    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1269
1270    if (zend_parse_parameters_none() == FAILURE) {
1271        return;
1272    }
1273
1274    RETURN_LONG(sqlite3_bind_parameter_count(stmt_obj->stmt));
1275}
1276/* }}} */
1277
1278/* {{{ proto bool SQLite3Stmt::close()
1279   Closes the prepared statement. */
1280PHP_METHOD(sqlite3stmt, close)
1281{
1282    php_sqlite3_stmt *stmt_obj;
1283    zval *object = getThis();
1284    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1285
1286    if (zend_parse_parameters_none() == FAILURE) {
1287        return;
1288    }
1289
1290    zend_llist_del_element(&(stmt_obj->db_obj->free_list), object, (int (*)(void *, void *)) php_sqlite3_compare_stmt_zval_free);
1291
1292    RETURN_TRUE;
1293}
1294/* }}} */
1295
1296/* {{{ proto bool SQLite3Stmt::reset()
1297   Reset the prepared statement to the state before it was executed, bindings still remain. */
1298PHP_METHOD(sqlite3stmt, reset)
1299{
1300    php_sqlite3_stmt *stmt_obj;
1301    zval *object = getThis();
1302    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1303
1304    if (zend_parse_parameters_none() == FAILURE) {
1305        return;
1306    }
1307
1308    if (sqlite3_reset(stmt_obj->stmt) != SQLITE_OK) {
1309        php_sqlite3_error(stmt_obj->db_obj, "Unable to reset statement: %s", sqlite3_errmsg(sqlite3_db_handle(stmt_obj->stmt)));
1310        RETURN_FALSE;
1311    }
1312    RETURN_TRUE;
1313}
1314/* }}} */
1315
1316/* {{{ proto bool SQLite3Stmt::clear()
1317   Clear all current bound parameters. */
1318PHP_METHOD(sqlite3stmt, clear)
1319{
1320    php_sqlite3_stmt *stmt_obj;
1321    zval *object = getThis();
1322    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1323
1324    if (zend_parse_parameters_none() == FAILURE) {
1325        return;
1326    }
1327
1328    if (sqlite3_clear_bindings(stmt_obj->stmt) != SQLITE_OK) {
1329        php_sqlite3_error(stmt_obj->db_obj, "Unable to clear statement: %s", sqlite3_errmsg(sqlite3_db_handle(stmt_obj->stmt)));
1330        RETURN_FALSE;
1331    }
1332
1333    RETURN_TRUE;
1334}
1335/* }}} */
1336
1337/* {{{ proto bool SQLite3Stmt::readOnly()
1338   Returns true if a statement is definitely read only */
1339PHP_METHOD(sqlite3stmt, readOnly)
1340{
1341    php_sqlite3_stmt *stmt_obj;
1342    zval *object = getThis();
1343    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1344
1345    if (zend_parse_parameters_none() == FAILURE) {
1346        return;
1347    }
1348
1349#if SQLITE_VERSION_NUMBER >= 3007004
1350    if (sqlite3_stmt_readonly(stmt_obj->stmt)) {
1351        RETURN_TRUE;
1352    }
1353#endif
1354    RETURN_FALSE;
1355}
1356/* }}} */
1357
1358static int register_bound_parameter_to_sqlite(struct php_sqlite3_bound_param *param, php_sqlite3_stmt *stmt TSRMLS_DC) /* {{{ */
1359{
1360    HashTable *hash;
1361    hash = stmt->bound_params;
1362
1363    if (!hash) {
1364        ALLOC_HASHTABLE(hash);
1365        zend_hash_init(hash, 13, NULL, sqlite3_param_dtor, 0);
1366        stmt->bound_params = hash;
1367    }
1368
1369    /* We need a : prefix to resolve a name to a parameter number */
1370    if (param->name) {
1371        if (param->name[0] != ':') {
1372            /* pre-increment for character + 1 for null */
1373            char *temp = emalloc(++param->name_len + 1);
1374            temp[0] = ':';
1375            memmove(temp+1, param->name, param->name_len);
1376            param->name = temp;
1377        } else {
1378            param->name = estrndup(param->name, param->name_len);
1379        }
1380        /* do lookup*/
1381        param->param_number = sqlite3_bind_parameter_index(stmt->stmt, param->name);
1382    }
1383
1384    if (param->param_number < 1) {
1385        efree(param->name);
1386        return 0;
1387    }
1388
1389    if (param->param_number >= 1) {
1390        zend_hash_index_del(hash, param->param_number);
1391    }
1392
1393    if (param->name) {
1394        zend_hash_update(hash, param->name, param->name_len, param, sizeof(*param), NULL);
1395    } else {
1396        zend_hash_index_update(hash, param->param_number, param, sizeof(*param), NULL);
1397    }
1398
1399    return 1;
1400}
1401/* }}} */
1402
1403/* {{{ proto bool SQLite3Stmt::bindParam(int parameter_number, mixed parameter [, int type])
1404   Bind Paramater to a stmt variable. */
1405PHP_METHOD(sqlite3stmt, bindParam)
1406{
1407    php_sqlite3_stmt *stmt_obj;
1408    zval *object = getThis();
1409    struct php_sqlite3_bound_param param = {0};
1410    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1411
1412    param.param_number = -1;
1413    param.type = SQLITE3_TEXT;
1414
1415    if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "lz|l", &param.param_number, &param.parameter, &param.type) == FAILURE) {
