Online PHP editor | output for chR2A

<?php $cryptArray = array( "a"=>"xyz","b"=>"256"); $string = "aab"; function cryptit($string,$cryptArray){ $temp = ""; $length = strlen($string); for($i=0; $i<$length; $i++){ $temp .= $cryptArray[$string[$i]]; } return $temp; } function decryptit($string,$cryptArray){ $temp = ""; $length = strlen($string); $cryptArray = array_flip($cryptArray); for($i =0; $i<$length; $i = $i+3){ $temp .= $cryptArray[$string[$i].$string[$i+1].$string[$i+2]]; } return $temp; } $crypted = cryptit($string,$cryptArray); echo $crypted; $decrypted = decryptit($crypted,$cryptArray); echo $decrypted;