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3b7be889d8
php-src/ext/mysql/php_mysql.c
Dmitry Stogov 1dbaae2795 Added automatic module globals management
2006-06-15 18:33:09 +00:00

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2006 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <zeev@zend.com> |
| Zak Greant <zak@mysql.com> |
| Georg Richter <georg@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* TODO:
*
* ? Safe mode implementation
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_globals.h"
#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#ifdef ZEND_ENGINE_2
# include "zend_exceptions.h"
#else
/* PHP 4 compat */
# define OnUpdateLong OnUpdateInt
# define E_STRICT E_NOTICE
#endif
#if HAVE_MYSQL
#ifdef PHP_WIN32
# include <winsock2.h>
# define signal(a, b) NULL
#elif defined(NETWARE)
# include <sys/socket.h>
# define signal(a, b) NULL
#else
# if HAVE_SIGNAL_H
# include <signal.h>
# endif
# if HAVE_SYS_TYPES_H
# include <sys/types.h>
# endif
# include <netdb.h>
# include <netinet/in.h>
# if HAVE_ARPA_INET_H
# include <arpa/inet.h>
# endif
#endif
#include <mysql.h>
#include "php_ini.h"
#include "php_mysql.h"
/* True globals, no need for thread safety */
static int le_result, le_link, le_plink;
#ifdef HAVE_MYSQL_REAL_CONNECT
# ifdef HAVE_ERRMSG_H
# include <errmsg.h>
# endif
#endif
#define SAFE_STRING(s) ((s)?(s):"")
#if MYSQL_VERSION_ID > 32199
# define mysql_row_length_type unsigned long
# define HAVE_MYSQL_ERRNO
#else
# define mysql_row_length_type unsigned int
# ifdef mysql_errno
# define HAVE_MYSQL_ERRNO
# endif
#endif
#if MYSQL_VERSION_ID >= 32032
#define HAVE_GETINFO_FUNCS
#endif
#if MYSQL_VERSION_ID > 32133 || defined(FIELD_TYPE_TINY)
#define MYSQL_HAS_TINY
#endif
#if MYSQL_VERSION_ID >= 32200
#define MYSQL_HAS_YEAR
#endif
#define MYSQL_ASSOC 1<<0
#define MYSQL_NUM 1<<1
#define MYSQL_BOTH (MYSQL_ASSOC|MYSQL_NUM)
#define MYSQL_USE_RESULT 0
#define MYSQL_STORE_RESULT 1
#if MYSQL_VERSION_ID < 32224
#define PHP_MYSQL_VALID_RESULT(mysql) \
(mysql_num_fields(mysql)>0)
#else
#define PHP_MYSQL_VALID_RESULT(mysql) \
(mysql_field_count(mysql)>0)
#endif
ZEND_DECLARE_MODULE_GLOBALS(mysql)
static PHP_GINIT_FUNCTION(mysql);
typedef struct _php_mysql_conn {
MYSQL conn;
int active_result_id;
} php_mysql_conn;
/* {{{ mysql_functions[]
*/
zend_function_entry mysql_functions[] = {
PHP_FE(mysql_connect, NULL)
PHP_FE(mysql_pconnect, NULL)
PHP_FE(mysql_close, NULL)
PHP_FE(mysql_select_db, NULL)
#ifndef NETWARE /* The below two functions not supported on NetWare */
#if MYSQL_VERSION_ID < 40000
PHP_FE(mysql_create_db, NULL)
PHP_FE(mysql_drop_db, NULL)
#endif
#endif /* NETWARE */
PHP_FE(mysql_query, NULL)
PHP_FE(mysql_unbuffered_query, NULL)
PHP_FE(mysql_db_query, NULL)
PHP_FE(mysql_list_dbs, NULL)
PHP_FE(mysql_list_tables, NULL)
PHP_FE(mysql_list_fields, NULL)
PHP_FE(mysql_list_processes, NULL)
PHP_FE(mysql_error, NULL)
#ifdef HAVE_MYSQL_ERRNO
PHP_FE(mysql_errno, NULL)
#endif
PHP_FE(mysql_affected_rows, NULL)
PHP_FE(mysql_insert_id, NULL)
PHP_FE(mysql_result, NULL)
PHP_FE(mysql_num_rows, NULL)
PHP_FE(mysql_num_fields, NULL)
PHP_FE(mysql_fetch_row, NULL)
PHP_FE(mysql_fetch_array, NULL)
PHP_FE(mysql_fetch_assoc, NULL)
PHP_FE(mysql_fetch_object, NULL)
PHP_FE(mysql_data_seek, NULL)
PHP_FE(mysql_fetch_lengths, NULL)
PHP_FE(mysql_fetch_field, NULL)
PHP_FE(mysql_field_seek, NULL)
PHP_FE(mysql_free_result, NULL)
PHP_FE(mysql_field_name, NULL)
PHP_FE(mysql_field_table, NULL)
PHP_FE(mysql_field_len, NULL)
PHP_FE(mysql_field_type, NULL)
PHP_FE(mysql_field_flags, NULL)
PHP_FE(mysql_escape_string, NULL)
PHP_FE(mysql_real_escape_string, NULL)
PHP_FE(mysql_stat, NULL)
PHP_FE(mysql_thread_id, NULL)
PHP_FE(mysql_client_encoding, NULL)
PHP_FE(mysql_ping, NULL)
#ifdef HAVE_GETINFO_FUNCS
PHP_FE(mysql_get_client_info, NULL)
PHP_FE(mysql_get_host_info, NULL)
PHP_FE(mysql_get_proto_info, NULL)
PHP_FE(mysql_get_server_info, NULL)
#endif
PHP_FE(mysql_info, NULL)
/* for downwards compatability */
PHP_FALIAS(mysql, mysql_db_query, NULL)
PHP_FALIAS(mysql_fieldname, mysql_field_name, NULL)
PHP_FALIAS(mysql_fieldtable, mysql_field_table, NULL)
PHP_FALIAS(mysql_fieldlen, mysql_field_len, NULL)
PHP_FALIAS(mysql_fieldtype, mysql_field_type, NULL)
PHP_FALIAS(mysql_fieldflags, mysql_field_flags, NULL)
PHP_FALIAS(mysql_selectdb, mysql_select_db, NULL)
#ifndef NETWARE /* The below two functions not supported on NetWare */
#if MYSQL_VERSION_ID < 40000
PHP_FALIAS(mysql_createdb, mysql_create_db, NULL)
PHP_FALIAS(mysql_dropdb, mysql_drop_db, NULL)
#endif
#endif /* NETWARE */
PHP_FALIAS(mysql_freeresult, mysql_free_result, NULL)
PHP_FALIAS(mysql_numfields, mysql_num_fields, NULL)
PHP_FALIAS(mysql_numrows, mysql_num_rows, NULL)
PHP_FALIAS(mysql_listdbs, mysql_list_dbs, NULL)
PHP_FALIAS(mysql_listtables, mysql_list_tables, NULL)
PHP_FALIAS(mysql_listfields, mysql_list_fields, NULL)
PHP_FALIAS(mysql_db_name, mysql_result, NULL)
PHP_FALIAS(mysql_dbname, mysql_result, NULL)
PHP_FALIAS(mysql_tablename, mysql_result, NULL)
PHP_FALIAS(mysql_table_name, mysql_result, NULL)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ mysql_module_entry
*/
zend_module_entry mysql_module_entry = {
STANDARD_MODULE_HEADER,
"mysql",
mysql_functions,
ZEND_MODULE_STARTUP_N(mysql),
PHP_MSHUTDOWN(mysql),
PHP_RINIT(mysql),
PHP_RSHUTDOWN(mysql),
PHP_MINFO(mysql),
"1.0",
PHP_MODULE_GLOBALS(mysql),
PHP_GINIT(mysql),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
#ifdef COMPILE_DL_MYSQL
ZEND_GET_MODULE(mysql)
#endif
void timeout(int sig);
#define CHECK_LINK(link) { if (link==-1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "A link to the server could not be established"); RETURN_FALSE; } }
#define PHPMY_UNBUFFERED_QUERY_CHECK() \
{ \
if (mysql->active_result_id) { \
do { \
int type; \
MYSQL_RES *mysql_result; \
\
mysql_result = (MYSQL_RES *) zend_list_find(mysql->active_result_id, &type); \
if (mysql_result && type==le_result) { \
if (!mysql_eof(mysql_result)) { \
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Function called without first fetching all rows from a previous unbuffered query"); \
while (mysql_fetch_row(mysql_result)); \
} \
zend_list_delete(mysql->active_result_id); \
mysql->active_result_id = 0; \
} \
} while(0); \
} \
} \
/* {{{ _free_mysql_result
* This wrapper is required since mysql_free_result() returns an integer, and
* thus, cannot be used directly
*/
static void _free_mysql_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
MYSQL_RES *mysql_result = (MYSQL_RES *)rsrc->ptr;
mysql_free_result(mysql_result);
MySG(result_allocated)--;
}
/* }}} */
/* {{{ php_mysql_set_default_link
*/
static void php_mysql_set_default_link(int id TSRMLS_DC)
{
if (MySG(default_link) != -1) {
zend_list_delete(MySG(default_link));
}
MySG(default_link) = id;
zend_list_addref(id);
}
/* }}} */
/* {{{ php_mysql_select_db