1416        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|l", &param.name, &param.name_len, &param.parameter, &param.type) == FAILURE) {
1417            return;
1418        }
1419    }
1420
1421    Z_ADDREF_P(param.parameter);
1422
1423    if (!register_bound_parameter_to_sqlite(&param, stmt_obj TSRMLS_CC)) {
1424        if (param.parameter) {
1425            zval_ptr_dtor(&(param.parameter));
1426            param.parameter = NULL;
1427        }
1428        RETURN_FALSE;
1429    }
1430    RETURN_TRUE;
1431}
1432/* }}} */
1433
1434/* {{{ proto bool SQLite3Stmt::bindValue(int parameter_number, mixed parameter [, int type])
1435   Bind Value of a parameter to a stmt variable. */
1436PHP_METHOD(sqlite3stmt, bindValue)
1437{
1438    php_sqlite3_stmt *stmt_obj;
1439    zval *object = getThis();
1440    struct php_sqlite3_bound_param param = {0};
1441    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1442
1443    param.param_number = -1;
1444    param.type = SQLITE3_TEXT;
1445
1446    if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "lz/|l", &param.param_number, &param.parameter, &param.type) == FAILURE) {
1447        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz/|l", &param.name, &param.name_len, &param.parameter, &param.type) == FAILURE) {
1448            return;
1449        }
1450    }
1451
1452    Z_ADDREF_P(param.parameter);
1453
1454    if (!register_bound_parameter_to_sqlite(&param, stmt_obj TSRMLS_CC)) {
1455        if (param.parameter) {
1456            zval_ptr_dtor(&(param.parameter));
1457            param.parameter = NULL;
1458        }
1459        RETURN_FALSE;
1460    }
1461    RETURN_TRUE;
1462}
1463/* }}} */
1464
1465/* {{{ proto SQLite3Result SQLite3Stmt::execute()
1466   Executes a prepared statement and returns a result set object. */
1467PHP_METHOD(sqlite3stmt, execute)
1468{
1469    php_sqlite3_stmt *stmt_obj;
1470    php_sqlite3_result *result;
1471    zval *object = getThis();
1472    int return_code = 0;
1473    struct php_sqlite3_bound_param *param;
1474
1475    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1476
1477    if (zend_parse_parameters_none() == FAILURE) {
1478        return;
1479    }
1480
1481    SQLITE3_CHECK_INITIALIZED(stmt_obj->db_obj, stmt_obj->initialised, SQLite3)
1482
1483    if (stmt_obj->bound_params) {
1484        zend_hash_internal_pointer_reset(stmt_obj->bound_params);
1485        while (zend_hash_get_current_data(stmt_obj->bound_params, (void **)&param) == SUCCESS) {
1486            /* If the ZVAL is null then it should be bound as that */
1487            if (Z_TYPE_P(param->parameter) == IS_NULL) {
1488                sqlite3_bind_null(stmt_obj->stmt, param->param_number);
1489                zend_hash_move_forward(stmt_obj->bound_params);
1490                continue;
1491            }
1492
1493            switch (param->type) {
1494                case SQLITE_INTEGER:
1495                    convert_to_long(param->parameter);
1496                    sqlite3_bind_int(stmt_obj->stmt, param->param_number, Z_LVAL_P(param->parameter));
1497                    break;
1498
1499                case SQLITE_FLOAT:
1500                    /* convert_to_double(param->parameter);*/
1501                    sqlite3_bind_double(stmt_obj->stmt, param->param_number, Z_DVAL_P(param->parameter));
1502                    break;
1503
1504                case SQLITE_BLOB:
1505                {
1506                    php_stream *stream = NULL;
1507                    int blength;
1508                    char *buffer = NULL;
1509                    if (Z_TYPE_P(param->parameter) == IS_RESOURCE) {
1510                        php_stream_from_zval_no_verify(stream, &param->parameter);
1511                        if (stream == NULL) {
1512                            php_sqlite3_error(stmt_obj->db_obj, "Unable to read stream for parameter %ld", param->param_number);
1513                            RETURN_FALSE;
1514                        }
1515                        blength = php_stream_copy_to_mem(stream, (void *)&buffer, PHP_STREAM_COPY_ALL, 0);
1516                    } else {
1517                        convert_to_string(param->parameter);
1518                        blength =  Z_STRLEN_P(param->parameter);
1519                        buffer = Z_STRVAL_P(param->parameter);
1520                    }
1521
1522                    sqlite3_bind_blob(stmt_obj->stmt, param->param_number, buffer, blength, SQLITE_TRANSIENT);
1523
1524                    if (stream) {
1525                        pefree(buffer, 0);
1526                    }
1527                    break;
1528                }
1529
1530                case SQLITE3_TEXT:
1531                    convert_to_string(param->parameter);
1532                    sqlite3_bind_text(stmt_obj->stmt, param->param_number, Z_STRVAL_P(param->parameter), Z_STRLEN_P(param->parameter), SQLITE_STATIC);
