Convert a hexa decimal color code to its RGB equivalent

hex2rgb-example.php

<?php print_r(hex2RGB('00ff67')); ?>
#Out
Array
(
    [red] => 0
    [green] => 255
    [blue] => 103
)
<?php echo hex2RGB('#00ff67',true ); ?>
__#Out__
0,255,103

<?php echo hex2RGB('#2f6',true ); ?>
__#Out__
34,255,102

<?php echo hex2RGB('#22ff66',true ); ?>
__#Out__
34,255,102
<?php print_r(hex2RGB('##22ff66')); ?>
__#Out__
Array
(
    [red] => 34
    [green] => 255
    [blue] => 102
)

hex2rgb.php

<?php
/**
 * Convert a hexa decimal color code to its RGB equivalent
 *
 * @param string $hexStr (hexadecimal color value)
 * @param boolean $returnAsString (if set true, returns the value separated by the separator character. Otherwise returns associative array)
 * @param string $seperator (to separate RGB values. Applicable only if second parameter is true.)
 * @return array or string (depending on second parameter. Returns False if invalid hex color value)
 * @base-link: http://www.php.net/manual/en/function.hexdec.php#99478
 */

function hex2RGB($hexStr, $returnAsString = false, $seperator = ',') {
	# Normalize a proper hex string with length 6
	$hexStr = preg_replace("/[^0123456789abcdef]/", '',strtolower($hexStr));
	if( strlen($hexStr) == 3 )
		$hexStr = preg_replace("/(.)(.)(.)/", '\1\1\2\2\3\3', $hexStr);
	#converHex2RGB
	if (preg_match('/^[0123456789abcdef]{6}$/',$hexStr)) {
		$rgbResult=array();
		#2 characters will correspond to each color
		foreach(array('red','green','blue') as $str_pos=>$color_index)
			$rgbResult[$color_index]=hexdec(substr($hexStr,2*$str_pos,2));
		#return array o string depending on second paramenter
		return $returnAsString ? implode($seperator, $rgbResult) : $rgbResult;
	}
	return false; //Invalid hex color code
}
?>