*/
static int php_mysql_select_db(php_mysql_conn *mysql, char *db TSRMLS_DC)
{
PHPMY_UNBUFFERED_QUERY_CHECK();
if (mysql_select_db(&mysql->conn, db) != 0) {
return 0;
} else {
return 1;
}
}
/* }}} */
/* {{{ _close_mysql_link
*/
static void _close_mysql_link(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
php_mysql_conn *link = (php_mysql_conn *)rsrc->ptr;
void (*handler) (int);
handler = signal(SIGPIPE, SIG_IGN);
mysql_close(&link->conn);
signal(SIGPIPE, handler);
efree(link);
MySG(num_links)--;
}
/* }}} */
/* {{{ _close_mysql_plink
*/
static void _close_mysql_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
php_mysql_conn *link = (php_mysql_conn *)rsrc->ptr;
void (*handler) (int);
handler = signal(SIGPIPE, SIG_IGN);
mysql_close(&link->conn);
signal(SIGPIPE, handler);
free(link);
MySG(num_persistent)--;
MySG(num_links)--;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnMySQLPort)
{
if (new_value != NULL) { /* default port */
MySG(default_port) = atoi(new_value);
} else {
MySG(default_port) = -1;
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI */
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("mysql.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_persistent, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY_EX("mysql.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_mysql_globals, mysql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mysql.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_mysql_globals, mysql_globals, display_link_numbers)
STD_PHP_INI_ENTRY("mysql.default_host", NULL, PHP_INI_ALL, OnUpdateString, default_host, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY("mysql.default_user", NULL, PHP_INI_ALL, OnUpdateString, default_user, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY("mysql.default_password", NULL, PHP_INI_ALL, OnUpdateString, default_password, zend_mysql_globals, mysql_globals)
PHP_INI_ENTRY("mysql.default_port", NULL, PHP_INI_ALL, OnMySQLPort)
STD_PHP_INI_ENTRY("mysql.default_socket", NULL, PHP_INI_ALL, OnUpdateStringUnempty, default_socket, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY("mysql.connect_timeout", "60", PHP_INI_ALL, OnUpdateLong, connect_timeout, zend_mysql_globals, mysql_globals)
STD_PHP_INI_BOOLEAN("mysql.trace_mode", "0", PHP_INI_ALL, OnUpdateLong, trace_mode, zend_mysql_globals, mysql_globals)
PHP_INI_END()
/* }}} */
/* {{{ PHP_GINIT_FUNCTION
*/
static PHP_GINIT_FUNCTION(mysql)
{
mysql_globals->num_persistent = 0;
mysql_globals->default_socket = NULL;
mysql_globals->default_host = NULL;
mysql_globals->default_user = NULL;
mysql_globals->default_password = NULL;
mysql_globals->connect_errno = 0;
mysql_globals->connect_error = NULL;
mysql_globals->connect_timeout = 0;
mysql_globals->trace_mode = 0;
mysql_globals->result_allocated = 0;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
ZEND_MODULE_STARTUP_D(mysql)
{
REGISTER_INI_ENTRIES();
le_result = zend_register_list_destructors_ex(_free_mysql_result, NULL, "mysql result", module_number);
le_link = zend_register_list_destructors_ex(_close_mysql_link, NULL, "mysql link", module_number);
le_plink = zend_register_list_destructors_ex(NULL, _close_mysql_plink, "mysql link persistent", module_number);
Z_TYPE(mysql_module_entry) = type;
REGISTER_LONG_CONSTANT("MYSQL_ASSOC", MYSQL_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_NUM", MYSQL_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_BOTH", MYSQL_BOTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_COMPRESS", CLIENT_COMPRESS, CONST_CS | CONST_PERSISTENT);
#if MYSQL_VERSION_ID >= 40000
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_SSL", CLIENT_SSL, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_INTERACTIVE", CLIENT_INTERACTIVE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_IGNORE_SPACE", CLIENT_IGNORE_SPACE, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(mysql)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RINIT_FUNCTION
*/
PHP_RINIT_FUNCTION(mysql)
{
MySG(default_link)=-1;
MySG(num_links) = MySG(num_persistent);
/* Reset connect error/errno on every request */
MySG(connect_error) = NULL;
MySG(connect_errno) =0;
MySG(result_allocated) = 0;
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RSHUTDOWN_FUNCTION
*/
PHP_RSHUTDOWN_FUNCTION(mysql)
{
if (MySG(trace_mode)) {
if (MySG(result_allocated)){
php_error_docref("function.mysql-free-result" TSRMLS_CC, E_WARNING, "%lu result set(s) not freed. Use mysql_free_result to free result sets which were requested using mysql_query()", MySG(result_allocated));
}
}
if (MySG(connect_error)!=NULL) {
efree(MySG(connect_error));
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(mysql)
{
char buf[32];
php_info_print_table_start();
php_info_print_table_header(2, "MySQL Support", "enabled");
sprintf(buf, "%ld", MySG(num_persistent));
php_info_print_table_row(2, "Active Persistent Links", buf);
sprintf(buf, "%ld", MySG(num_links));
php_info_print_table_row(2, "Active Links", buf);
php_info_print_table_row(2, "Client API version", mysql_get_client_info());
#if !defined (PHP_WIN32) && !defined (NETWARE)
php_info_print_table_row(2, "MYSQL_MODULE_TYPE", PHP_MYSQL_TYPE);
php_info_print_table_row(2, "MYSQL_SOCKET", MYSQL_UNIX_ADDR);
php_info_print_table_row(2, "MYSQL_INCLUDE", PHP_MYSQL_INCLUDE);
php_info_print_table_row(2, "MYSQL_LIBS", PHP_MYSQL_LIBS);
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ php_mysql_do_connect
*/
#define MYSQL_DO_CONNECT_CLEANUP() \
if (free_host) { \
efree(host); \
}
#define MYSQL_DO_CONNECT_RETURN_FALSE() \
MYSQL_DO_CONNECT_CLEANUP(); \
RETURN_FALSE;
static void php_mysql_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *user=NULL, *passwd=NULL, *host_and_port=NULL, *socket=NULL, *tmp=NULL, *host=NULL;
char *hashed_details=NULL;
int hashed_details_length, port = MYSQL_PORT;
int client_flags = 0;
php_mysql_conn *mysql=NULL;
#if MYSQL_VERSION_ID <= 32230
void (*handler) (int);
#endif
zval **z_host=NULL, **z_user=NULL, **z_passwd=NULL, **z_new_link=NULL, **z_client_flags=NULL;
zend_bool free_host=0, new_link=0;
long connect_timeout;
connect_timeout = MySG(connect_timeout);
socket = MySG(default_socket);
if (MySG(default_port) < 0) {
#if !defined(PHP_WIN32) && !defined(NETWARE)
struct servent *serv_ptr;
char *env;
MySG(default_port) = MYSQL_PORT;
if ((serv_ptr = getservbyname("mysql", "tcp"))) {
MySG(default_port) = (uint) ntohs((ushort) serv_ptr->s_port);
}
if ((env = getenv("MYSQL_TCP_PORT"))) {
MySG(default_port) = (uint) atoi(env);
}
#else
MySG(default_port) = MYSQL_PORT;
#endif
}
if (PG(sql_safe_mode)) {
if (ZEND_NUM_ARGS()>0) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "SQL safe mode in effect - ignoring host/user/password information");
}
host_and_port=passwd=NULL;
user=php_get_current_user();
