- urldecode: documentation ( source)
- addslashes: documentation ( source)
- trim: documentation ( source)
<?php
$_REQUEST['email'] = 'geradolson5656%40srt.com';
if(isset($_REQUEST['email'])){
$email = trim(urldecode($_REQUEST['email']));
$email = addslashes($email);
$email = transliterateString($email);
}
echo $email;