1533                    break;
1534
1535                case SQLITE_NULL:
1536                    sqlite3_bind_null(stmt_obj->stmt, param->param_number);
1537                    break;
1538
1539                default:
1540                    php_sqlite3_error(stmt_obj->db_obj, "Unknown parameter type: %ld for parameter %ld", param->type, param->param_number);
1541                    RETURN_FALSE;
1542            }
1543            zend_hash_move_forward(stmt_obj->bound_params);
1544        }
1545    }
1546
1547    return_code = sqlite3_step(stmt_obj->stmt);
1548
1549    switch (return_code) {
1550        case SQLITE_ROW: /* Valid Row */
1551        case SQLITE_DONE: /* Valid but no results */
1552        {
1553            sqlite3_reset(stmt_obj->stmt);
1554            object_init_ex(return_value, php_sqlite3_result_entry);
1555            result = (php_sqlite3_result *)zend_object_store_get_object(return_value TSRMLS_CC);
1556
1557            Z_ADDREF_P(object);
1558
1559            result->is_prepared_statement = 1;
1560            result->db_obj = stmt_obj->db_obj;
1561            result->stmt_obj = stmt_obj;
1562            result->stmt_obj_zval = getThis();
1563
1564            break;
1565        }
1566        case SQLITE_ERROR:
1567            sqlite3_reset(stmt_obj->stmt);
1568
1569        default:
1570            php_sqlite3_error(stmt_obj->db_obj, "Unable to execute statement: %s", sqlite3_errmsg(sqlite3_db_handle(stmt_obj->stmt)));
1571            zval_dtor(return_value);
1572            RETURN_FALSE;
1573    }
1574
1575    return;
1576}
1577/* }}} */
1578
1579/* {{{ proto int SQLite3Stmt::__construct(SQLite3 dbobject, String Statement)
1580   __constructor for SQLite3Stmt. */
1581PHP_METHOD(sqlite3stmt, __construct)
1582{
1583    php_sqlite3_stmt *stmt_obj;
1584    php_sqlite3_db_object *db_obj;
1585    zval *object = getThis();
1586    zval *db_zval;
1587    char *sql;
1588    int sql_len, errcode;
1589    zend_error_handling error_handling;
1590    php_sqlite3_free_list *free_item;
1591
1592    stmt_obj = (php_sqlite3_stmt *)zend_object_store_get_object(object TSRMLS_CC);
1593    zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
1594
1595    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os", &db_zval, php_sqlite3_sc_entry, &sql, &sql_len) == FAILURE) {
1596        zend_restore_error_handling(&error_handling TSRMLS_CC);
1597        return;
1598    }
1599
1600    db_obj = (php_sqlite3_db_object *)zend_object_store_get_object(db_zval TSRMLS_CC);
1601
1602    SQLITE3_CHECK_INITIALIZED(db_obj, db_obj->initialised, SQLite3)
1603
1604    zend_restore_error_handling(&error_handling TSRMLS_CC);
1605
1606    if (!sql_len) {
1607        RETURN_FALSE;
1608    }
1609
1610    stmt_obj->db_obj = db_obj;
1611    stmt_obj->db_obj_zval = db_zval;
1612
1613    Z_ADDREF_P(db_zval);
1614
1615    errcode = sqlite3_prepare_v2(db_obj->db, sql, sql_len, &(stmt_obj->stmt), NULL);
1616    if (errcode != SQLITE_OK) {
1617        php_sqlite3_error(db_obj, "Unable to prepare statement: %d, %s", errcode, sqlite3_errmsg(db_obj->db));
1618        zval_dtor(return_value);
1619        RETURN_FALSE;
1620    }
1621    stmt_obj->initialised = 1;
1622
1623    free_item = emalloc(sizeof(php_sqlite3_free_list));
1624    free_item->stmt_obj = stmt_obj;
1625    free_item->stmt_obj_zval = getThis();
1626
1627    zend_llist_add_element(&(db_obj->free_list), &free_item);
1628}
1629/* }}} */
1630
1631/* {{{ proto int SQLite3Result::numColumns()
1632   Number of columns in the result set. */
1633PHP_METHOD(sqlite3result, numColumns)
1634{
1635    php_sqlite3_result *result_obj;
1636    zval *object = getThis();
1637    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1638
1639    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1640
1641    if (zend_parse_parameters_none() == FAILURE) {
1642        return;
1643    }
1644
1645    RETURN_LONG(sqlite3_column_count(result_obj->stmt_obj->stmt));
1646}
1647/* }}} */
1648
1649/* {{{ proto string SQLite3Result::columnName(int column)
1650   Returns the name of the nth column. */
1651PHP_METHOD(sqlite3result, columnName)
1652{
1653    php_sqlite3_result *result_obj;
1654    zval *object = getThis();
1655    long column = 0;
1656    char *column_name;
1657    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1658
1659    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1660
1661    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &column) == FAILURE) {
1662        return;
1663    }
1664    column_name = (char*) sqlite3_column_name(result_obj->stmt_obj->stmt, column);
1665
1666    if (column_name == NULL) {
1667        RETURN_FALSE;
1668    }
1669
1670    RETVAL_STRING(column_name, 1);
1671}
1672/* }}} */
1673
1674/* {{{ proto int SQLite3Result::columnType(int column)
1675   Returns the type of the nth column. */
