WordPress функция перевода HEX в RGB/A цвет

functions.php

if ( ! function_exists( 'hex_to_rgb' ) ) {
	function hex_to_rgb( $hex_color, $normal = false, $opacity  = 1 ) {
		$hex_int = hexdec( sanitize_hex_color($hex_color) );
		$rgb = array( 'red' => 0xFF & ( $hex_int >> 0x10 ), 'green' => 0xFF & ( $hex_int >> 0x8 ), 'blue' => 0xFF & $hex_int );
		if($normal) {
			$opacity_value = is_numeric($opacity) ? $opacity : 1;
			$rgb = 'rgba('. implode(',', array_values($rgb)) .','. $opacity_value .')';
		}
		return $rgb;
	}
}