Convert TEXT2HEX

Here is a php script snippet to convert string text to hex decimal code.
PHP CODE

function text2hex($string) {
 $hex = '';
 $len =
 strlen($string) ;
 for ($i = 0; $i < $len; $i++) {
  $hex .=
  str_pad(dechex(ord($string[$i])), 2, 0, STR_PAD_LEFT);
 }
 return $hex;
}