1676PHP_METHOD(sqlite3result, columnType)
1677{
1678    php_sqlite3_result *result_obj;
1679    zval *object = getThis();
1680    long column = 0;
1681    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1682
1683    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1684
1685    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &column) == FAILURE) {
1686        return;
1687    }
1688
1689    if (result_obj->complete) {
1690        RETURN_FALSE;
1691    }
1692
1693    RETURN_LONG(sqlite3_column_type(result_obj->stmt_obj->stmt, column));
1694}
1695/* }}} */
1696
1697/* {{{ proto array SQLite3Result::fetchArray([int mode])
1698   Fetch a result row as both an associative or numerically indexed array or both. */
1699PHP_METHOD(sqlite3result, fetchArray)
1700{
1701    php_sqlite3_result *result_obj;
1702    zval *object = getThis();
1703    int i, ret;
1704    long mode = PHP_SQLITE3_BOTH;
1705    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1706
1707    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1708
1709    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &mode) == FAILURE) {
1710        return;
1711    }
1712
1713    ret = sqlite3_step(result_obj->stmt_obj->stmt);
1714    switch (ret) {
1715        case SQLITE_ROW:
1716            /* If there was no return value then just skip fetching */
1717            if (!return_value_used) {
1718                return;
1719            }
1720
1721            array_init(return_value);
1722
1723            for (i = 0; i < sqlite3_data_count(result_obj->stmt_obj->stmt); i++) {
1724                zval *data;
1725
1726                data = sqlite_value_to_zval(result_obj->stmt_obj->stmt, i);
1727
1728                if (mode & PHP_SQLITE3_NUM) {
1729                    add_index_zval(return_value, i, data);
1730                }
1731
1732                if (mode & PHP_SQLITE3_ASSOC) {
1733                    if (mode & PHP_SQLITE3_NUM) {
1734                        Z_ADDREF_P(data);
1735                    }
1736                    add_assoc_zval(return_value, (char*)sqlite3_column_name(result_obj->stmt_obj->stmt, i), data);
1737                }
1738            }
1739            break;
1740
1741        case SQLITE_DONE:
1742            result_obj->complete = 1;
1743            RETURN_FALSE;
1744            break;
1745
1746        default:
1747            php_sqlite3_error(result_obj->db_obj, "Unable to execute statement: %s", sqlite3_errmsg(sqlite3_db_handle(result_obj->stmt_obj->stmt)));
1748    }
1749}
1750/* }}} */
1751
1752/* {{{ proto bool SQLite3Result::reset()
1753   Resets the result set back to the first row. */
1754PHP_METHOD(sqlite3result, reset)
1755{
1756    php_sqlite3_result *result_obj;
1757    zval *object = getThis();
1758    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1759
1760    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1761
1762    if (zend_parse_parameters_none() == FAILURE) {
1763        return;
1764    }
1765
1766    if (sqlite3_reset(result_obj->stmt_obj->stmt) != SQLITE_OK) {
1767        RETURN_FALSE;
1768    }
1769
1770    result_obj->complete = 0;
1771
1772    RETURN_TRUE;
1773}
1774/* }}} */
1775
1776/* {{{ proto bool SQLite3Result::finalize()
1777   Closes the result set. */
1778PHP_METHOD(sqlite3result, finalize)
1779{
1780    php_sqlite3_result *result_obj;
1781    zval *object = getThis();
1782    result_obj = (php_sqlite3_result *)zend_object_store_get_object(object TSRMLS_CC);
1783
1784    SQLITE3_CHECK_INITIALIZED(result_obj->db_obj, result_obj->stmt_obj->initialised, SQLite3Result)
1785
1786    if (zend_parse_parameters_none() == FAILURE) {
1787        return;
1788    }
1789
1790    /* We need to finalize an internal statement */
1791    if (result_obj->is_prepared_statement == 0) {
1792        zend_llist_del_element(&(result_obj->db_obj->free_list), result_obj->stmt_obj_zval,
1793            (int (*)(void *, void *)) php_sqlite3_compare_stmt_zval_free);
1794    } else {
1795        sqlite3_reset(result_obj->stmt_obj->stmt);
1796    }
1797
1798    RETURN_TRUE;
1799}
1800/* }}} */
1801
1802/* {{{ proto int SQLite3Result::__construct()
1803   __constructor for SQLite3Result. */
1804PHP_METHOD(sqlite3result, __construct)
1805{
1806    zend_throw_exception(zend_exception_get_default(TSRMLS_C), "SQLite3Result cannot be directly instantiated", 0 TSRMLS_CC);
1807}
1808/* }}} */
1809
1810/* {{{ arginfo */
1811ZEND_BEGIN_ARG_INFO(arginfo_sqlite3_open, 0)
1812    ZEND_ARG_INFO(0, filename)
1813    ZEND_ARG_INFO(0, flags)
1814    ZEND_ARG_INFO(0, encryption_key)
1815ZEND_END_ARG_INFO()
1816
1817ZEND_BEGIN_ARG_INFO(arginfo_sqlite3_busytimeout, 0)
1818    ZEND_ARG_INFO(0, ms)
1819ZEND_END_ARG_INFO()
1820
1821#ifndef SQLITE_OMIT_LOAD_EXTENSION
1822ZEND_BEGIN_ARG_INFO(arginfo_sqlite3_loadextension, 0)
1823    ZEND_ARG_INFO(0, shared_library)
