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<?php |
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if (!defined('ABSPATH')) exit; // if direct access |
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function post_grid_duplicate_post_as_draft() |
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{ |
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global $wpdb; |
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if (!(isset($_GET['post']) || isset($_POST['post']) || (isset($_REQUEST['action']) && 'post_grid_duplicate_post_as_draft' == $_REQUEST['action']))) { |
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wp_die('No post to duplicate has been supplied!'); |
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} |
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/* |
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* Nonce verification |
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*/ |
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if (!isset($_GET['duplicate_nonce']) || !wp_verify_nonce(wp_unslash($_GET['duplicate_nonce']), basename(__FILE__))) |
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return; |
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/* |
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* get the original post id |
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*/ |
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$post_id = (isset($_GET['post']) ? absint($_GET['post']) : absint($_POST['post'])); |
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/* |
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* and all the original post data then |
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*/ |
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$post = get_post($post_id); |
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/* |
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* if you don't want current user to be the new post author, |
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* then change next couple of lines to this: $new_post_author = $post->post_author; |
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*/ |
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$current_user = wp_get_current_user(); |
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$new_post_author = $current_user->ID; |
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/* |
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* if post data exists, create the post duplicate |
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*/ |
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if (isset($post) && $post != null) { |
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/* |
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* new post data array |
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*/ |
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$args = array( |
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'comment_status' => $post->comment_status, |
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'ping_status' => $post->ping_status, |
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'post_author' => $new_post_author, |
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'post_content' => $post->post_content, |
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'post_excerpt' => $post->post_excerpt, |
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'post_name' => $post->post_name, |
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'post_parent' => $post->post_parent, |
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'post_password' => $post->post_password, |
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'post_status' => 'draft', |
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'post_title' => $post->post_title . ' - Copy of #' . $post_id, |
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'post_type' => $post->post_type, |
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'to_ping' => $post->to_ping, |
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'menu_order' => $post->menu_order |
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); |
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/* |
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* insert the post by wp_insert_post() function |
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*/ |
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$new_post_id = wp_insert_post($args); |
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/* |
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* get all current post terms ad set them to the new post draft |
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*/ |
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$taxonomies = get_object_taxonomies($post->post_type); // returns array of taxonomy names for post type, ex array("category", "post_tag"); |
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foreach ($taxonomies as $taxonomy) { |
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$post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs')); |
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wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false); |
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} |
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/* |
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* duplicate all post meta just in two SQL queries |
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*/ |
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// Copy post metadata |
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$data = get_post_custom($post_id); |
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foreach ($data as $key => $values) { |
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foreach ($values as $value) { |
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add_post_meta($new_post_id, $key, maybe_unserialize($value)); // it is important to unserialize data to avoid conflicts. |
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} |
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} |
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/* |
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* finally, redirect to the edit post screen for the new draft |
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*/ |
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wp_safe_redirect(admin_url('post.php?action=edit&post=' . $new_post_id)); |
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exit; |
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} else { |
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wp_die('Post creation failed, could not find original post: ' . wp_kses_post($post_id)); |
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} |
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} |
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add_action('admin_action_post_grid_duplicate_post_as_draft', 'post_grid_duplicate_post_as_draft'); |
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/* |
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* Add the duplicate link to action list for post_row_actions |
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*/ |
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function post_grid_duplicate_post_link($actions, $post) |
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{ |
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if (current_user_can('edit_posts') && ($post->post_type == 'post_grid' || $post->post_type == 'post_grid_template' || $post->post_type == 'post_grid_layout')) { |
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$actions['duplicate'] = '<a href="' . wp_nonce_url('admin.php?action=post_grid_duplicate_post_as_draft&post=' . $post->ID, basename(__FILE__), 'duplicate_nonce') . '" title="Duplicate this item" rel="permalink">Duplicate</a>'; |
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} |
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return $actions; |
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} |
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add_filter('post_row_actions', 'post_grid_duplicate_post_link', 10, 2); |
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