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<?php
/**
* Backend functions.
*
* @package Yoast\WP\Duplicate_Post
* @since 2.0
*/
if ( ! is_admin() ) {
return;
}
use Yoast\WP\Duplicate_Post\UI\Newsletter;
require_once DUPLICATE_POST_PATH . 'options.php';
require_once DUPLICATE_POST_PATH . 'compat/wpml-functions.php';
require_once DUPLICATE_POST_PATH . 'compat/jetpack-functions.php';
/**
* Wrapper for the option 'duplicate_post_version'.
*/
function duplicate_post_get_installed_version() {
return get_option( 'duplicate_post_version' );
}
/**
* Wrapper for the defined constant DUPLICATE_POST_CURRENT_VERSION.
*/
function duplicate_post_get_current_version() {
return DUPLICATE_POST_CURRENT_VERSION;
}
add_action( 'admin_init', 'duplicate_post_admin_init' );
/**
* Adds handlers depending on the options.
*/
function duplicate_post_admin_init() {
duplicate_post_plugin_upgrade();
if ( intval( get_site_option( 'duplicate_post_show_notice' ) ) === 1 ) {
if ( is_multisite() ) {
add_action( 'network_admin_notices', 'duplicate_post_show_update_notice' );
}
else {
add_action( 'admin_notices', 'duplicate_post_show_update_notice' );
}
add_action( 'wp_ajax_duplicate_post_dismiss_notice', 'duplicate_post_dismiss_notice' );
}
add_action( 'dp_duplicate_post', 'duplicate_post_copy_post_meta_info', 10, 2 );
add_action( 'dp_duplicate_page', 'duplicate_post_copy_post_meta_info', 10, 2 );
if ( intval( get_option( 'duplicate_post_copychildren' ) ) === 1 ) {
add_action( 'dp_duplicate_post', 'duplicate_post_copy_children', 20, 3 );
add_action( 'dp_duplicate_page', 'duplicate_post_copy_children', 20, 3 );
}
if ( intval( get_option( 'duplicate_post_copyattachments' ) ) === 1 ) {
add_action( 'dp_duplicate_post', 'duplicate_post_copy_attachments', 30, 2 );
add_action( 'dp_duplicate_page', 'duplicate_post_copy_attachments', 30, 2 );
}
if ( intval( get_option( 'duplicate_post_copycomments' ) ) === 1 ) {
add_action( 'dp_duplicate_post', 'duplicate_post_copy_comments', 40, 2 );
add_action( 'dp_duplicate_page', 'duplicate_post_copy_comments', 40, 2 );
}
add_action( 'dp_duplicate_post', 'duplicate_post_copy_post_taxonomies', 50, 2 );
add_action( 'dp_duplicate_page', 'duplicate_post_copy_post_taxonomies', 50, 2 );
add_filter( 'plugin_row_meta', 'duplicate_post_add_plugin_links', 10, 2 );
}
/**
* Plugin upgrade.
*/
function duplicate_post_plugin_upgrade() {
$installed_version = duplicate_post_get_installed_version();
if ( duplicate_post_get_current_version() === $installed_version ) {
return;
}
if ( empty( $installed_version ) ) {
// Get default roles.
