Change payment icon

//Payment Icons
function k4y_woocommerce_cod_icon( $icon, $id ) {

	/*$user = wp_get_current_user();
	$allowed_roles = array('administrator');
	if( array_intersect($allowed_roles, $user->roles ) ) {  
		echo tdebug($id); 
	}*/

	
	if ( $id === 'ppcp-gateway' ){
	   	$icon_path = get_option( 'siteurl' ) . '/wp-content/plugins/tzn-shopkit/assets/img/payment-icons/';
        //$image_1px = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
        $icon_url = '<img src="' . $icon_path . 'paypal.svg" alt="Paypal" title="Paypal" width="45" height="25"/>';
		
		return $icon_url; 
	} else if ( $id === 'cod' ) {
		$icon_src = wp_get_attachment_image_src(65197);
        //$image_1px = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
        $icon_url = '<img src="' . $icon_src[0] . '" alt="Nachname" title="Nachname" width="45" height="25"/>';
		
		return $icon_url;
	} else { 
	   return $icon; 
	} 
} 


add_filter( 'woocommerce_gateway_icon', 'k4y_woocommerce_cod_icon', 10, 2 );