mysql_real_escape_string alternative (analogue)

mysql_real_escape_string

<?php

// mysql_real_escape_string requires an active mysql connection

function mysqlPrepareStr($str) {
    return "'". str_replace(
        array( '\\', "\0", "\n", "\r", "'", '"', "\x1a" ),
        array( '\\\\', '\\0', '\\n', '\\r', "\\'", '\\"', '\\Z' ),
        $str ) . "'";
}