$default_roles = [
'editor',
'administrator',
'wpseo_manager',
'wpseo_editor',
];
foreach ( $default_roles as $name ) {
$role = get_role( $name );
if ( ! empty( $role ) ) {
$role->add_cap( 'copy_posts' );
}
}
add_option( 'duplicate_post_show_notice', 1 );
}
else {
update_option( 'duplicate_post_show_notice', 0 );
}
$show_links_in_defaults = [
'row' => '1',
'adminbar' => '1',
'submitbox' => '1',
'bulkactions' => '1',
];
add_option( 'duplicate_post_copytitle', '1' );
add_option( 'duplicate_post_copydate', '0' );
add_option( 'duplicate_post_copystatus', '0' );
add_option( 'duplicate_post_copyslug', '0' );
add_option( 'duplicate_post_copyexcerpt', '1' );
add_option( 'duplicate_post_copycontent', '1' );
add_option( 'duplicate_post_copythumbnail', '1' );
add_option( 'duplicate_post_copytemplate', '1' );
add_option( 'duplicate_post_copyformat', '1' );
add_option( 'duplicate_post_copyauthor', '0' );
add_option( 'duplicate_post_copypassword', '0' );
add_option( 'duplicate_post_copyattachments', '0' );
add_option( 'duplicate_post_copychildren', '0' );
add_option( 'duplicate_post_copycomments', '0' );
add_option( 'duplicate_post_copymenuorder', '1' );
add_option( 'duplicate_post_taxonomies_blacklist', [] );
add_option( 'duplicate_post_blacklist', '' );
add_option( 'duplicate_post_types_enabled', [ 'post', 'page' ] );
add_option( 'duplicate_post_show_original_column', '0' );
add_option( 'duplicate_post_show_original_in_post_states', '0' );
add_option( 'duplicate_post_show_original_meta_box', '0' );
add_option(
'duplicate_post_show_link',
[
'new_draft' => '1',
'clone' => '1',
'rewrite_republish' => '1',
]
);
add_option( 'duplicate_post_show_link_in', $show_links_in_defaults );
$taxonomies_blacklist = get_option( 'duplicate_post_taxonomies_blacklist' );
if ( $taxonomies_blacklist === '' ) {
$taxonomies_blacklist = [];
}
if ( in_array( 'post_format', $taxonomies_blacklist, true ) ) {
update_option( 'duplicate_post_copyformat', 0 );
$taxonomies_blacklist = array_diff( $taxonomies_blacklist, [ 'post_format' ] );
update_option( 'duplicate_post_taxonomies_blacklist', $taxonomies_blacklist );
}
$meta_blacklist = explode( ',', get_option( 'duplicate_post_blacklist' ) );
if ( $meta_blacklist === '' ) {
$meta_blacklist = [];
}
$meta_blacklist = array_map( 'trim', $meta_blacklist );
if ( in_array( '_wp_page_template', $meta_blacklist, true ) ) {
update_option( 'duplicate_post_copytemplate', 0 );
$meta_blacklist = array_diff( $meta_blacklist, [ '_wp_page_template' ] );
}
if ( in_array( '_thumbnail_id', $meta_blacklist, true ) ) {
update_option( 'duplicate_post_copythumbnail', 0 );
$meta_blacklist = array_diff( $meta_blacklist, [ '_thumbnail_id' ] );
}
update_option( 'duplicate_post_blacklist', implode( ',', $meta_blacklist ) );
if ( version_compare( $installed_version, '4.0.0' ) < 0 ) {
// Migrate the 'Show links in' options to the new array-based structure.
duplicate_post_migrate_show_links_in_options( $show_links_in_defaults );
}
delete_site_option( 'duplicate_post_version' );
update_option( 'duplicate_post_version', duplicate_post_get_current_version() );
}
/**
* Runs the upgrade routine for version 4.0 to update the options in the database.
*
* @param array $defaults The default options to fall back on.
*
* @return void
*/
function duplicate_post_migrate_show_links_in_options( $defaults ) {
$options_to_migrate = [
'duplicate_post_show_row' => 'row',
'duplicate_post_show_adminbar' => 'adminbar',
'duplicate_post_show_submitbox' => 'submitbox',
'duplicate_post_show_bulkactions' => 'bulkactions',
];
$new_options = [];
foreach ( $options_to_migrate as $old => $new ) {
$new_options[ $new ] = get_option( $old, $defaults[ $new ] );
delete_option( $old );
}
update_option( 'duplicate_post_show_link_in', $new_options );
}
/**
* Shows the welcome notice.
*
* @global string $wp_version The WordPress version string.
*/
function duplicate_post_show_update_notice() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
$current_screen = get_current_screen();
if ( empty( $current_screen )
|| empty( $current_screen->base )
|| ( $current_screen->base !== 'dashboard' && $current_screen->base !== 'plugins' )
) {
return;
}
$title = sprintf(
/* translators: %s: Yoast Duplicate Post. */
esc_html__( 'You\'ve successfully installed %s!', 'duplicate-post' ),
'Yoast Duplicate Post'
);
$img_path = plugins_url( '/duplicate_post_yoast_icon-125x125.png', __FILE__ );
echo '<div id="duplicate-post-notice" class="notice is-dismissible" style="display: flex; align-items: flex-start;">
<img src="' . esc_url( $img_path ) . '" alt="" style="margin: 1em 1em 1em 0; width: 130px; align-self: center;"/>
<div stle="margin: 0.5em">
<h1 style="font-size: 14px; color: #a4286a; font-weight: 600; margin-top: 8px;">' . $title . '</h1>' // phpcs:ignore WordPress.Security.EscapeOutput -- Reason: escaped properly above.
. Newsletter::newsletter_signup_form() // phpcs:ignore WordPress.Security.EscapeOutput -- Reason: escaped in newsletter.php.