hashed_details_length = strlen(user)+5+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details, "mysql__%s_", user);
client_flags = CLIENT_INTERACTIVE;
} else {
host_and_port = MySG(default_host);
user = MySG(default_user);
passwd = MySG(default_password);
switch(ZEND_NUM_ARGS()) {
case 0: /* defaults */
break;
case 1: {
if (zend_get_parameters_ex(1, &z_host)==FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
}
break;
case 2: {
if (zend_get_parameters_ex(2, &z_host, &z_user)==FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
convert_to_string_ex(z_user);
user = Z_STRVAL_PP(z_user);
}
break;
case 3: {
if (zend_get_parameters_ex(3, &z_host, &z_user, &z_passwd) == FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
convert_to_string_ex(z_user);
convert_to_string_ex(z_passwd);
user = Z_STRVAL_PP(z_user);
passwd = Z_STRVAL_PP(z_passwd);
}
break;
case 4: {
if (!persistent) {
if (zend_get_parameters_ex(4, &z_host, &z_user, &z_passwd, &z_new_link) == FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
convert_to_string_ex(z_user);
convert_to_string_ex(z_passwd);
convert_to_boolean_ex(z_new_link);
user = Z_STRVAL_PP(z_user);
passwd = Z_STRVAL_PP(z_passwd);
new_link = Z_BVAL_PP(z_new_link);
}
else {
if (zend_get_parameters_ex(4, &z_host, &z_user, &z_passwd, &z_client_flags) == FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
convert_to_string_ex(z_user);
convert_to_string_ex(z_passwd);
convert_to_long_ex(z_client_flags);
user = Z_STRVAL_PP(z_user);
passwd = Z_STRVAL_PP(z_passwd);
client_flags = Z_LVAL_PP(z_client_flags);
}
}
break;
case 5: {
if (zend_get_parameters_ex(5, &z_host, &z_user, &z_passwd, &z_new_link, &z_client_flags) == FAILURE) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
convert_to_string_ex(z_user);
convert_to_string_ex(z_passwd);
convert_to_boolean_ex(z_new_link);
convert_to_long_ex(z_client_flags);
user = Z_STRVAL_PP(z_user);
passwd = Z_STRVAL_PP(z_passwd);
new_link = Z_BVAL_PP(z_new_link);
client_flags = Z_LVAL_PP(z_client_flags);
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
/* disable local infile option for open_basedir */
if (PG(open_basedir) && strlen(PG(open_basedir)) && (client_flags & CLIENT_LOCAL_FILES)) {
client_flags ^= CLIENT_LOCAL_FILES;
}
if (z_host) {
SEPARATE_ZVAL(z_host); /* We may modify z_host if it contains a port, separate */
convert_to_string_ex(z_host);
host_and_port = Z_STRVAL_PP(z_host);
if (z_user) {
convert_to_string_ex(z_user);
user = Z_STRVAL_PP(z_user);
if (z_passwd) {
convert_to_string_ex(z_passwd);
passwd = Z_STRVAL_PP(z_passwd);
}
}
}
hashed_details_length = sizeof("mysql___")-1 + strlen(SAFE_STRING(host_and_port))+strlen(SAFE_STRING(user))+strlen(SAFE_STRING(passwd));
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details, "mysql_%s_%s_%s", SAFE_STRING(host_and_port), SAFE_STRING(user), SAFE_STRING(passwd));
}
/* We cannot use mysql_port anymore in windows, need to use
* mysql_real_connect() to set the port.
*/
if (host_and_port && (tmp=strchr(host_and_port, ':'))) {
host = estrndup(host_and_port, tmp-host_and_port);
free_host = 1;
tmp++;
if (tmp[0] != '/') {
port = atoi(tmp);
if ((tmp=strchr(tmp, ':'))) {
tmp++;
socket=tmp;
}
} else {
socket = tmp;
}
} else {
host = host_and_port;
port = MySG(default_port);
}
#if MYSQL_VERSION_ID < 32200
mysql_port = port;
#endif
if (!MySG(allow_persistent)) {
persistent=0;
}
if (persistent) {
zend_rsrc_list_entry *le;
/* try to find if we already have this link in our persistent list */
if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */
zend_rsrc_list_entry new_le;
if (MySG(max_links)!=-1 && MySG(num_links)>=MySG(max_links)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%ld)", MySG(num_links));
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
if (MySG(max_persistent)!=-1 && MySG(num_persistent)>=MySG(max_persistent)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open persistent links (%ld)", MySG(num_persistent));
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
/* create the link */
mysql = (php_mysql_conn *) malloc(sizeof(php_mysql_conn));
mysql->active_result_id = 0;
#if MYSQL_VERSION_ID > 32199 /* this lets us set the port number */
mysql_init(&mysql->conn);
if (connect_timeout != -1)
mysql_options(&mysql->conn, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&connect_timeout);
if (mysql_real_connect(&mysql->conn, host, user, passwd, NULL, port, socket, client_flags)==NULL) {
#else
if (mysql_connect(&mysql->conn, host, user, passwd)==NULL) {
#endif
/* Populate connect error globals so that the error functions can read them */
if (MySG(connect_error)!=NULL) efree(MySG(connect_error));
MySG(connect_error)=estrdup(mysql_error(&mysql->conn));
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", MySG(connect_error));
#if defined(HAVE_MYSQL_ERRNO)
MySG(connect_errno)=mysql_errno(&mysql->conn);
#endif
free(mysql);
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
/* hash it up */
Z_TYPE(new_le) = le_plink;
new_le.ptr = mysql;
if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
free(mysql);
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
MySG(num_persistent)++;
MySG(num_links)++;
} else { /* The link is in our list of persistent connections */
if (Z_TYPE_P(le) != le_plink) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
/* ensure that the link did not die */
#if MYSQL_VERSION_ID > 32230 /* Use mysql_ping to ensure link is alive (and to reconnect if needed) */
if (mysql_ping(le->ptr)) {
#else /* Use mysql_stat() to check if server is alive */
handler=signal(SIGPIPE, SIG_IGN);
#if defined(HAVE_MYSQL_ERRNO) && defined(CR_SERVER_GONE_ERROR)
mysql_stat(le->ptr);
if (mysql_errno(&((php_mysql_conn *) le->ptr)->conn) == CR_SERVER_GONE_ERROR) {
#else
if (!strcasecmp(mysql_stat(le->ptr), "mysql server has gone away")) { /* the link died */
#endif
signal(SIGPIPE, handler);
#endif /* end mysql_ping */
#if MYSQL_VERSION_ID > 32199 /* this lets us set the port number */
if (mysql_real_connect(le->ptr, host, user, passwd, NULL, port, socket, client_flags)==NULL) {
#else
if (mysql_connect(le->ptr, host, user, passwd)==NULL) {
#endif
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Link to server lost, unable to reconnect");
zend_hash_del(&EG(persistent_list), hashed_details, hashed_details_length+1);
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
}
#if MYSQL_VERSION_ID < 32231
signal(SIGPIPE, handler);
#endif
mysql = (php_mysql_conn *) le->ptr;
}
ZEND_REGISTER_RESOURCE(return_value, mysql, le_plink);
} else { /* non persistent */
zend_rsrc_list_entry *index_ptr, new_index_ptr;
/* first we check the hash for the hashed_details key. if it exists,
* it should point us to the right offset where the actual mysql link sits.
* if it doesn't, open a new mysql link, add it to the resource list,
* and add a pointer to it with hashed_details as the key.