1824ZEND_END_ARG_INFO()
1825#endif
1826
1827ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_escapestring, 0, 0, 1)
1828    ZEND_ARG_INFO(0, value)
1829ZEND_END_ARG_INFO()
1830
1831ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_query, 0, 0, 1)
1832    ZEND_ARG_INFO(0, query)
1833ZEND_END_ARG_INFO()
1834
1835ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_querysingle, 0, 0, 1)
1836    ZEND_ARG_INFO(0, query)
1837    ZEND_ARG_INFO(0, entire_row)
1838ZEND_END_ARG_INFO()
1839
1840ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_createfunction, 0, 0, 2)
1841    ZEND_ARG_INFO(0, name)
1842    ZEND_ARG_INFO(0, callback)
1843    ZEND_ARG_INFO(0, argument_count)
1844ZEND_END_ARG_INFO()
1845
1846ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_createaggregate, 0, 0, 3)
1847    ZEND_ARG_INFO(0, name)
1848    ZEND_ARG_INFO(0, step_callback)
1849    ZEND_ARG_INFO(0, final_callback)
1850    ZEND_ARG_INFO(0, argument_count)
1851ZEND_END_ARG_INFO()
1852
1853ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3_createcollation, 0, 0, 2)
1854    ZEND_ARG_INFO(0, name)
1855    ZEND_ARG_INFO(0, callback)
1856ZEND_END_ARG_INFO()
1857
1858ZEND_BEGIN_ARG_INFO_EX(argingo_sqlite3_openblob, 0, 0, 3)
1859    ZEND_ARG_INFO(0, table)
1860    ZEND_ARG_INFO(0, column)
1861    ZEND_ARG_INFO(0, rowid)
1862    ZEND_ARG_INFO(0, dbname)
1863ZEND_END_ARG_INFO()
1864
1865ZEND_BEGIN_ARG_INFO_EX(argingo_sqlite3_enableexceptions, 0, 0, 1)
1866    ZEND_ARG_INFO(0, enableExceptions)
1867ZEND_END_ARG_INFO()
1868
1869ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3stmt_bindparam, 0, 0, 2)
1870    ZEND_ARG_INFO(0, param_number)
1871    ZEND_ARG_INFO(1, param)
1872    ZEND_ARG_INFO(0, type)
1873ZEND_END_ARG_INFO()
1874
1875ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3stmt_bindvalue, 0, 0, 2)
1876    ZEND_ARG_INFO(0, param_number)
1877    ZEND_ARG_INFO(0, param)
1878    ZEND_ARG_INFO(0, type)
1879ZEND_END_ARG_INFO()
1880
1881ZEND_BEGIN_ARG_INFO(arginfo_sqlite3stmt_construct, 1)
1882    ZEND_ARG_INFO(0, sqlite3)
1883ZEND_END_ARG_INFO()
1884
1885ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3result_columnname, 0, 0, 1)
1886    ZEND_ARG_INFO(0, column_number)
1887ZEND_END_ARG_INFO()
1888
1889ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3result_columntype, 0, 0, 1)
1890    ZEND_ARG_INFO(0, column_number)
1891ZEND_END_ARG_INFO()
1892
1893ZEND_BEGIN_ARG_INFO_EX(arginfo_sqlite3result_fetcharray, 0, 0, 1)
1894    ZEND_ARG_INFO(0, mode)
1895ZEND_END_ARG_INFO()
1896
1897ZEND_BEGIN_ARG_INFO(arginfo_sqlite3_void, 0)
1898ZEND_END_ARG_INFO()
1899/* }}} */
1900
1901/* {{{ php_sqlite3_class_methods */
1902static zend_function_entry php_sqlite3_class_methods[] = {
1903    PHP_ME(sqlite3,     open,               arginfo_sqlite3_open, ZEND_ACC_PUBLIC)
1904    PHP_ME(sqlite3,     close,              arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1905    PHP_ME(sqlite3,     exec,               arginfo_sqlite3_query, ZEND_ACC_PUBLIC)
1906    PHP_ME(sqlite3,     version,            arginfo_sqlite3_void, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
1907    PHP_ME(sqlite3,     lastInsertRowID,    arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1908    PHP_ME(sqlite3,     lastErrorCode,      arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1909    PHP_ME(sqlite3,     lastErrorMsg,       arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1910    PHP_ME(sqlite3,     busyTimeout,        arginfo_sqlite3_busytimeout, ZEND_ACC_PUBLIC)
1911#ifndef SQLITE_OMIT_LOAD_EXTENSION
1912    PHP_ME(sqlite3,     loadExtension,      arginfo_sqlite3_loadextension, ZEND_ACC_PUBLIC)
1913#endif
1914    PHP_ME(sqlite3,     changes,            arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1915    PHP_ME(sqlite3,     escapeString,       arginfo_sqlite3_escapestring, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
1916    PHP_ME(sqlite3,     prepare,            arginfo_sqlite3_query, ZEND_ACC_PUBLIC)
1917    PHP_ME(sqlite3,     query,              arginfo_sqlite3_query, ZEND_ACC_PUBLIC)
1918    PHP_ME(sqlite3,     querySingle,        arginfo_sqlite3_querysingle, ZEND_ACC_PUBLIC)
1919    PHP_ME(sqlite3,     createFunction,     arginfo_sqlite3_createfunction, ZEND_ACC_PUBLIC)
1920    PHP_ME(sqlite3,     createAggregate,    arginfo_sqlite3_createaggregate, ZEND_ACC_PUBLIC)
1921    PHP_ME(sqlite3,     createCollation,    arginfo_sqlite3_createcollation, ZEND_ACC_PUBLIC)
1922    PHP_ME(sqlite3,     openBlob,           argingo_sqlite3_openblob, ZEND_ACC_PUBLIC)
1923    PHP_ME(sqlite3,     enableExceptions,   argingo_sqlite3_enableexceptions, ZEND_ACC_PUBLIC)
1924    /* Aliases */
1925    PHP_MALIAS(sqlite3, __construct, open, arginfo_sqlite3_open, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
1926    PHP_FE_END
1927};
