我的 WordPress 主题需要帮助
<?php
$i = 0;
$page = get_the_content();
$doc=new DOMDocument();
$doc->loadHTML($page);
$xml=simplexml_import_dom($doc);
$images=$xml->xpath('//img');
foreach ($images as $img) {
list($width, $height, $type, $attr) = getimagesize($img['src']);
if ($height > 149 ) {
echo '<img src="' . $img['src'] . '" alt=" ' . $img['alt'] . ' - funny and hot pictures" title=" ' . $img['title'] . ' - funny fail picture dump" onerror=\'this.style.display="none" \'><br>';
$i++;
if ($i == 3 ) { break;}
}
else
{
// don't display
}
}
?>
我用上面的代码替换了 "" 代码。它应该删除我帖子中的所有文本，只留下效果很好的图像。但是当我嵌入视频时，php 就崩溃了。我如何允许帖子显示 YouTube 视频？
<?php
$i = 0;
$page = get_the_content();
$doc=new DOMDocument();
$doc->loadHTML($page);
$xml=simplexml_import_dom($doc);
$images=$xml->xpath('//img');
foreach ($images as $img) {
list($width, $height, $type, $attr) = getimagesize($img['src']);
if ($height > 149 ) {
echo '<img src="' . $img['src'] . '" alt=" ' . $img['alt'] . ' - funny and hot pictures" title=" ' . $img['title'] . ' - funny fail picture dump" onerror=\'this.style.display="none" \'><br>';
$i++;
if ($i == 3 ) { break;}
}
else
{
// don't display
}
}
?>
I replaced the "<?php the_content(); ?>" piece of code with the one above. It's supposed to strip out all of the text in my post and just leave the images which it does nicely. But when I embed a video the php breaks. How would I allow posts to show youtube videos?
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评论（1）
您应该考虑使用自定义字段：
http://codex.wordpress.org/Custom_Fields
有一个很棒的插件也为他们创建了良好的管理控制面板：
http://wordpress.org/extend/plugins/advanced-custom-fields/
您可以使用自定义字段专门将视频放入页面中。
您想从帖子中删除文字是否有特殊原因？ - 例如，您可以根本不在帖子中添加文字吗？ - 或者可以将文本放入摘录中，或者放入自定义字段中，这样您就不必使输出代码过于复杂？
You should look into using custom fields:
http://codex.wordpress.org/Custom_Fields
There is a great plugin that creates good admin control panels for them too:
http://wordpress.org/extend/plugins/advanced-custom-fields/
You could use a custom field to specifically put a video into the page.
Is there a particular reason you want to strip the text out of the post? - e.g. could you just not put text in the post at all? - or could the text be put into the excerpt instead, or into a custom field so that you don't have to over complicate the output code?