. '</div>
</div>';
echo "<script>
function duplicate_post_dismiss_notice(){
var data = {
'action': 'duplicate_post_dismiss_notice',
};
jQuery.post(ajaxurl, data, function(response) {
jQuery('#duplicate-post-notice').hide();
});
}
jQuery(document).ready(function(){
jQuery('body').on('click', '.notice-dismiss', function(){
duplicate_post_dismiss_notice();
});
});
</script>";
}
/**
* Dismisses the notice.
*
* @return bool
*/
function duplicate_post_dismiss_notice() {
return update_site_option( 'duplicate_post_show_notice', 0 );
}
/**
* Copies the taxonomies of a post to another post.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $new_id New post ID.
* @param WP_Post $post The original post object.
*/
function duplicate_post_copy_post_taxonomies( $new_id, $post ) {
global $wpdb;
if ( isset( $wpdb->terms ) ) {
// Clear default category (added by wp_insert_post).
wp_set_object_terms( $new_id, null, 'category' );
$post_taxonomies = get_object_taxonomies( $post->post_type );
// Several plugins just add support to post-formats but don't register post_format taxonomy.
if ( post_type_supports( $post->post_type, 'post-formats' ) && ! in_array( 'post_format', $post_taxonomies, true ) ) {
$post_taxonomies[] = 'post_format';
}
$taxonomies_blacklist = get_option( 'duplicate_post_taxonomies_blacklist' );
if ( $taxonomies_blacklist === '' ) {
$taxonomies_blacklist = [];
}
if ( intval( get_option( 'duplicate_post_copyformat' ) ) === 0 ) {
$taxonomies_blacklist[] = 'post_format';
}
/**
* Filters the taxonomy excludelist when copying a post.
*
* @param array $taxonomies_blacklist The taxonomy excludelist from the options.
*
* @return array
*/
$taxonomies_blacklist = apply_filters( 'duplicate_post_taxonomies_excludelist_filter', $taxonomies_blacklist );
$taxonomies = array_diff( $post_taxonomies, $taxonomies_blacklist );
foreach ( $taxonomies as $taxonomy ) {
$post_terms = wp_get_object_terms( $post->ID, $taxonomy, [ 'orderby' => 'term_order' ] );
$terms = [];
$num_terms = count( $post_terms );
for ( $i = 0; $i < $num_terms; $i++ ) {
$terms[] = $post_terms[ $i ]->slug;
}
wp_set_object_terms( $new_id, $terms, $taxonomy );
}
}
}
/**
* Copies the meta information of a post to another post
*
* @param int $new_id The new post ID.
* @param WP_Post $post The original post object.
*/
function duplicate_post_copy_post_meta_info( $new_id, $post ) {
$post_meta_keys = get_post_custom_keys( $post->ID );
if ( empty( $post_meta_keys ) ) {
return;
}
$meta_blacklist = get_option( 'duplicate_post_blacklist' );
if ( $meta_blacklist === '' ) {
$meta_blacklist = [];
}
else {
$meta_blacklist = explode( ',', $meta_blacklist );
$meta_blacklist = array_filter( $meta_blacklist );
$meta_blacklist = array_map( 'trim', $meta_blacklist );
}
$meta_blacklist[] = '_edit_lock'; // Edit lock.
$meta_blacklist[] = '_edit_last'; // Edit lock.
$meta_blacklist[] = '_dp_is_rewrite_republish_copy';
$meta_blacklist[] = '_dp_has_rewrite_republish_copy';
if ( intval( get_option( 'duplicate_post_copytemplate' ) ) === 0 ) {
$meta_blacklist[] = '_wp_page_template';
}
if ( intval( get_option( 'duplicate_post_copythumbnail' ) ) === 0 ) {
$meta_blacklist[] = '_thumbnail_id';
}
$meta_blacklist = apply_filters_deprecated( 'duplicate_post_blacklist_filter', [ $meta_blacklist ], '3.2.5', 'duplicate_post_excludelist_filter' );
/**
* Filters the meta fields excludelist when copying a post.
*
* @param array $meta_blacklist The meta fields excludelist from the options.
