Variabile PHP in cod css

gistfile1.txt

wp_register_style( 'zerif_php_style', get_template_directory_uri() . '/css/style.php');
wp_enqueue_style( 'zerif_php_style' );
	
intr-un fisier style.php pe care il includ in functions:

<?php
    include_once "../../../../wp-load.php";

	header("Content-type: text/css");
	
	$zerif_bg = get_theme_mod('zerif_bg');
	
	if(isset($zerif_bg) && $zerif_bg != ""):
		?>
		body.home {
			background:url(<?php echo $zerif_bg; ?>) !important;
		}
		<?php
	endif;
?>