wordpress删除文章时候文章的图片和略缩图源文件并不会从服务器删除，对于强迫症来说这太难受了，去网上搜索了一下，有相关的教程，下面的代码放到主题的functions.php文件中就可以
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/* 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" ); } add_action('before_delete_post', 'delete_post_and_attachments'); /* 删除文章时删除图片附件over */ |