PHP Code : convert string to hex and hex to string

PHP Code : convert string to hex and hex to string

<?php

function strToHex($string){

    $hex = '';

    for ($i=0; $i<strlen($string); $i++){

        $ord = ord($string[$i]);

        $hexCode = dechex($ord);

        $hex .= substr('0'.$hexCode, -2);

    }

    return strToUpper($hex);

}

function hexToStr($hex){

    $string='';

    for ($i=0; $i < strlen($hex)-1; $i+=2){

        $string .= chr(hexdec($hex[$i].$hex[$i+1]));

    }

    return $string;

}

Hope it will help you.

Thanks