diff options
Diffstat (limited to 'system/database/drivers/mysql/mysql_driver.php')
| -rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index df18c912e..dec15863f 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -1,4 +1,4 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * @@ -132,7 +132,22 @@ class CI_DB_mysql_driver extends CI_DB { */ function db_set_charset($charset, $collation) { - return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + static $use_set_names; + + if ( ! isset($use_set_names)) + { + // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback + $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; + } + + if ($use_set_names) + { + return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + } + else + { + return @mysql_set_charset($charset, $this->conn_id); + } } // -------------------------------------------------------------------- @@ -286,13 +301,13 @@ class CI_DB_mysql_driver extends CI_DB { { if (is_array($str)) { - foreach($str as $key => $val) - { + foreach ($str as $key => $val) + { $str[$key] = $this->escape_str($val, $like); - } + } - return $str; - } + return $str; + } if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id)) { @@ -590,9 +605,9 @@ class CI_DB_mysql_driver extends CI_DB { */ function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { - foreach($values as $key => $val) + foreach ($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key . ' = ' . $val; } $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; @@ -627,15 +642,15 @@ class CI_DB_mysql_driver extends CI_DB { $ids = array(); $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; - foreach($values as $key => $val) + foreach ($values as $key => $val) { $ids[] = $val[$index]; - foreach(array_keys($val) as $field) + foreach (array_keys($val) as $field) { if ($field != $index) { - $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } } } @@ -643,7 +658,7 @@ class CI_DB_mysql_driver extends CI_DB { $sql = "UPDATE ".$table." SET "; $cases = ''; - foreach($final as $k => $v) + foreach ($final as $k => $v) { $cases .= $k.' = CASE '."\n"; foreach ($v as $row) |