让MySQL搜索区分大小写或排序时分大小写方法如下: 1.在SQL中强制 SELECT `field` FROM `table` WHERE BINARY…
May 9, 2015
php 备份数据库 Backup Your MySQL Database Using PHP
代码:
<?php backup_tables('localhost','root','root','mysql'); /* backup the db OR just a table */ function backup_tables($host,$user,$pass,$name,$tables = '*') { $link = mysql_connect($host,$user,$pass); mysql_select_db($name,$link); $return = "-- n"; $return .= '-- MySQL DATABASE DUMPER. Copyright GLS Studio ' . "n"; $return .= "-- nn"; //get all of the tables if($tables == '*') { $tables = array(); $result = mysql_query('SHOW TABLES'); while($row = mysql_fetch_row($result)) $tables[] = $row[0]; } else $tables = is_array($tables) ? $tables : explode(',',$tables); //cycle through foreach($tables as $table) { $result = mysql_query('SELECT * FROM '.$table); $num_fields = mysql_num_fields($result); $return .= "-- ------------------------------------------------ n"; $return .= "-- Table structure for table `{$table}` nn"; // Dump Structure $return .= "DROP TABLE IF EXISTS `{$table}`; n"; $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table)); $return.= "nn".$row2[1].";n"; for ($i = 0; $i < $num_fields; $i++) { while($row = mysql_fetch_row($result)) { $return.= 'INSERT INTO '.$table.' VALUES('; for($j=0; $j<$num_fields; $j++) { $row[$j] = addslashes($row[$j]); $row[$j] = ereg_replace("n","\n",$row[$j]); if (isset($row[$j])) $return .= '"'.$row[$j].'"' ; else $return .= '""'; if ($j<($num_fields-1)) $return.= ','; } $return.= ");n"; } } $return .="nn"; $return .= "-- Table structure for table `{$table}` n"; $return .= "-- ------------------------------------------------- nnn"; } //save file //$handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+'); //fwrite($handle,$return); //fclose($handle); //add below code to download it as a sql file Header('Content-type: application/octet-stream'); Header('Content-Disposition: attachment; filename=db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql'); echo $return; }