我试图从PHP的脚本标签中获取一个值，我需要在此脚本标签中获取page_id的值，我该怎么做？
<script type="text/javascript">
$(document).ready(function() { Analytics.logAndSendEventToGA(["wap:album_detail:::view","utm_content","wap:album_detail:::view","utm_page","album_detail","utm_button","","page_id","20316543"]);
});
</script>