Bad Word Filter Function and Harmful Character String Array Replace

Learn to build bad word or harmful character filter functions and data filtration systems for user input. We are using the str_ireplace() php function fed with arrays.

<?php
function badWordFilter($data){
    $originals = array("douche","punch","damn");
    $replacements = array("friend","love","wow");
    $data = str_ireplace($originals,$replacements,$data);
    return $data;
}
$myData = "Hi douche, damn I want to punch you for a good cause!";
$cleaned = badWordFilter($myData);
echo $cleaned;
?>