*
* @return array
*/
$meta_blacklist = apply_filters( 'duplicate_post_excludelist_filter', $meta_blacklist );
$meta_blacklist_string = '(' . implode( ')|(', $meta_blacklist ) . ')';
if ( strpos( $meta_blacklist_string, '*' ) !== false ) {
$meta_blacklist_string = str_replace( [ '*' ], [ '[a-zA-Z0-9_]*' ], $meta_blacklist_string );
$meta_keys = [];
foreach ( $post_meta_keys as $meta_key ) {
if ( ! preg_match( '#^' . $meta_blacklist_string . '$#', $meta_key ) ) {
$meta_keys[] = $meta_key;
}
}
}
else {
$meta_keys = array_diff( $post_meta_keys, $meta_blacklist );
}
/**
* Filters the list of meta fields names when copying a post.
*
* @param array $meta_keys The list of meta fields name, with the ones in the excludelist already removed.
*
* @return array
*/
$meta_keys = apply_filters( 'duplicate_post_meta_keys_filter', $meta_keys );
foreach ( $meta_keys as $meta_key ) {
$meta_values = get_post_custom_values( $meta_key, $post->ID );
foreach ( $meta_values as $meta_value ) {
$meta_value = maybe_unserialize( $meta_value );
add_post_meta( $new_id, $meta_key, duplicate_post_wp_slash( $meta_value ) );
}
}
}
/**
* Workaround for inconsistent wp_slash.
* Works only with WP 4.4+ (map_deep)
*
* @param mixed $value Array or object to be recursively slashed.
* @return string|mixed
*/
function duplicate_post_addslashes_deep( $value ) {
if ( function_exists( 'map_deep' ) ) {
return map_deep( $value, 'duplicate_post_addslashes_to_strings_only' );
}
else {
return wp_slash( $value );
}
}
/**
* Adds slashes only to strings.
*
* @param mixed $value Value to slash only if string.
* @return string|mixed
*/
function duplicate_post_addslashes_to_strings_only( $value ) {
return Yoast\WP\Duplicate_Post\Utils::addslashes_to_strings_only( $value );
}
/**
* Replacement function for faulty core wp_slash().
*
* @param mixed $value What to add slash to.
* @return mixed
*/
function duplicate_post_wp_slash( $value ) {
return duplicate_post_addslashes_deep( $value );
}
/**
* Copies attachments, including physical files.
*
* @param int $new_id The new post ID.
* @param WP_Post $post The original post object.
*/
function duplicate_post_copy_attachments( $new_id, $post ) {
// Get thumbnail ID.
$old_thumbnail_id = get_post_thumbnail_id( $post->ID );
// Get children.
$children = get_posts(
[
'post_type' => 'any',
'numberposts' => -1,
'post_status' => 'any',
'post_parent' => $post->ID,
]
);
// Clone old attachments.
foreach ( $children as $child ) {
if ( $child->post_type !== 'attachment' ) {
continue;
}
$url = wp_get_attachment_url( $child->ID );
// Let's copy the actual file.
$tmp = download_url( $url );
if ( is_wp_error( $tmp ) ) {
continue;
}
$desc = wp_slash( $child->post_content );
$file_array = [];
$file_array['name'] = basename( $url );
$file_array['tmp_name'] = $tmp;
// "Upload" to the media collection
$new_attachment_id = media_handle_sideload( $file_array, $new_id, $desc );
if ( is_wp_error( $new_attachment_id ) ) {
unlink( $file_array['tmp_name'] );
continue;
}
$new_post_author = wp_get_current_user();
$cloned_child = [
'ID' => $new_attachment_id,
'post_title' => $child->post_title,
'post_exceprt' => $child->post_title,
'post_author' => $new_post_author->ID,
];
wp_update_post( wp_slash( $cloned_child ) );
$alt_title = get_post_meta( $child->ID, '_wp_attachment_image_alt', true );
if ( $alt_title ) {
update_post_meta( $new_attachment_id, '_wp_attachment_image_alt', wp_slash( $alt_title ) );
}
// If we have cloned the post thumbnail, set the copy as the thumbnail for the new post.
if ( intval( get_option( 'duplicate_post_copythumbnail' ) ) === 1 && $old_thumbnail_id === $child->ID ) {
set_post_thumbnail( $new_id, $new_attachment_id );
}
}
}
/**
* Copies child posts.
*
* @param int $new_id The new post ID.
* @param WP_Post $post The original post object.
* @param string $status Optional. The destination status.
*/
function duplicate_post_copy_children( $new_id, $post, $status = '' ) {
// Get children.
$children = get_posts(
[
'post_type' => 'any',
'numberposts' => -1,
'post_status' => 'any',
'post_parent' => $post->ID,
]
);
foreach ( $children as $child ) {
if ( $child->post_type === 'attachment' ) {
continue;
}
duplicate_post_create_duplicate( $child, $status, $new_id );
}
}
/**
* Copies comments.