*/
if (!new_link && zend_hash_find(&EG(regular_list), hashed_details, hashed_details_length+1,(void **) &index_ptr)==SUCCESS) {
int type;
long link;
void *ptr;
if (Z_TYPE_P(index_ptr) != le_index_ptr) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
link = (long) index_ptr->ptr;
ptr = zend_list_find(link,&type); /* check if the link is still there */
if (ptr && (type==le_link || type==le_plink)) {
zend_list_addref(link);
Z_LVAL_P(return_value) = link;
php_mysql_set_default_link(link TSRMLS_CC);
Z_TYPE_P(return_value) = IS_RESOURCE;
efree(hashed_details);
MYSQL_DO_CONNECT_CLEANUP();
return;
} else {
zend_hash_del(&EG(regular_list), hashed_details, hashed_details_length+1);
}
}
if (MySG(max_links)!=-1 && MySG(num_links)>=MySG(max_links)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%ld)", MySG(num_links));
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
mysql = (php_mysql_conn *) emalloc(sizeof(php_mysql_conn));
mysql->active_result_id = 0;
#if MYSQL_VERSION_ID > 32199 /* this lets us set the port number */
mysql_init(&mysql->conn);
if (connect_timeout != -1)
mysql_options(&mysql->conn, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&connect_timeout);
if (mysql_real_connect(&mysql->conn, host, user, passwd, NULL, port, socket, client_flags)==NULL) {
#else
if (mysql_connect(&mysql->conn, host, user, passwd)==NULL) {
#endif
/* Populate connect error globals so that the error functions can read them */
if (MySG(connect_error)!=NULL) efree(MySG(connect_error));
MySG(connect_error)=estrdup(mysql_error(&mysql->conn));
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", MySG(connect_error));
#if defined(HAVE_MYSQL_ERRNO)
MySG(connect_errno)=mysql_errno(&mysql->conn);
#endif
efree(hashed_details);
efree(mysql);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
/* add it to the list */
ZEND_REGISTER_RESOURCE(return_value, mysql, le_link);
/* add it to the hash */
new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
Z_TYPE(new_index_ptr) = le_index_ptr;
if (zend_hash_update(&EG(regular_list), hashed_details, hashed_details_length+1,(void *) &new_index_ptr, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
efree(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
MySG(num_links)++;
}
efree(hashed_details);
php_mysql_set_default_link(Z_LVAL_P(return_value) TSRMLS_CC);
MYSQL_DO_CONNECT_CLEANUP();
}
/* }}} */
/* {{{ php_mysql_get_default_link
*/
static int php_mysql_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
{
if (MySG(default_link)==-1) { /* no link opened yet, implicitly open one */
ht = 0;
php_mysql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
return MySG(default_link);
}
/* }}} */
/* {{{ proto resource mysql_connect([string hostname[:port][:/path/to/socket] [, string username [, string password [, bool new [, int flags]]]]])
Opens a connection to a MySQL Server */
PHP_FUNCTION(mysql_connect)
{
php_mysql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto resource mysql_pconnect([string hostname[:port][:/path/to/socket] [, string username [, string password [, int flags]]]])
Opens a persistent connection to a MySQL Server */
PHP_FUNCTION(mysql_pconnect)
{
php_mysql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ proto bool mysql_close([int link_identifier])
Close a MySQL connection */
PHP_FUNCTION(mysql_close)
{
zval **mysql_link=NULL;
int id;
php_mysql_conn *mysql;
switch (ZEND_NUM_ARGS()) {
case 0:
id = MySG(default_link);
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
if (id==-1) { /* explicit resource number */
PHPMY_UNBUFFERED_QUERY_CHECK();
zend_list_delete(Z_RESVAL_PP(mysql_link));
}
if (id!=-1
|| (mysql_link && Z_RESVAL_PP(mysql_link)==MySG(default_link))) {
PHPMY_UNBUFFERED_QUERY_CHECK();
zend_list_delete(MySG(default_link));
MySG(default_link) = -1;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysql_select_db(string database_name [, int link_identifier])
Selects a MySQL database */
PHP_FUNCTION(mysql_select_db)
{
zval **db, **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (zend_get_parameters_ex(2, &db, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
convert_to_string_ex(db);
if (php_mysql_select_db(mysql, Z_STRVAL_PP(db) TSRMLS_CC)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
#ifdef HAVE_GETINFO_FUNCS
/* {{{ proto string mysql_get_client_info(void)
Returns a string that represents the client library version */
PHP_FUNCTION(mysql_get_client_info)
{
if (ZEND_NUM_ARGS() != 0) {
WRONG_PARAM_COUNT;
}
RETURN_STRING((char *)mysql_get_client_info(),1);
}
/* }}} */
/* {{{ proto string mysql_get_host_info([int link_identifier])
Returns a string describing the type of connection in use, including the server host name */
PHP_FUNCTION(mysql_get_host_info)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1,&mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_STRING((char *)mysql_get_host_info(&mysql->conn),1);
}
/* }}} */
/* {{{ proto int mysql_get_proto_info([int link_identifier])
Returns the protocol version used by current connection */
PHP_FUNCTION(mysql_get_proto_info)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1,&mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_LONG(mysql_get_proto_info(&mysql->conn));
}
/* }}} */
/* {{{ proto string mysql_get_server_info([int link_identifier])
Returns a string that represents the server version number */
PHP_FUNCTION(mysql_get_server_info)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1,&mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_STRING((char *)mysql_get_server_info(&mysql->conn),1);
}
/* }}} */
/* {{{ proto string mysql_info([int link_identifier])
Returns a string containing information about the most recent query */
PHP_FUNCTION(mysql_info)
{
zval *mysql_link;
int id = -1;
char *str;
php_mysql_conn *mysql;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 0) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
if ((str = (char *)mysql_info(&mysql->conn))) {
RETURN_STRING(str,1);
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto int mysql_thread_id([int link_identifier])
Returns the thread id of current connection */
PHP_FUNCTION(mysql_thread_id)
{
zval *mysql_link = NULL;
int id = -1;
php_mysql_conn *mysql;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 0) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_LONG(mysql_thread_id(&mysql->conn));
}
/* }}} */
/* {{{ proto string mysql_stat([int link_identifier])
Returns a string containing status information */
PHP_FUNCTION(mysql_stat)
{
zval *mysql_link = NULL;
int id = -1;
php_mysql_conn *mysql;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 0) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
PHPMY_UNBUFFERED_QUERY_CHECK();
RETURN_STRING((char *)mysql_stat(&mysql->conn), 1);
}
/* }}} */
/* {{{ proto string mysql_client_encoding([int link_identifier])
Returns the default character set for the current connection */
PHP_FUNCTION(mysql_client_encoding)
{
zval *mysql_link = NULL;
int id = -1;
php_mysql_conn *mysql;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 0) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_STRING((char *)mysql_character_set_name(&mysql->conn), 1);
}
/* }}} */
#endif
#ifndef NETWARE /* The below two functions not supported on NetWare */
#if MYSQL_VERSION_ID < 40000
/* {{{ proto bool mysql_create_db(string database_name [, int link_identifier])
Create a MySQL database */
PHP_FUNCTION(mysql_create_db)
{
zval **db, **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (zend_get_parameters_ex(2, &db, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "This function is deprecated, please use mysql_query() to issue a SQL CREATE DATABASE statement instead.");
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
PHPMY_UNBUFFERED_QUERY_CHECK();
convert_to_string_ex(db);
if (mysql_create_db(&mysql->conn, Z_STRVAL_PP(db))==0) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool mysql_drop_db(string database_name [, int link_identifier])
Drops (delete) a MySQL database */
PHP_FUNCTION(mysql_drop_db)
{
zval **db, **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (zend_get_parameters_ex(2, &db, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "This function is deprecated, please use mysql_query() to issue a SQL DROP DATABASE statement instead.");
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
convert_to_string_ex(db);
if (mysql_drop_db(&mysql->conn, Z_STRVAL_PP(db))==0) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
#endif
#endif /* NETWARE */
/* {{{ php_mysql_do_query_general
*/
static void php_mysql_do_query_general(zval **query, zval **mysql_link, int link_id, zval **db, int use_store, zval *return_value TSRMLS_DC)
{
php_mysql_conn *mysql;
MYSQL_RES *mysql_result;
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, link_id, "MySQL-Link", le_link, le_plink);
