功能介绍
站点内的文章肯定不止一篇两篇，媒体内的图片肯定也是不止一张两张，当我想删除一篇文章时又会头疼这个图片怎么去删除，以下方法就很好的去解决这个问题，当我去删除这篇文章时，这篇文章内的图片也会同步删除!
配置教程
首先利用宝塔或则FTP打开/inc/options下的admin-options.php文件把下面代码放在20行左右
array( 'id' => 'is_delete_article', 'type' => 'switcher', 'title' => '删除文章同时删除图片', 'label' => '启用后在删除文章时会删除文章对应的图片', 'default' => false, ),
最后在主题根目录下打开functions.php将以下代码放在最后即可
//+----------------------------------------------------------------------
//| 删除文章时删除图片附件
//+----------------------------------------------------------------------
function delete_post_and_attachments($post_ID) {
global $wpdb;
//删除特色图片
$thumbnails = $wpdb->get_results( "SELECT * FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND post_id = $post_ID" );
foreach ( $thumbnails as $thumbnail ) {
wp_delete_attachment( $thumbnail->meta_value, true );
}
//删除图片附件
$attachments = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE post_parent = $post_ID AND post_type = 'attachment'" );
foreach ( $attachments as $attachment ) {
wp_delete_attachment( $attachment->ID, true );
}
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND post_id = $post_ID" );
}
if(_cao('is_delete_article') ){
add_action('before_delete_post', 'delete_post_and_attachments');
}
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