*
* @param int $new_id The new post ID.
* @param WP_Post $post The original post object.
*/
function duplicate_post_copy_comments( $new_id, $post ) {
$comments = get_comments(
[
'post_id' => $post->ID,
'order' => 'ASC',
'orderby' => 'comment_date_gmt',
]
);
$old_id_to_new = [];
foreach ( $comments as $comment ) {
// Do not copy pingbacks or trackbacks.
if ( $comment->comment_type === 'pingback' || $comment->comment_type === 'trackback' ) {
continue;
}
$parent = ( $comment->comment_parent && $old_id_to_new[ $comment->comment_parent ] ) ? $old_id_to_new[ $comment->comment_parent ] : 0;
$commentdata = [
'comment_post_ID' => $new_id,
'comment_author' => $comment->comment_author,
'comment_author_email' => $comment->comment_author_email,
'comment_author_url' => $comment->comment_author_url,
'comment_content' => $comment->comment_content,
'comment_type' => $comment->comment_type,
'comment_parent' => $parent,
'user_id' => $comment->user_id,
'comment_author_IP' => $comment->comment_author_IP,
'comment_agent' => $comment->comment_agent,
'comment_karma' => $comment->comment_karma,
'comment_approved' => $comment->comment_approved,
];
if ( intval( get_option( 'duplicate_post_copydate' ) ) === 1 ) {
$commentdata['comment_date'] = $comment->comment_date;
$commentdata['comment_date_gmt'] = get_gmt_from_date( $comment->comment_date );
}
$new_comment_id = wp_insert_comment( $commentdata );
$commentmeta = get_comment_meta( $new_comment_id );
foreach ( $commentmeta as $meta_key => $meta_value ) {
add_comment_meta( $new_comment_id, $meta_key, duplicate_post_wp_slash( $meta_value ) );
}
$old_id_to_new[ $comment->comment_ID ] = $new_comment_id;
}
}
/**
* Creates a duplicate from a post.
*
* This is the main functions that does the cloning.
*
* @param WP_Post $post The original post object.
* @param string $status Optional. The intended destination status.
* @param string $parent_id Optional. The parent post ID if we are calling this recursively.
* @return int|WP_Error
*/
function duplicate_post_create_duplicate( $post, $status = '', $parent_id = '' ) {
/**
* Fires before duplicating a post.
*
* @param WP_Post $post The original post object.
* @param bool $status The intended destination status.
* @param int $parent_id The parent post ID if we are calling this recursively.
*/
do_action( 'duplicate_post_pre_copy', $post, $status, $parent_id );
/**
* Filter allowing to copy post.
*
* @param bool $can_duplicate Default to `true`.
* @param WP_Post $post The original post object.
* @param bool $status The intended destination status.
* @param int $parent_id The parent post ID if we are calling this recursively.
*
* @return bool
*/
$can_duplicate = apply_filters( 'duplicate_post_allow', true, $post, $status, $parent_id );
if ( ! $can_duplicate ) {
wp_die( esc_html( __( 'You aren\'t allowed to duplicate this post', 'duplicate-post' ) ) );
}
if ( ! duplicate_post_is_post_type_enabled( $post->post_type ) && $post->post_type !== 'attachment' ) {
wp_die(
esc_html(
__( 'Copy features for this post type are not enabled in options page', 'duplicate-post' ) . ': '
. $post->post_type
)
);
}
$new_post_status = ( empty( $status ) ) ? $post->post_status : $status;
$title = ' ';
if ( $post->post_type !== 'attachment' ) {
$prefix = sanitize_text_field( get_option( 'duplicate_post_title_prefix' ) );
$suffix = sanitize_text_field( get_option( 'duplicate_post_title_suffix' ) );
if ( intval( get_option( 'duplicate_post_copytitle' ) ) === 1 ) {
$title = $post->post_title;
if ( ! empty( $prefix ) ) {
$prefix .= ' ';
}
if ( ! empty( $suffix ) ) {
$suffix = ' ' . $suffix;
}
}
else {
$title = ' ';
}
$title = trim( $prefix . $title . $suffix );
/*
* Not sure we should force a title. Instead, we should respect what WP does.
* if ( '' === $title ) {
* // empty title.