if (db) {
convert_to_string_ex(db);
if (!php_mysql_select_db(mysql, Z_STRVAL_PP(db) TSRMLS_CC)) {
RETURN_FALSE;
}
}
PHPMY_UNBUFFERED_QUERY_CHECK();
convert_to_string_ex(query);
/* check explain */
if (MySG(trace_mode)) {
if (!strncasecmp("select", Z_STRVAL_PP(query), 6)){
MYSQL_ROW row;
char *newquery = (char *)emalloc(Z_STRLEN_PP(query) + 10);
sprintf ((char *)newquery, "EXPLAIN %s", Z_STRVAL_PP(query));
mysql_real_query(&mysql->conn, newquery, strlen(newquery));
efree (newquery);
if (mysql_errno(&mysql->conn)) {
php_error_docref("http://www.mysql.com/doc" TSRMLS_CC, E_WARNING, "%s", mysql_error(&mysql->conn));
RETURN_FALSE;
}
else {
mysql_result = mysql_use_result(&mysql->conn);
while ((row = mysql_fetch_row(mysql_result))) {
if (!strcmp("ALL", row[1])) {
php_error_docref("http://www.mysql.com/doc" TSRMLS_CC, E_WARNING, "Your query requires a full tablescan (table %s, %s rows affected). Use EXPLAIN to optimize your query.", row[0], row[6]);
} else if (!strcmp("INDEX", row[1])) {
php_error_docref("http://www.mysql.com/doc" TSRMLS_CC, E_WARNING, "Your query requires a full indexscan (table %s, %s rows affected). Use EXPLAIN to optimize your query.", row[0], row[6]);
}
}
mysql_free_result(mysql_result);
}
}
} /* end explain */
/* mysql_query is binary unsafe, use mysql_real_query */
#if MYSQL_VERSION_ID > 32199
if (mysql_real_query(&mysql->conn, Z_STRVAL_PP(query), Z_STRLEN_PP(query))!=0) {
/* check possible error */
if (MySG(trace_mode)){
if (mysql_errno(&mysql->conn)){
php_error_docref("http://www.mysql.com/doc" TSRMLS_CC, E_WARNING, "%s", mysql_error(&mysql->conn));
}
}
RETURN_FALSE;
}
#else
if (mysql_query(&mysql->conn, Z_STRVAL_PP(query))!=0) {
/* check possible error */
if (MySG(trace_mode)){
if (mysql_errno(&mysql->conn)){
php_error_docref("http://www.mysql.com/doc" TSRMLS_CC, E_WARNING, "%s", mysql_error(&mysql->conn));
}
}
RETURN_FALSE;
}
#endif
if(use_store == MYSQL_USE_RESULT) {
mysql_result=mysql_use_result(&mysql->conn);
} else {
mysql_result=mysql_store_result(&mysql->conn);
}
if (!mysql_result) {
if (PHP_MYSQL_VALID_RESULT(&mysql->conn)) { /* query should have returned rows */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save result set");
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
MySG(result_allocated)++;
ZEND_REGISTER_RESOURCE(return_value, mysql_result, le_result);
if (use_store == MYSQL_USE_RESULT) {
mysql->active_result_id = Z_LVAL_P(return_value);
}
}
/* }}} */
/* {{{ php_mysql_do_query
*/
static void php_mysql_do_query(INTERNAL_FUNCTION_PARAMETERS, int use_store)
{
zval **query, **mysql_link;
int id;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &query)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (zend_get_parameters_ex(2, &query, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
php_mysql_do_query_general(query, mysql_link, id, NULL, use_store, return_value TSRMLS_CC);
}
/* }}} */
/* {{{ proto resource mysql_query(string query [, int link_identifier])
Sends an SQL query to MySQL */
PHP_FUNCTION(mysql_query)
{
php_mysql_do_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQL_STORE_RESULT);
}
/* }}} */
/* {{{ proto resource mysql_unbuffered_query(string query [, int link_identifier])
Sends an SQL query to MySQL, without fetching and buffering the result rows */
PHP_FUNCTION(mysql_unbuffered_query)
{
php_mysql_do_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQL_USE_RESULT);
}
/* }}} */
/* {{{ proto resource mysql_db_query(string database_name, string query [, int link_identifier])
Sends an SQL query to MySQL */
PHP_FUNCTION(mysql_db_query)
{
zval **db, **query, **mysql_link;
int id;
switch(ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters_ex(2, &db, &query)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 3:
if (zend_get_parameters_ex(3, &db, &query, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
if (MySG(trace_mode) || !strcasecmp(get_active_function_name(TSRMLS_C), "mysql")) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "This function is deprecated; use mysql_query() instead.");
}
php_mysql_do_query_general(query, mysql_link, id, db, MYSQL_STORE_RESULT, return_value TSRMLS_CC);
}
/* }}} */
/* {{{ proto resource mysql_list_dbs([int link_identifier])
List databases available on a MySQL server */
PHP_FUNCTION(mysql_list_dbs)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
MYSQL_RES *mysql_result;
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
PHPMY_UNBUFFERED_QUERY_CHECK();
if ((mysql_result=mysql_list_dbs(&mysql->conn, NULL))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save MySQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, mysql_result, le_result);
}
/* }}} */
/* {{{ proto resource mysql_list_tables(string database_name [, int link_identifier])
List tables in a MySQL database */
PHP_FUNCTION(mysql_list_tables)
{
zval **db, **mysql_link;
int id;
php_mysql_conn *mysql;
MYSQL_RES *mysql_result;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (zend_get_parameters_ex(2, &db, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
php_error_docref(NULL TSRMLS_CC, E_STRICT, "mysql_list_tables() is deprecated");
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
convert_to_string_ex(db);
if (!php_mysql_select_db(mysql, Z_STRVAL_PP(db) TSRMLS_CC)) {
RETURN_FALSE;
}
PHPMY_UNBUFFERED_QUERY_CHECK();
if ((mysql_result=mysql_list_tables(&mysql->conn, NULL))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save MySQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, mysql_result, le_result);
}
/* }}} */
/* {{{ proto resource mysql_list_fields(string database_name, string table_name [, int link_identifier])
List MySQL result fields */
PHP_FUNCTION(mysql_list_fields)
{
zval **db, **table, **mysql_link;
int id;
php_mysql_conn *mysql;
MYSQL_RES *mysql_result;
switch(ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters_ex(2, &db, &table)==FAILURE) {
RETURN_FALSE;
}
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 3:
if (zend_get_parameters_ex(3, &db, &table, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
convert_to_string_ex(db);
if (!php_mysql_select_db(mysql, Z_STRVAL_PP(db) TSRMLS_CC)) {
RETURN_FALSE;
}
PHPMY_UNBUFFERED_QUERY_CHECK();
convert_to_string_ex(table);
if ((mysql_result=mysql_list_fields(&mysql->conn, Z_STRVAL_PP(table), NULL))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save MySQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, mysql_result, le_result);
}
/* }}} */
/* {{{ proto resource mysql_list_processes([int link_identifier])
Returns a result set describing the current server threads */
PHP_FUNCTION(mysql_list_processes)
{
zval *mysql_link = NULL;
int id = -1;
php_mysql_conn *mysql;
MYSQL_RES *mysql_result;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 0) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
PHPMY_UNBUFFERED_QUERY_CHECK();
mysql_result = mysql_list_processes(&mysql->conn);
if (mysql_result == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save MySQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, mysql_result, le_result);
}
/* }}} */
/* {{{ proto string mysql_error([int link_identifier])
Returns the text of the error message from previous MySQL operation */
PHP_FUNCTION(mysql_error)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = MySG(default_link);
if (id==-1) {
if (MySG(connect_error)!=NULL){
RETURN_STRING(MySG(connect_error),1);
} else {
RETURN_FALSE;
}
}
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_STRING((char *)mysql_error(&mysql->conn), 1);
}
/* }}} */
/* {{{ proto int mysql_errno([int link_identifier])
Returns the number of the error message from previous MySQL operation */
#ifdef HAVE_MYSQL_ERRNO
PHP_FUNCTION(mysql_errno)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = MySG(default_link);
if (id==-1) {
if (MySG(connect_errno)!=0){
RETURN_LONG(MySG(connect_errno));
} else {
RETURN_FALSE;
}
}
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
RETURN_LONG(mysql_errno(&mysql->conn));
}
#endif
/* }}} */
/* {{{ proto int mysql_affected_rows([int link_identifier])
Gets number of affected rows in previous MySQL operation */
PHP_FUNCTION(mysql_affected_rows)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = MySG(default_link);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
/* conversion from int64 to long happing here */
Z_LVAL_P(return_value) = (long) mysql_affected_rows(&mysql->conn);
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto string mysql_escape_string(string to_be_escaped)
Escape string for mysql query */
PHP_FUNCTION(mysql_escape_string)
{
zval **str;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &str) == FAILURE) {
ZEND_WRONG_PARAM_COUNT();
}
convert_to_string_ex(str);
/* assume worst case situation, which is 2x of the original string.
