PHP – Convert HEX to RGB

Below function takes hex code (e.g. #eeeeee), returns array of RGB values.

function hex2rgb( $colour ) {         if ( $colour[0] == '#' ) {                 $colour = substr( $colour, 1 );         }         if ( strlen( $colour ) == 6 ) {                 list( $r, $g, $b ) = array( $colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5] );         } elseif ( strlen( $colour ) == 3 ) {                 list( $r, $g, $b ) = array( $colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2] );         } else {                 return false;         }         $r = hexdec( $r );         $g = hexdec( $g );         $b = hexdec( $b );         return array( 'red' => $r, 'green' => $g, 'blue' => $b ); }