explode and foreach to show strings or ASCII

//transfer ASCII to string $string = “78b101b116b87b105b110b100”; $tags = explode(‘b’, $string);  foreach($tags as $key) { echo chr($key);  } //transfer string toASCII echo “<br><br>”; $string = “Tiger Young”; foreach($tags as $key) { echo ord($key).”b”;  } echo “<br><br>”;