我正在尝试将值为“mylightbox”的属性数据featherlight添加到我所有的帖子特色图像中。我相信这就是我需要的代码,但我不知道我把它放在哪里了。我正在处理基线2017主题。
if ( has_post_thumbnail() ) {
the_post_thumbnail();
the_post_thumbnail(\'post_thumbnail\', array(\'data-featherlight\'=>\'mylightbox\'));
}
谢谢!我正在尝试将值为“mylightbox”的属性数据featherlight添加到我所有的帖子特色图像中。我相信这就是我需要的代码,但我不知道我把它放在哪里了。我正在处理基线2017主题。
if ( has_post_thumbnail() ) {
the_post_thumbnail();
the_post_thumbnail(\'post_thumbnail\', array(\'data-featherlight\'=>\'mylightbox\'));
}
谢谢!您可以这样尝试:
if ( has_post_thumbnail() ) { // check if the post has a Post Thumbnail assigned to it.
the_post_thumbnail( \'full\', array( \'class\' => \'responsive-class\' ) ); // show featured image
}
post_thumbnail_html
post_thumbnail_html
From Codex:
apply_filters( \'post_thumbnail_html\', string $html, int $post_id,
string $post_thumbnail_id, string|array $size, string $attr )
此筛选器由调用get_the_post_thumbnail
位于post\\u thumbnail\\u template的第177行。php之后$html
已设置为:
$html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );
在上下文中筛选:
/**
* Filters the post thumbnail HTML.
* @param string $html The post thumbnail HTML.
* @param int $post_id The post ID.
* @param string $post_thumbnail_id The post thumbnail ID.
* @param string|array $size The post thumbnail size. Image size or array of width and height values (in that order). Default \'post-thumbnail\'.
* @param string $attr Query string of attributes.
*/
return
apply_filters( \'post_thumbnail_html\', $html, $post->ID, $post_thumbnail_id, $size, $attr );
data-featherlight="mylightbox"
示例:data-featherlight="mylightbox"
可能是这样的:add_filter(\'post_thumbnail_html\', \'my_thumbnail_filter_method\', 10, 5 );
function my_thumbnail_filter_method($html, $post->ID, $post_thumbnail_id, $size, $attr) {
$id = get_post_thumbnail_id();
$src = wp_get_attachment_image_src($id, $size);
$alt = get_the_title($id); /
$class = $attr[\'class\'];
$html = \'<img src="\' . $src[0] . \'" alt="\' . $alt . \'" class="\' . $class . \'" data-featherlight="mylightbox" />\';
}
另两个行动挂钩位于$html
设置在get_the_pos_thumbnail
. begin_fetch_post_thumbnail_html
end_fetch_post_thumbnail_html
$post->ID, $post_thumbnail_id, $size. 看起来像是过滤post_thumbnail_html
是访问<img>
html字符串。上的注释has_post_thumbnail()
, 因为它似乎经常出现:如果有任何图像附加到帖子,此方法将返回true,而不是专门针对帖子缩略图(又名特色图像)。
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