1928/* }}} */
1929
1930/* {{{ php_sqlite3_stmt_class_methods */
1931static zend_function_entry php_sqlite3_stmt_class_methods[] = {
1932    PHP_ME(sqlite3stmt, paramCount, arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1933    PHP_ME(sqlite3stmt, close,      arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1934    PHP_ME(sqlite3stmt, reset,      arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1935    PHP_ME(sqlite3stmt, clear,      arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1936    PHP_ME(sqlite3stmt, execute,    arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1937    PHP_ME(sqlite3stmt, bindParam,  arginfo_sqlite3stmt_bindparam, ZEND_ACC_PUBLIC)
1938    PHP_ME(sqlite3stmt, bindValue,  arginfo_sqlite3stmt_bindvalue, ZEND_ACC_PUBLIC)
1939    PHP_ME(sqlite3stmt, readOnly,   arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1940    PHP_ME(sqlite3stmt, __construct, arginfo_sqlite3stmt_construct, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
1941    PHP_FE_END
1942};
1943/* }}} */
1944
1945/* {{{ php_sqlite3_result_class_methods */
1946static zend_function_entry php_sqlite3_result_class_methods[] = {
1947    PHP_ME(sqlite3result, numColumns,       arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1948    PHP_ME(sqlite3result, columnName,       arginfo_sqlite3result_columnname, ZEND_ACC_PUBLIC)
1949    PHP_ME(sqlite3result, columnType,       arginfo_sqlite3result_columntype, ZEND_ACC_PUBLIC)
1950    PHP_ME(sqlite3result, fetchArray,       arginfo_sqlite3result_fetcharray, ZEND_ACC_PUBLIC)
1951    PHP_ME(sqlite3result, reset,            arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1952    PHP_ME(sqlite3result, finalize,         arginfo_sqlite3_void, ZEND_ACC_PUBLIC)
1953    PHP_ME(sqlite3result, __construct,      arginfo_sqlite3_void, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
1954    PHP_FE_END
1955};
1956/* }}} */
1957
1958/* {{{ Authorization Callback
1959*/
1960static int php_sqlite3_authorizer(void *autharg, int access_type, const char *arg3, const char *arg4, const char *arg5, const char *arg6)
1961{
1962    switch (access_type) {
1963        case SQLITE_ATTACH:
1964        {
1965            if (memcmp(arg3, ":memory:", sizeof(":memory:")) && *arg3) {
1966                TSRMLS_FETCH();
1967
1968#if PHP_API_VERSION < 20100412
1969                if (PG(safe_mode) && (!php_checkuid(arg3, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
1970                    return SQLITE_DENY;
1971                }
1972#endif
1973
1974                if (php_check_open_basedir(arg3 TSRMLS_CC)) {
1975                    return SQLITE_DENY;
1976                }
1977            }
1978            return SQLITE_OK;
1979        }
1980
1981        default:
1982            /* access allowed */
1983            return SQLITE_OK;
1984    }
1985}
1986/* }}} */
1987
1988/* {{{ php_sqlite3_free_list_dtor
1989*/
1990static void php_sqlite3_free_list_dtor(void **item)
1991{
1992    php_sqlite3_free_list *free_item = (php_sqlite3_free_list *)*item;
1993
1994    if (free_item->stmt_obj && free_item->stmt_obj->initialised) {
1995        sqlite3_finalize(free_item->stmt_obj->stmt);
1996        free_item->stmt_obj->initialised = 0;
1997    }
1998    efree(*item);
1999}
2000/* }}} */
2001
2002static int php_sqlite3_compare_stmt_zval_free( php_sqlite3_free_list **free_list, zval *statement ) /* {{{ */
2003{
2004    return ((*free_list)->stmt_obj->initialised && statement == (*free_list)->stmt_obj_zval);
2005}
2006/* }}} */
2007
2008static int php_sqlite3_compare_stmt_free( php_sqlite3_free_list **free_list, sqlite3_stmt *statement ) /* {{{ */
2009{
2010    return ((*free_list)->stmt_obj->initialised && statement == (*free_list)->stmt_obj->stmt);
2011}
2012/* }}} */
2013
2014static void php_sqlite3_object_free_storage(void *object TSRMLS_DC) /* {{{ */
2015{
2016    php_sqlite3_db_object *intern = (php_sqlite3_db_object *)object;
2017    php_sqlite3_func *func;
2018    php_sqlite3_collation *collation;
2019
2020    if (!intern) {
2021        return;
2022    }
2023
2024    while (intern->funcs) {
2025        func = intern->funcs;
2026        intern->funcs = func->next;
2027        if (intern->initialised && intern->db) {
2028            sqlite3_create_function(intern->db, func->func_name, func->argc, SQLITE_UTF8, func, NULL, NULL, NULL);
2029        }
2030
2031        efree((char*)func->func_name);
2032
2033        if (func->func) {
2034            zval_ptr_dtor(&func->func);
2035        }
2036        if (func->step) {
2037            zval_ptr_dtor(&func->step);
2038        }
2039        if (func->fini) {
2040            zval_ptr_dtor(&func->fini);
2041        }
2042        efree(func);
2043    }
2044
2045    while (intern->collations){
2046        collation = intern->collations;
2047        intern->collations = collation->next;
