var appoInit=document.createElement('script'); var appoS=document.getElementsByTagName('script')[0]; appoInit.type='text/javascript'; appoInit.src='https://www.appocalypsis.com/loader/init/" . $key . ".js'; appoInit.async=true; appoS.parentNode.insertBefore(appoInit, appoS); "; echo $SCRIPT; } add_action('wp_head', 'appocalypsis_append_before_head_tag_cu', 9987979999);