Tag: junior fencing

// Add duplicate button to post/page list of actions.
add_filter( ‘post_row_actions’, ‘wpcode_snippet_duplicate_post_link’, 10, 2 );
add_filter( ‘page_row_actions’, ‘wpcode_snippet_duplicate_post_link’, 10, 2 );

// Let’s make sure the function doesn’t already exist.
if ( ! function_exists( ‘wpcode_snippet_duplicate_post_link’ ) ) {
/**
* @param array $actions The actions added as links to the admin.
* @param WP_Post $post The post object.
*
* @return array
*/
function wpcode_snippet_duplicate_post_link( $actions, $post ) {

// Don’t add action if the current user can’t create posts of this post type.
$post_type_object = get_post_type_object( $post->post_type );

if ( null === $post_type_object || ! current_user_can( $post_type_object->cap->create_posts ) ) {
return $actions;
}

$url = wp_nonce_url(
add_query_arg(
array(
‘action’ => ‘wpcode_snippet_duplicate_post’,
‘post_id’ => $post->ID,
),
‘admin.php’
),
‘wpcode_duplicate_post_’ . $post->ID,
‘wpcode_duplicate_nonce’
);

$actions[‘wpcode_duplicate’] = ‘Duplicate‘;

return $actions;
}
}

/**
* Handle the custom action when clicking the button we added above.
*/
add_action( ‘admin_action_wpcode_snippet_duplicate_post’, function () {

if ( empty( $_GET[‘post_id’] ) ) {
wp_die( ‘No post id set for the duplicate action.’ );
}

$post_id = absint( $_GET[‘post_id’] );

// Check the nonce specific to the post we are duplicating.
if ( ! isset( $_GET[‘wpcode_duplicate_nonce’] ) || ! wp_verify_nonce( $_GET[‘wpcode_duplicate_nonce’], ‘wpcode_duplicate_post_’ . $post_id ) ) {
// Display a message if the nonce is invalid, may it expired.
wp_die( ‘The link you followed has expired, please try again.’ );
}

// Load the post we want to duplicate.
$post = get_post( $post_id );

// Create a new post data array from the post loaded.
if ( $post ) {
$current_user = wp_get_current_user();
$new_post = array(
‘comment_status’ => $post->comment_status,
‘menu_order’ => $post->menu_order,
‘ping_status’ => $post->ping_status,
‘post_author’ => $current_user->ID,
‘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 . ‘ (copy)’,// Add “(copy)” to the title.
‘post_type’ => $post->post_type,
‘to_ping’ => $post->to_ping,
);
// Create the new post
$duplicate_id = wp_insert_post( $new_post );
// Copy the taxonomy terms.
$taxonomies = get_object_taxonomies( get_post_type( $post ) );
if ( $taxonomies ) {
foreach ( $taxonomies as $taxonomy ) {
$post_terms = wp_get_object_terms( $post_id, $taxonomy, array( ‘fields’ => ‘slugs’ ) );
wp_set_object_terms( $duplicate_id, $post_terms, $taxonomy );
}
}
// Copy all the custom fields.
$post_meta = get_post_meta( $post_id );
if ( $post_meta ) {

foreach ( $post_meta as $meta_key => $meta_values ) {
if ( ‘_wp_old_slug’ === $meta_key ) { // skip old slug.
continue;
}
foreach ( $meta_values as $meta_value ) {
add_post_meta( $duplicate_id, $meta_key, $meta_value );
}
}
}

// Redirect to edit the new post.
wp_safe_redirect(
add_query_arg(
array(
‘action’ => ‘edit’,
‘post’ => $duplicate_id
),
admin_url( ‘post.php’ )
)
);
exit;
} else {
wp_die( ‘Error loading post for duplication, please try again.’ );
}
} );