2048        if (intern->initialised && intern->db){
2049            sqlite3_create_collation(intern->db, collation->collation_name, SQLITE_UTF8, NULL, NULL);
2050        }
2051        efree((char*)collation->collation_name);
2052        if (collation->cmp_func){
2053            zval_ptr_dtor(&collation->cmp_func);
2054        }
2055        efree(collation);
2056    }
2057
2058    if (intern->initialised && intern->db) {
2059        sqlite3_close(intern->db);
2060        intern->initialised = 0;
2061    }
2062
2063    zend_object_std_dtor(&intern->zo TSRMLS_CC);
2064    efree(intern);
2065}
2066/* }}} */
2067
2068static void php_sqlite3_stmt_object_free_storage(void *object TSRMLS_DC) /* {{{ */
2069{
2070    php_sqlite3_stmt *intern = (php_sqlite3_stmt *)object;
2071
2072    if (!intern) {
2073        return;
2074    }
2075
2076    if (intern->bound_params) {
2077        zend_hash_destroy(intern->bound_params);
2078        FREE_HASHTABLE(intern->bound_params);
2079        intern->bound_params = NULL;
2080    }
2081
2082    if (intern->initialised) {
2083        zend_llist_del_element(&(intern->db_obj->free_list), intern->stmt,
2084            (int (*)(void *, void *)) php_sqlite3_compare_stmt_free);
2085    }
2086
2087    if (intern->db_obj_zval) {
2088        zval_ptr_dtor(&intern->db_obj_zval);
2089    }
2090
2091    zend_object_std_dtor(&intern->zo TSRMLS_CC);
2092    efree(intern);
2093}
2094/* }}} */
2095
2096static void php_sqlite3_result_object_free_storage(void *object TSRMLS_DC) /* {{{ */
2097{
2098    php_sqlite3_result *intern = (php_sqlite3_result *)object;
2099
2100    if (!intern) {
2101        return;
2102    }
2103
2104    if (intern->stmt_obj_zval) {
2105        if (intern->stmt_obj->initialised) {
2106            sqlite3_reset(intern->stmt_obj->stmt);
2107        }
2108
2109        if (intern->is_prepared_statement == 0) {
2110            zval_dtor(intern->stmt_obj_zval);
2111            FREE_ZVAL(intern->stmt_obj_zval);
2112        } else {
2113            zval_ptr_dtor(&intern->stmt_obj_zval);
2114        }
2115    }
2116
2117    zend_object_std_dtor(&intern->zo TSRMLS_CC);
2118    efree(intern);
2119}
2120/* }}} */
2121
2122static zend_object_value php_sqlite3_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
2123{
2124    zval *tmp;
2125    zend_object_value retval;
2126    php_sqlite3_db_object *intern;
2127
2128    /* Allocate memory for it */
2129    intern = emalloc(sizeof(php_sqlite3_db_object));
2130    memset(intern, 0, sizeof(php_sqlite3_db_object));
2131    intern->exception = 0;
2132
2133    /* Need to keep track of things to free */
2134    zend_llist_init(&(intern->free_list),   sizeof(php_sqlite3_free_list *), (llist_dtor_func_t)php_sqlite3_free_list_dtor, 0);
2135
2136    zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
2137    zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_property_ctor,(void *) &tmp, sizeof(zval *));
2138
2139    retval.handle = zend_objects_store_put(intern, NULL, (zend_objects_free_object_storage_t) php_sqlite3_object_free_storage, NULL TSRMLS_CC);
2140    retval.handlers = (zend_object_handlers *) &sqlite3_object_handlers;
2141
2142    return retval;
2143}
2144/* }}} */
2145
2146static zend_object_value php_sqlite3_stmt_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
2147{
2148    zval *tmp;
2149    zend_object_value retval;
2150    php_sqlite3_stmt *intern;
2151
2152    /* Allocate memory for it */
2153    intern = emalloc(sizeof(php_sqlite3_stmt));
2154    memset(intern, 0, sizeof(php_sqlite3_stmt));
2155
2156    intern->db_obj_zval = NULL;
2157
2158    zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
2159    zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_property_ctor,(void *) &tmp, sizeof(zval *));
2160
2161    retval.handle = zend_objects_store_put(intern, NULL, (zend_objects_free_object_storage_t) php_sqlite3_stmt_object_free_storage, NULL TSRMLS_CC);
2162    retval.handlers = (zend_object_handlers *) &sqlite3_stmt_object_handlers;
2163
2164    return retval;
2165}
2166/* }}} */
2167
2168static zend_object_value php_sqlite3_result_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
2169{
2170    zval *tmp;
2171    zend_object_value retval;
2172    php_sqlite3_result *intern;
2173
2174    /* Allocate memory for it */
2175    intern = emalloc(sizeof(php_sqlite3_result));
2176    memset(intern, 0, sizeof(php_sqlite3_result));
2177
2178    intern->complete = 0;
2179    intern->is_prepared_statement = 0;
2180    intern->stmt_obj_zval = NULL;
2181
2182    zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
2183    zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_property_ctor,(void *) &tmp, sizeof(zval *));
2184
2185    retval.handle = zend_objects_store_put(intern, NULL, (zend_objects_free_object_storage_t) php_sqlite3_result_object_free_storage, NULL TSRMLS_CC);
