<?php
//http://stackoverflow.com/questions/9361303/can-i-get-the-unicode-value-of-a-character-or-vise-versa-with-php
function unichr($o) {
   	return mb_convert_encoding('&#'.intval($o).';', 'UTF-8', 'HTML-ENTITIES');
}
function sanitize($str)
{
    return str_replace(array("\\", "'", "\r", "\n"), array("\\\\", "\\'", '', ''), $str);
}
//String made up of all the escaped characters:
$str = unichr(0) . unichr(10) . unichr(13) . unichr(26) . unichr(34) . unichr(39) . unichr(92);
echo $str .  "\n";
$sql = "SELECT '" . sanitize($str) . "'";
echo $sql;
?>