* we don't realloc() down to the real size since it'd most probably not
* be worth it
*/
Z_STRVAL_P(return_value) = (char *) safe_emalloc(Z_STRLEN_PP(str), 2, 1);
Z_STRLEN_P(return_value) = mysql_escape_string(Z_STRVAL_P(return_value), Z_STRVAL_PP(str), Z_STRLEN_PP(str));
Z_TYPE_P(return_value) = IS_STRING;
if (MySG(trace_mode)){
php_error_docref("function.mysql-real-escape-string" TSRMLS_CC, E_WARNING, "This function is deprecated; use mysql_real_escape_string() instead.");
}
}
/* }}} */
/* {{{ proto string mysql_real_escape_string(string to_be_escaped [, int link_identifier])
Escape special characters in a string for use in a SQL statement, taking into account the current charset of the connection */
PHP_FUNCTION(mysql_real_escape_string)
{
zval *mysql_link = NULL;
char *str;
char *new_str;
int id = -1, str_len, new_str_len;
php_mysql_conn *mysql;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &str, &str_len, &mysql_link) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 1) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
new_str = safe_emalloc(str_len, 2, 1);
new_str_len = mysql_real_escape_string(&mysql->conn, new_str, str, str_len);
new_str = erealloc(new_str, new_str_len + 1);
RETURN_STRINGL(new_str, new_str_len, 0);
}
/* }}} */
/* {{{ proto int mysql_insert_id([int link_identifier])
Gets the ID generated from the previous INSERT operation */
PHP_FUNCTION(mysql_insert_id)
{
zval **mysql_link;
int id;
php_mysql_conn *mysql;
switch(ZEND_NUM_ARGS()) {
case 0:
id = MySG(default_link);
CHECK_LINK(id);
break;
case 1:
if (zend_get_parameters_ex(1, &mysql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, mysql_link, id, "MySQL-Link", le_link, le_plink);
/* conversion from int64 to long happing here */
Z_LVAL_P(return_value) = (long) mysql_insert_id(&mysql->conn);
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto mixed mysql_result(resource result, int row [, mixed field])
Gets result data */
PHP_FUNCTION(mysql_result)
{
zval **result, **row, **field=NULL;
MYSQL_RES *mysql_result;
MYSQL_ROW sql_row;
mysql_row_length_type *sql_row_lengths;
int field_offset=0;
switch (ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters_ex(2, &result, &row)==FAILURE) {
RETURN_FALSE;
}
break;
case 3:
if (zend_get_parameters_ex(3, &result, &row, &field)==FAILURE) {
RETURN_FALSE;
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
convert_to_long_ex(row);
if (Z_LVAL_PP(row)<0 || Z_LVAL_PP(row)>=(int)mysql_num_rows(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to jump to row %ld on MySQL result index %ld", Z_LVAL_PP(row), Z_LVAL_PP(result));
RETURN_FALSE;
}
mysql_data_seek(mysql_result, Z_LVAL_PP(row));
if ((sql_row=mysql_fetch_row(mysql_result))==NULL
|| (sql_row_lengths=mysql_fetch_lengths(mysql_result))==NULL) { /* shouldn't happen? */
RETURN_FALSE;
}
if (field) {
switch(Z_TYPE_PP(field)) {
case IS_STRING: {
int i=0;
MYSQL_FIELD *tmp_field;
char *table_name, *field_name, *tmp;
if ((tmp=strchr(Z_STRVAL_PP(field), '.'))) {
table_name = estrndup(Z_STRVAL_PP(field), tmp-Z_STRVAL_PP(field));
field_name = estrdup(tmp+1);
} else {
table_name = NULL;
field_name = estrndup(Z_STRVAL_PP(field),Z_STRLEN_PP(field));
}
mysql_field_seek(mysql_result, 0);
while ((tmp_field=mysql_fetch_field(mysql_result))) {
if ((!table_name || !strcasecmp(tmp_field->table, table_name)) && !strcasecmp(tmp_field->name, field_name)) {
field_offset = i;
break;
}
i++;
}
if (!tmp_field) { /* no match found */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s%s%s not found in MySQL result index %ld",
(table_name?table_name:""), (table_name?".":""), field_name, Z_LVAL_PP(result));
efree(field_name);
if (table_name) {
efree(table_name);
}
RETURN_FALSE;
}
efree(field_name);
if (table_name) {
efree(table_name);
}
}
break;
default:
convert_to_long_ex(field);
field_offset = Z_LVAL_PP(field);
if (field_offset<0 || field_offset>=(int)mysql_num_fields(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad column offset specified");
RETURN_FALSE;
}
break;
}
}
if (sql_row[field_offset]) {
Z_TYPE_P(return_value) = IS_STRING;
if (PG(magic_quotes_runtime)) {
Z_STRVAL_P(return_value) = php_addslashes(sql_row[field_offset], sql_row_lengths[field_offset],&Z_STRLEN_P(return_value), 0 TSRMLS_CC);
} else {
Z_STRLEN_P(return_value) = sql_row_lengths[field_offset];
Z_STRVAL_P(return_value) = (char *) safe_estrndup(sql_row[field_offset], Z_STRLEN_P(return_value));
}
} else {
Z_TYPE_P(return_value) = IS_NULL;
}
}
/* }}} */
/* {{{ proto int mysql_num_rows(resource result)
Gets number of rows in a result */
PHP_FUNCTION(mysql_num_rows)
{
zval **result;
MYSQL_RES *mysql_result;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
/* conversion from int64 to long happing here */
Z_LVAL_P(return_value) = (long) mysql_num_rows(mysql_result);
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto int mysql_num_fields(resource result)
Gets number of fields in a result */
PHP_FUNCTION(mysql_num_fields)
{
zval **result;
MYSQL_RES *mysql_result;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
Z_LVAL_P(return_value) = mysql_num_fields(mysql_result);
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ php_mysql_fetch_hash
*/
static void php_mysql_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int result_type, int expected_args, int into_object)
{
zval **result, **arg2;
MYSQL_RES *mysql_result;
MYSQL_ROW mysql_row;
MYSQL_FIELD *mysql_field;
mysql_row_length_type *mysql_row_lengths;
int i;
zval *res, *ctor_params = NULL;
zend_class_entry *ce;
#ifdef ZEND_ENGINE_2
if (into_object) {
char *class_name;
int class_name_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|sz", &res, &class_name, &class_name_len, &ctor_params) == FAILURE) {
return;
}
result = &res;
if (ZEND_NUM_ARGS() < 2) {
ce = zend_standard_class_def;
} else {
ce = zend_fetch_class(class_name, class_name_len, ZEND_FETCH_CLASS_AUTO TSRMLS_CC);
}
if (!ce) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not find class '%s'", class_name);
return;
}
result_type = MYSQL_ASSOC;
} else
#endif
{
if (ZEND_NUM_ARGS() > expected_args) {
WRONG_PARAM_COUNT;
}
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &result)==FAILURE) {
RETURN_FALSE;
}
if (!result_type) {
result_type = MYSQL_BOTH;
}
break;
case 2:
if (zend_get_parameters_ex(2, &result, &arg2)==FAILURE) {
RETURN_FALSE;
}
convert_to_long_ex(arg2);
result_type = Z_LVAL_PP(arg2);
break;
default:
WRONG_PARAM_COUNT;
break;
}
}
if ((result_type & MYSQL_BOTH) == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "The result type should be either MYSQL_NUM, MYSQL_ASSOC or MYSQL_BOTH.");
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
if ((mysql_row=mysql_fetch_row(mysql_result))==NULL
|| (mysql_row_lengths=mysql_fetch_lengths(mysql_result))==NULL) {
RETURN_FALSE;
}
array_init(return_value);
mysql_field_seek(mysql_result, 0);
for (mysql_field=mysql_fetch_field(mysql_result), i=0; mysql_field; mysql_field=mysql_fetch_field(mysql_result), i++) {
if (mysql_row[i]) {
zval *data;
MAKE_STD_ZVAL(data);
if (PG(magic_quotes_runtime)) {
Z_TYPE_P(data) = IS_STRING;
Z_STRVAL_P(data) = php_addslashes(mysql_row[i], mysql_row_lengths[i], &Z_STRLEN_P(data), 0 TSRMLS_CC);
} else {
ZVAL_STRINGL(data, mysql_row[i], mysql_row_lengths[i], 1);
}
if (result_type & MYSQL_NUM) {
add_index_zval(return_value, i, data);
}
if (result_type & MYSQL_ASSOC) {
if (result_type & MYSQL_NUM) {
ZVAL_ADDREF(data);
}
add_assoc_zval(return_value, mysql_field->name, data);
}
} else {
/* NULL value. */
if (result_type & MYSQL_NUM) {
add_index_null(return_value, i);
}
if (result_type & MYSQL_ASSOC) {
add_assoc_null(return_value, mysql_field->name);
}
}
}
#ifdef ZEND_ENGINE_2
if (into_object) {
zval dataset = *return_value;
zend_fcall_info fci;
zend_fcall_info_cache fcc;
zval *retval_ptr;
object_and_properties_init(return_value, ce, NULL);
zend_merge_properties(return_value, Z_ARRVAL(dataset), 1 TSRMLS_CC);
if (ce->constructor) {
fci.size = sizeof(fci);
fci.function_table = &ce->function_table;
fci.function_name = NULL;
fci.symbol_table = NULL;
fci.object_pp = &return_value;
fci.retval_ptr_ptr = &retval_ptr;
if (ctor_params && Z_TYPE_P(ctor_params) != IS_NULL) {
if (Z_TYPE_P(ctor_params) == IS_ARRAY) {
HashTable *ht = Z_ARRVAL_P(ctor_params);
Bucket *p;
fci.param_count = 0;
fci.params = safe_emalloc(sizeof(zval*), ht->nNumOfElements, 0);
p = ht->pListHead;
while (p != NULL) {
fci.params[fci.param_count++] = (zval**)p->pData;
p = p->pListNext;
}
} else {
/* Two problems why we throw exceptions here: PHP is typeless
* and hence passing one argument that's not an array could be
* by mistake and the other way round is possible, too. The
* single value is an array. Also we'd have to make that one
* argument passed by reference.