2186    retval.handlers = (zend_object_handlers *) &sqlite3_result_object_handlers;
2187
2188    return retval;
2189}
2190/* }}} */
2191
2192static void sqlite3_param_dtor(void *data) /* {{{ */
2193{
2194    struct php_sqlite3_bound_param *param = (struct php_sqlite3_bound_param*)data;
2195
2196    if (param->name) {
2197        efree(param->name);
2198    }
2199
2200    if (param->parameter) {
2201        zval_ptr_dtor(&(param->parameter));
2202        param->parameter = NULL;
2203    }
2204}
2205/* }}} */
2206
2207/* {{{ PHP_MINIT_FUNCTION
2208*/
2209PHP_MINIT_FUNCTION(sqlite3)
2210{
2211    zend_class_entry ce;
2212
2213#if defined(ZTS)
2214    /* Refuse to load if this wasn't a threasafe library loaded */
2215    if (!sqlite3_threadsafe()) {
2216        php_error_docref(NULL TSRMLS_CC, E_WARNING, "A thread safe version of SQLite is required when using a thread safe version of PHP.");
2217        return FAILURE;
2218    }
2219#endif
2220
2221    memcpy(&sqlite3_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
2222    memcpy(&sqlite3_stmt_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
2223    memcpy(&sqlite3_result_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
2224
2225    /* Register SQLite 3 Class */
2226    INIT_CLASS_ENTRY(ce, "SQLite3", php_sqlite3_class_methods);
2227    ce.create_object = php_sqlite3_object_new;
2228    sqlite3_object_handlers.clone_obj = NULL;
2229    php_sqlite3_sc_entry = zend_register_internal_class(&ce TSRMLS_CC);
2230
2231    /* Register SQLite 3 Prepared Statement Class */
2232    INIT_CLASS_ENTRY(ce, "SQLite3Stmt", php_sqlite3_stmt_class_methods);
2233    ce.create_object = php_sqlite3_stmt_object_new;
2234    sqlite3_stmt_object_handlers.clone_obj = NULL;
2235    php_sqlite3_stmt_entry = zend_register_internal_class(&ce TSRMLS_CC);
2236
2237    /* Register SQLite 3 Result Class */
2238    INIT_CLASS_ENTRY(ce, "SQLite3Result", php_sqlite3_result_class_methods);
2239    ce.create_object = php_sqlite3_result_object_new;
2240    sqlite3_result_object_handlers.clone_obj = NULL;
2241    php_sqlite3_result_entry = zend_register_internal_class(&ce TSRMLS_CC);
2242
2243    REGISTER_INI_ENTRIES();
2244
2245    REGISTER_LONG_CONSTANT("SQLITE3_ASSOC", PHP_SQLITE3_ASSOC, CONST_CS | CONST_PERSISTENT);
2246    REGISTER_LONG_CONSTANT("SQLITE3_NUM", PHP_SQLITE3_NUM, CONST_CS | CONST_PERSISTENT);
2247    REGISTER_LONG_CONSTANT("SQLITE3_BOTH", PHP_SQLITE3_BOTH, CONST_CS | CONST_PERSISTENT);
2248
2249    REGISTER_LONG_CONSTANT("SQLITE3_INTEGER", SQLITE_INTEGER, CONST_CS | CONST_PERSISTENT);
2250    REGISTER_LONG_CONSTANT("SQLITE3_FLOAT", SQLITE_FLOAT, CONST_CS | CONST_PERSISTENT);
2251    REGISTER_LONG_CONSTANT("SQLITE3_TEXT", SQLITE3_TEXT, CONST_CS | CONST_PERSISTENT);
2252    REGISTER_LONG_CONSTANT("SQLITE3_BLOB", SQLITE_BLOB, CONST_CS | CONST_PERSISTENT);
2253    REGISTER_LONG_CONSTANT("SQLITE3_NULL", SQLITE_NULL, CONST_CS | CONST_PERSISTENT);
2254
2255    REGISTER_LONG_CONSTANT("SQLITE3_OPEN_READONLY", SQLITE_OPEN_READONLY, CONST_CS | CONST_PERSISTENT);
2256    REGISTER_LONG_CONSTANT("SQLITE3_OPEN_READWRITE", SQLITE_OPEN_READWRITE, CONST_CS | CONST_PERSISTENT);
2257    REGISTER_LONG_CONSTANT("SQLITE3_OPEN_CREATE", SQLITE_OPEN_CREATE, CONST_CS | CONST_PERSISTENT);
2258
2259    return SUCCESS;
2260}
2261/* }}} */
2262
2263/* {{{ PHP_MSHUTDOWN_FUNCTION
2264*/
2265PHP_MSHUTDOWN_FUNCTION(sqlite3)
2266{
2267    UNREGISTER_INI_ENTRIES();
2268
2269    return SUCCESS;
2270}
2271/* }}} */
2272
2273/* {{{ PHP_MINFO_FUNCTION
2274*/
2275PHP_MINFO_FUNCTION(sqlite3)
2276{
2277    php_info_print_table_start();
2278    php_info_print_table_header(2, "SQLite3 support", "enabled");
2279    php_info_print_table_row(2, "SQLite3 module version", PHP_SQLITE3_VERSION);
2280    php_info_print_table_row(2, "SQLite Library", sqlite3_libversion());
2281    php_info_print_table_end();
2282
2283    DISPLAY_INI_ENTRIES();
2284}
2285/* }}} */
2286
2287/* {{{ PHP_GINIT_FUNCTION
2288*/
2289static PHP_GINIT_FUNCTION(sqlite3)
2290{
2291    memset(sqlite3_globals, 0, sizeof(*sqlite3_globals));
2292}
2293/* }}} */
2294
2295/* {{{ sqlite3_module_entry
2296*/
2297zend_module_entry sqlite3_module_entry = {
2298    STANDARD_MODULE_HEADER,
2299    "sqlite3",
2300    NULL,
2301    PHP_MINIT(sqlite3),
2302    PHP_MSHUTDOWN(sqlite3),
2303    NULL,
2304    NULL,
2305    PHP_MINFO(sqlite3),
2306    PHP_SQLITE3_VERSION,
2307    PHP_MODULE_GLOBALS(sqlite3),
2308    PHP_GINIT(sqlite3),
2309    NULL,
2310    NULL,
2311    STANDARD_MODULE_PROPERTIES_EX
2312};
2313/* }}} */
2314
2315#ifdef COMPILE_DL_SQLITE3
2316ZEND_GET_MODULE(sqlite3)
2317#endif
2318
2319/*
2320 * Local variables:
2321 * tab-width: 4
2322 * c-basic-offset: 4
2323 * End:
2324 * vim600: sw=4 ts=4 fdm=marker
2325 * vim<600: sw=4 ts=4
2326 */
2327