Convert Hex colors to RGB

hex2rgb

<?php 
  
  function hex2rgb($hex) {
     $hex = str_replace("#", "", $hex);
  
     if(strlen($hex) == 3) {
        $r = hexdec(substr($hex,0,1).substr($hex,0,1));
        $g = hexdec(substr($hex,1,1).substr($hex,1,1));
        $b = hexdec(substr($hex,2,1).substr($hex,2,1));
     } else {
        $r = hexdec(substr($hex,0,2));
        $g = hexdec(substr($hex,2,2));
        $b = hexdec(substr($hex,4,2));
     }
     $rgb = array($r, $g, $b);
     //return implode(",", $rgb); // returns the rgb values separated by commas
     return $rgb; // returns an array with the rgb values
  }