/** 自动给图片添加Alt标签 */ function image_alt_tag($content){ global $post;preg_match_all('/<img (.*?)\/>/', $content, $images); if(!is_null($images)) {foreach($images[1] as $index => $value) { $new_img = str_replace('<img', '<img alt="'.get_the_title().'-'.get_bloginfo('name').'"', $images[0][$index]); $content = str_replace($images[0][$index], $new_img, $content);}} return $content; } add_filter('the_content', 'image_alt_tag', 99999);