PHP Database backup Script

<?php // 备份数据库 $host = "localhost" ; $user = "root" ; //数据库账号 $password = "" ; //数据库密码 $dbname = "mysql" ; //数据库名称 // 这里的账号、密码、名称都是从页面传过来的 if (!mysql_connect( $host , $user , $password )) // 连接mysql数据库      {          echo ‘数据库连接失败，请核对后再试‘ ;      exit ; } if (!mysql_select_db( $dbname )) // 是否存在该数据库      {          echo ‘不存在数据库:‘ . $dbname . ‘,请核对后再试‘ ;      exit ; } mysql_query( "set names ‘utf8‘" ); $mysql = "set charset utf8;\r\n" ; $q1 = mysql_query( "show tables" ); while ( $t = mysql_fetch_array( $q1 )) {      $table = $t [0];      $q2 = mysql_query( "show create table `$table`" );      $sql = mysql_fetch_array( $q2 );      $mysql .= $sql [ ‘Create Table‘ ] . ";\r\n" ;      $q3 = mysql_query( "select * from `$table`" );      while ( $data = mysql_fetch_assoc( $q3 ))      {          $keys = array_keys ( $data );          $keys = array_map ( ‘addslashes‘ , $keys );          $keys = join( ‘`,`‘ , $keys );          $keys = "`" . $keys . "`" ;          $vals = array_values ( $data );          $vals = array_map ( ‘addslashes‘ , $vals );          $vals = join( "‘,‘" , $vals );          $vals = "‘" . $vals . "‘" ;          $mysql .= "insert into `$table`($keys) values($vals);\r\n" ;      } } $filename = $dbname . date ( ‘Ymjgi‘ ) . ".sql" ; //存放路径，默认存放到项目最外层 $fp = fopen ( $filename , ‘w‘ ); fputs ( $fp , $mysql ); fclose( $fp ); echo "数据备份成功" ; ?>

PHP Database backup Script