*/
zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Parameter ctor_params must be an array", 0 TSRMLS_CC);
return;
}
} else {
fci.param_count = 0;
fci.params = NULL;
}
fci.no_separation = 1;
fcc.initialized = 1;
fcc.function_handler = ce->constructor;
fcc.calling_scope = EG(scope);
fcc.object_pp = &return_value;
if (zend_call_function(&fci, &fcc TSRMLS_CC) == FAILURE) {
zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "Could not execute %s::%s()", ce->name, ce->constructor->common.function_name);
} else {
if (retval_ptr) {
zval_ptr_dtor(&retval_ptr);
}
}
if (fci.params) {
efree(fci.params);
}
} else if (ctor_params) {
zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "Class %s does not have a constructor hence you cannot use ctor_params", ce->name);
}
}
#endif
}
/* }}} */
/* {{{ proto array mysql_fetch_row(resource result)
Gets a result row as an enumerated array */
PHP_FUNCTION(mysql_fetch_row)
{
php_mysql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQL_NUM, 1, 0);
}
/* }}} */
/* {{{ proto object mysql_fetch_object(resource result [, string class_name [, NULL|array ctor_params]])
Fetch a result row as an object */
PHP_FUNCTION(mysql_fetch_object)
{
php_mysql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQL_ASSOC, 2, 1);
if (Z_TYPE_P(return_value) == IS_ARRAY) {
object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
}
}
/* }}} */
/* {{{ proto array mysql_fetch_array(resource result [, int result_type])
Fetch a result row as an array (associative, numeric or both) */
PHP_FUNCTION(mysql_fetch_array)
{
php_mysql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 2, 0);
}
/* }}} */
/* {{{ proto array mysql_fetch_assoc(resource result)
Fetch a result row as an associative array */
PHP_FUNCTION(mysql_fetch_assoc)
{
php_mysql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQL_ASSOC, 1, 0);
}
/* }}} */
/* {{{ proto bool mysql_data_seek(resource result, int row_number)
Move internal result pointer */
PHP_FUNCTION(mysql_data_seek)
{
zval **result, **offset;
MYSQL_RES *mysql_result;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &result, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
convert_to_long_ex(offset);
if (Z_LVAL_PP(offset)<0 || Z_LVAL_PP(offset)>=(int)mysql_num_rows(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset %ld is invalid for MySQL result index %ld (or the query data is unbuffered)", Z_LVAL_PP(offset), Z_LVAL_PP(result));
RETURN_FALSE;
}
mysql_data_seek(mysql_result, Z_LVAL_PP(offset));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array mysql_fetch_lengths(resource result)
Gets max data size of each column in a result */
PHP_FUNCTION(mysql_fetch_lengths)
{
zval **result;
MYSQL_RES *mysql_result;
mysql_row_length_type *lengths;
int num_fields;
int i;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
if ((lengths=mysql_fetch_lengths(mysql_result))==NULL) {
RETURN_FALSE;
}
array_init(return_value);
num_fields = mysql_num_fields(mysql_result);
for (i=0; i<num_fields; i++) {
add_index_long(return_value, i, lengths[i]);
}
}
/* }}} */
/* {{{ php_mysql_get_field_name
*/
static char *php_mysql_get_field_name(int field_type)
{
switch(field_type) {
case FIELD_TYPE_STRING:
case FIELD_TYPE_VAR_STRING:
return "string";
break;
#ifdef MYSQL_HAS_TINY
case FIELD_TYPE_TINY:
#endif
case FIELD_TYPE_SHORT:
case FIELD_TYPE_LONG:
case FIELD_TYPE_LONGLONG:
case FIELD_TYPE_INT24:
return "int";
break;
case FIELD_TYPE_FLOAT:
case FIELD_TYPE_DOUBLE:
case FIELD_TYPE_DECIMAL:
#ifdef FIELD_TYPE_NEWDECIMAL
case FIELD_TYPE_NEWDECIMAL:
#endif
return "real";
break;
case FIELD_TYPE_TIMESTAMP:
return "timestamp";
break;
#ifdef MYSQL_HAS_YEAR
case FIELD_TYPE_YEAR:
return "year";
break;
#endif
case FIELD_TYPE_DATE:
#ifdef FIELD_TYPE_NEWDATE
case FIELD_TYPE_NEWDATE:
#endif
return "date";
break;
case FIELD_TYPE_TIME:
return "time";
break;
case FIELD_TYPE_SET:
return "set";
break;
case FIELD_TYPE_ENUM:
return "enum";
break;
#ifdef FIELD_TYPE_GEOMETRY
case FIELD_TYPE_GEOMETRY:
return "geometry";
break;
#endif
case FIELD_TYPE_DATETIME:
return "datetime";
break;
case FIELD_TYPE_TINY_BLOB:
case FIELD_TYPE_MEDIUM_BLOB:
case FIELD_TYPE_LONG_BLOB:
case FIELD_TYPE_BLOB:
return "blob";
break;
case FIELD_TYPE_NULL:
return "null";
break;
default:
return "unknown";
break;
}
}
/* }}} */
/* {{{ proto object mysql_fetch_field(resource result [, int field_offset])
Gets column information from a result and return as an object */
PHP_FUNCTION(mysql_fetch_field)
{
zval **result, **field=NULL;
MYSQL_RES *mysql_result;
MYSQL_FIELD *mysql_field;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &result)==FAILURE) {
RETURN_FALSE;
}
break;
case 2:
if (zend_get_parameters_ex(2, &result, &field)==FAILURE) {
RETURN_FALSE;
}
convert_to_long_ex(field);
break;
default:
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
if (field) {
if (Z_LVAL_PP(field)<0 || Z_LVAL_PP(field)>=(int)mysql_num_fields(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad field offset");
RETURN_FALSE;
}
mysql_field_seek(mysql_result, Z_LVAL_PP(field));
}
if ((mysql_field=mysql_fetch_field(mysql_result))==NULL) {
RETURN_FALSE;
}
object_init(return_value);
add_property_string(return_value, "name",(mysql_field->name?mysql_field->name:""), 1);
add_property_string(return_value, "table",(mysql_field->table?mysql_field->table:""), 1);
add_property_string(return_value, "def",(mysql_field->def?mysql_field->def:""), 1);
add_property_long(return_value, "max_length", mysql_field->max_length);
add_property_long(return_value, "not_null", IS_NOT_NULL(mysql_field->flags)?1:0);
add_property_long(return_value, "primary_key", IS_PRI_KEY(mysql_field->flags)?1:0);
add_property_long(return_value, "multiple_key",(mysql_field->flags&MULTIPLE_KEY_FLAG?1:0));
add_property_long(return_value, "unique_key",(mysql_field->flags&UNIQUE_KEY_FLAG?1:0));
add_property_long(return_value, "numeric", IS_NUM(Z_TYPE_P(mysql_field))?1:0);
add_property_long(return_value, "blob", IS_BLOB(mysql_field->flags)?1:0);
add_property_string(return_value, "type", php_mysql_get_field_name(Z_TYPE_P(mysql_field)), 1);
add_property_long(return_value, "unsigned",(mysql_field->flags&UNSIGNED_FLAG?1:0));
add_property_long(return_value, "zerofill",(mysql_field->flags&ZEROFILL_FLAG?1:0));
