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PHP mysql transaction problem example analysis

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Release: 2016-07-29 09:06:06
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This article analyzes the mysql transaction problem of PHP with an example. Share it with everyone for your reference, the details are as follows:

For the myisam database, you can control the progress of transactions:

$mysqlrl = mysql_connect ( $db_config ["host"], $db_config ["user"], $db_config ["pass"], true );
if (! $mysqlrl) {
    $msg = mysql_error ();
    die ( 'Could not connect: ' . $msg );
}
mysql_select_db ( $db_config ["data"], $mysqlrl ) or die ( "error: 数据库异常" );
mysql_query ( "SET NAMES 'utf8'" );
date_default_timezone_set ( 'Asia/Shanghai' );
/**
* 事务操作过程 BEGIN COMMIT END
*/
mysql_query ( 'BEGIN' );
$flag3 = mysql_query ( $sql3);
$flag1 = mysql_query ( $sql1);
$flag2 = mysql_query ( $sql2);  
    if ($flag1 && $flag1 && $flag3) {
    mysql_query ( 'COMMIT' );
    mysql_query ( 'END' );
    $data .= "\r\n" . "更新记录成功";
    write_file ( $file, $data );
    return true;
  } else {
    print mysql_error ();
    mysql_query ( 'ROLLBACK' );
    mysql_query ( 'END' );
    $data .= "\r\n" . "更新记录失败(⊙o⊙)!!!";
    write_file ( $file, $data );
    return false;
  }
}

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