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Home ยป Duplicate Posts

Duplicate Posts

<?php
function duplicate_post_as_draft(){
global $wpdb;
if (! (isset($_GET['post']) || isset($_POST['post']) || (isset($_REQUEST['action']) && 'duplicate_post_as_draft' == $_REQUEST['action']))) {
wp_die('No post to duplicate has been supplied!');
}

$post_id = (isset($_GET['post']) ? $_GET['post'] : $_POST['post']);
$post = get_post($post_id);

$current_user = wp_get_current_user();
$new_post_author = $current_user->ID;

if (isset($post) && $post != null) {
$args = array(
'comment_status' => $post->comment_status,
'ping_status' => $post->ping_status,
'post_author' => $new_post_author,
'post_content' => $post->post_content,
'post_excerpt' => $post->post_excerpt,
'post_name' => $post->post_name,
'post_parent' => $post->post_parent,
'post_password' => $post->post_password,
'post_status' => 'draft',
'post_title' => $post->post_title,
'post_type' => $post->post_type,
'to_ping' => $post->to_ping,
'menu_order' => $post->menu_order
);

$new_post_id = wp_insert_post($args);

$taxonomies = get_object_taxonomies($post->post_type);
foreach ($taxonomies as $taxonomy) {
$post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs'));
wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false);
}

$post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$post_id");
if (count($post_meta_infos)!=0) {
$sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
foreach ($post_meta_infos as $meta_info) {
$meta_key = $meta_info->meta_key;
$meta_value = addslashes($meta_info->meta_value);
$sql_query_sel[]= "SELECT $new_post_id, '$meta_key', '$meta_value'";
}
$sql_query.= implode(" UNION ALL ", $sql_query_sel);
$wpdb->query($sql_query);
}

wp_redirect(admin_url('edit.php?post_type='.$post->post_type));
exit;
} else {
wp_die('Post creation failed, could not find original post: ' . $post_id);
}
}
add_action('admin_action_duplicate_post_as_draft', 'duplicate_post_as_draft');

function duplicate_post_link($actions, $post) {
if (current_user_can('edit_posts')) {
$actions['duplicate'] = '<a href="' . wp_nonce_url('admin.php?action=duplicate_post_as_draft&post=' . $post->ID, basename(__FILE__), 'duplicate_nonce') . '" title="Duplicate this item" rel="permalink">Duplicate</a>';
}
return $actions;
}
add_filter('post_row_actions', 'duplicate_post_link', 10, 2);
add_filter('page_row_actions', 'duplicate_post_link', 10, 2);

Filed Under: Other

About Gabor Flamich

I'm a web developer and designer based in Budapest, Hungary. In recent years, I've documented hundreds of solutions I came across during development. This site is an archive for useful code snippets on WordPress, Genesis Framework and WooCommerce. If You have any questions related to WordPress development, get in touch!

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Gabor Flamich

Hi! I'm Gabor.
I write tutorials on WordPress and WooCommerce.

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