}
/* }}} */
/* {{{ proto bool mysql_field_seek(resource result, int field_offset)
Sets result pointer to a specific field offset */
PHP_FUNCTION(mysql_field_seek)
{
zval **result, **offset;
MYSQL_RES *mysql_result;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &result, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
convert_to_long_ex(offset);
if (Z_LVAL_PP(offset)<0 || Z_LVAL_PP(offset)>=(int)mysql_num_fields(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field %ld is invalid for MySQL result index %ld", Z_LVAL_PP(offset), Z_LVAL_PP(result));
RETURN_FALSE;
}
mysql_field_seek(mysql_result, Z_LVAL_PP(offset));
RETURN_TRUE;
}
/* }}} */
#define PHP_MYSQL_FIELD_NAME 1
#define PHP_MYSQL_FIELD_TABLE 2
#define PHP_MYSQL_FIELD_LEN 3
#define PHP_MYSQL_FIELD_TYPE 4
#define PHP_MYSQL_FIELD_FLAGS 5
/* {{{ php_mysql_field_info
*/
static void php_mysql_field_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type)
{
zval **result, **field;
MYSQL_RES *mysql_result;
MYSQL_FIELD *mysql_field = {0};
char buf[512];
int len;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &result, &field)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
convert_to_long_ex(field);
if (Z_LVAL_PP(field)<0 || Z_LVAL_PP(field)>=(int)mysql_num_fields(mysql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field %ld is invalid for MySQL result index %ld", Z_LVAL_PP(field), Z_LVAL_PP(result));
RETURN_FALSE;
}
mysql_field_seek(mysql_result, Z_LVAL_PP(field));
if ((mysql_field=mysql_fetch_field(mysql_result))==NULL) {
RETURN_FALSE;
}
switch (entry_type) {
case PHP_MYSQL_FIELD_NAME:
Z_STRLEN_P(return_value) = strlen(mysql_field->name);
Z_STRVAL_P(return_value) = estrndup(mysql_field->name, Z_STRLEN_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MYSQL_FIELD_TABLE:
Z_STRLEN_P(return_value) = strlen(mysql_field->table);
Z_STRVAL_P(return_value) = estrndup(mysql_field->table, Z_STRLEN_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MYSQL_FIELD_LEN:
Z_LVAL_P(return_value) = mysql_field->length;
Z_TYPE_P(return_value) = IS_LONG;
break;
case PHP_MYSQL_FIELD_TYPE:
Z_STRVAL_P(return_value) = php_mysql_get_field_name(Z_TYPE_P(mysql_field));
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_STRVAL_P(return_value) = estrndup(Z_STRVAL_P(return_value), Z_STRLEN_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MYSQL_FIELD_FLAGS:
memcpy(buf, "", sizeof(""));
#ifdef IS_NOT_NULL
if (IS_NOT_NULL(mysql_field->flags)) {
strcat(buf, "not_null ");
}
#endif
#ifdef IS_PRI_KEY
if (IS_PRI_KEY(mysql_field->flags)) {
strcat(buf, "primary_key ");
}
#endif
#ifdef UNIQUE_KEY_FLAG
if (mysql_field->flags&UNIQUE_KEY_FLAG) {
strcat(buf, "unique_key ");
}
#endif
#ifdef MULTIPLE_KEY_FLAG
if (mysql_field->flags&MULTIPLE_KEY_FLAG) {
strcat(buf, "multiple_key ");
}
#endif
#ifdef IS_BLOB
if (IS_BLOB(mysql_field->flags)) {
strcat(buf, "blob ");
}
#endif
#ifdef UNSIGNED_FLAG
if (mysql_field->flags&UNSIGNED_FLAG) {
strcat(buf, "unsigned ");
}
#endif
#ifdef ZEROFILL_FLAG
if (mysql_field->flags&ZEROFILL_FLAG) {
strcat(buf, "zerofill ");
}
#endif
#ifdef BINARY_FLAG
if (mysql_field->flags&BINARY_FLAG) {
strcat(buf, "binary ");
}
#endif
#ifdef ENUM_FLAG
if (mysql_field->flags&ENUM_FLAG) {
strcat(buf, "enum ");
}
#endif
#ifdef SET_FLAG
if (mysql_field->flags&SET_FLAG) {
strcat(buf, "set ");
}
#endif
#ifdef AUTO_INCREMENT_FLAG
if (mysql_field->flags&AUTO_INCREMENT_FLAG) {
strcat(buf, "auto_increment ");
}
#endif
#ifdef TIMESTAMP_FLAG
if (mysql_field->flags&TIMESTAMP_FLAG) {
strcat(buf, "timestamp ");
}
#endif
len = strlen(buf);
/* remove trailing space, if present */
if (len && buf[len-1] == ' ') {
buf[len-1] = 0;
len--;
}
Z_STRLEN_P(return_value) = len;
Z_STRVAL_P(return_value) = estrndup(buf, len);
Z_TYPE_P(return_value) = IS_STRING;
break;
default:
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto string mysql_field_name(resource result, int field_index)
Gets the name of the specified field in a result */
PHP_FUNCTION(mysql_field_name)
{
php_mysql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_MYSQL_FIELD_NAME);
}
/* }}} */
/* {{{ proto string mysql_field_table(resource result, int field_offset)
Gets name of the table the specified field is in */
PHP_FUNCTION(mysql_field_table)
{
php_mysql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_MYSQL_FIELD_TABLE);
}
/* }}} */
/* {{{ proto int mysql_field_len(resource result, int field_offset)
Returns the length of the specified field */
PHP_FUNCTION(mysql_field_len)
{
php_mysql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_MYSQL_FIELD_LEN);
}
/* }}} */
/* {{{ proto string mysql_field_type(resource result, int field_offset)
Gets the type of the specified field in a result */
PHP_FUNCTION(mysql_field_type)
{
php_mysql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_MYSQL_FIELD_TYPE);
}
/* }}} */
/* {{{ proto string mysql_field_flags(resource result, int field_offset)
Gets the flags associated with the specified field in a result */
PHP_FUNCTION(mysql_field_flags)
{
php_mysql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_MYSQL_FIELD_FLAGS);
}
/* }}} */
/* {{{ proto bool mysql_free_result(resource result)
Free result memory */
PHP_FUNCTION(mysql_free_result)
{
zval **result;
MYSQL_RES *mysql_result;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
if (Z_TYPE_PP(result)==IS_RESOURCE && Z_LVAL_PP(result)==0) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE(mysql_result, MYSQL_RES *, result, -1, "MySQL result", le_result);
zend_list_delete(Z_LVAL_PP(result));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysql_ping([int link_identifier])
Ping a server connection. If no connection then reconnect. */
PHP_FUNCTION(mysql_ping)
{
zval *mysql_link = NULL;
int id = -1;
php_mysql_conn *mysql;
if (0 == ZEND_NUM_ARGS()) {
id = php_mysql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
} else if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &mysql_link)==FAILURE) {
return;
}
ZEND_FETCH_RESOURCE2(mysql, php_mysql_conn *, &mysql_link, id, "MySQL-Link", le_link, le_plink);
PHPMY_UNBUFFERED_QUERY_CHECK();
RETURN_BOOL(! mysql_ping(&mysql->conn));
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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