wordpress函数esc_url在https中不起作用

Question

此代码在http

中运行

<section id="nicdark_singlepage_parallax" class="nicdark_section nicdark_imgparallax" style="background:url(<?php echo esc_url(  $redux_demo['metabox_pages_header_img']['url'] ); ?>) 50% 0 fixed; background-size:cover;">

但有效的https无效