* $title = __( 'Untitled', 'default' );
* }
*/
if ( intval( get_option( 'duplicate_post_copystatus' ) ) === 0 ) {
$new_post_status = 'draft';
}
elseif ( $new_post_status === 'publish' || $new_post_status === 'future' ) {
// Check if the user has the right capability.
if ( is_post_type_hierarchical( $post->post_type ) ) {
if ( ! current_user_can( 'publish_pages' ) ) {
$new_post_status = 'pending';
}
}
elseif ( ! current_user_can( 'publish_posts' ) ) {
$new_post_status = 'pending';
}
}
}
$new_post_author = wp_get_current_user();
$new_post_author_id = $new_post_author->ID;
if ( intval( get_option( 'duplicate_post_copyauthor' ) ) === 1 ) {
// Check if the user has the right capability.
if ( is_post_type_hierarchical( $post->post_type ) ) {
if ( current_user_can( 'edit_others_pages' ) ) {
$new_post_author_id = $post->post_author;
}
}
elseif ( current_user_can( 'edit_others_posts' ) ) {
$new_post_author_id = $post->post_author;
}
}
$menu_order = ( intval( get_option( 'duplicate_post_copymenuorder' ) ) === 1 ) ? $post->menu_order : 0;
$increase_menu_order_by = get_option( 'duplicate_post_increase_menu_order_by' );
if ( ! empty( $increase_menu_order_by ) && is_numeric( $increase_menu_order_by ) ) {
$menu_order += intval( $increase_menu_order_by );
}
$post_name = $post->post_name;
if ( intval( get_option( 'duplicate_post_copyslug' ) ) !== 1 ) {
$post_name = '';
}
$new_post_parent = empty( $parent_id ) ? $post->post_parent : $parent_id;
$new_post = [
'menu_order' => $menu_order,
'comment_status' => $post->comment_status,
'ping_status' => $post->ping_status,
'post_author' => $new_post_author_id,
'post_content' => ( intval( get_option( 'duplicate_post_copycontent' ) ) === 1 ) ? $post->post_content : '',
'post_content_filtered' => ( intval( get_option( 'duplicate_post_copycontent' ) ) === 1 ) ? $post->post_content_filtered : '',
'post_excerpt' => ( intval( get_option( 'duplicate_post_copyexcerpt' ) ) === 1 ) ? $post->post_excerpt : '',
'post_mime_type' => $post->post_mime_type,
'post_parent' => $new_post_parent,
'post_password' => ( intval( get_option( 'duplicate_post_copypassword' ) ) === 1 ) ? $post->post_password : '',
'post_status' => $new_post_status,
'post_title' => $title,
'post_type' => $post->post_type,
'post_name' => $post_name,
];
if ( intval( get_option( 'duplicate_post_copydate' ) ) === 1 ) {
$new_post_date = $post->post_date;
$new_post['post_date'] = $new_post_date;
$new_post['post_date_gmt'] = get_gmt_from_date( $new_post_date );
}
/**
* Filter new post values.
*
* @param array $new_post New post values.
* @param WP_Post $post Original post object.
*
* @return array
*/
$new_post = apply_filters( 'duplicate_post_new_post', $new_post, $post );
$new_post_id = wp_insert_post( wp_slash( $new_post ), true );
// If you have written a plugin which uses non-WP database tables to save
// information about a post you can hook this action to dupe that data.
if ( $new_post_id !== 0 && ! is_wp_error( $new_post_id ) ) {
if ( $post->post_type === 'page' || is_post_type_hierarchical( $post->post_type ) ) {
do_action( 'dp_duplicate_page', $new_post_id, $post, $status );
}
else {
do_action( 'dp_duplicate_post', $new_post_id, $post, $status );
}
delete_post_meta( $new_post_id, '_dp_original' );
add_post_meta( $new_post_id, '_dp_original', $post->ID );
}
/**
* Fires after duplicating a post.
*
* @param int|WP_Error $new_post_id The new post id or WP_Error object on error.
* @param WP_Post $post The original post object.
* @param bool $status The intended destination status.
* @param int $parent_id The parent post ID if we are calling this recursively.
*/
do_action( 'duplicate_post_post_copy', $new_post_id, $post, $status, $parent_id );
return $new_post_id;
}
/**
* Adds some links on the plugin page.
*
* @param array $links The links array.
* @param string $file The file name.
* @return array
*/
function duplicate_post_add_plugin_links( $links, $file ) {
if ( plugin_basename( __DIR__ . '/duplicate-post.php' ) === $file ) {
$links[] = '<a href="https://yoast.com/wordpress/plugins/duplicate-post">' . esc_html__( 'Documentation', 'duplicate-post' ) . '</a>';
}
return $links;
}
