PHP 将Missing Alt标签添加到图像 - WordPress内容过滤器

Posted 2021-05-14

function add_alt_tags($content)
{
	global $post;
	preg_match_all('/<img (.*?)\/>/', $content, $images);
	if(!is_null($images))
	{
		foreach($images[1] as $index => $value)
		{
			if(!preg_match('/alt=/', $value))
			{
				$new_img = str_replace('<img', '<img alt="'.get_the_title().'"', $images[0][$index]);
				$content = str_replace($images[0][$index], $new_img, $content);
			}
		}
	}
	return $content;
}
add_filter('the_content', 'add_alt_tags', 99999);