- str_ireplace: documentation ( source)
- explode: documentation ( source)
- in_array: documentation ( source)
<?php
function safeEval($arg,$badwords)
{
//if(stripos($arg,$badwords) !== false)
$arg = explode("''",$arg);
$bardwords = array();
if(in_array($badwords,$arg))
{
str_ireplace($badwords,"''",$arg);
//echo "it has been found";
return;
}
else
return eval($arg);
}
$string = "echo 'Hello drop Kyle';";
$find = array("update","drop");
safeEval($string,$find);