将此代码放入functions.php. 它将在应用层服务之前过滤所有内容。

<?php
    function filterContent($content)
    {
        $upateURL = array
            (
            \'http://www.example.com/wp-content/uploads\' => \'https://www.example.com/wp-content/uploads\',
        );

        foreach ($upateURL as $key => $value)
        {
            $content = str_replace($key, $value, $content);
        }
        return $content;
    }
    add_filter(\'the_content\', \'filterContent\');
?>