W3cubDocs

/WordPress

_wp_ajax_add_hierarchical_term()

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Ajax handler for adding a hierarchical term.

Description

Source

File: wp-admin/includes/ajax-actions.php

function _wp_ajax_add_hierarchical_term() {
	$action   = $_POST['action'];
	$taxonomy = get_taxonomy( substr( $action, 4 ) );
	check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
	if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
		wp_die( -1 );
	}
	$names  = explode( ',', $_POST[ 'new' . $taxonomy->name ] );
	$parent = isset( $_POST[ 'new' . $taxonomy->name . '_parent' ] ) ? (int) $_POST[ 'new' . $taxonomy->name . '_parent' ] : 0;
	if ( 0 > $parent ) {
		$parent = 0;
	}
	if ( $taxonomy->name == 'category' ) {
		$post_category = isset( $_POST['post_category'] ) ? (array) $_POST['post_category'] : array();
	} else {
		$post_category = ( isset( $_POST['tax_input'] ) && isset( $_POST['tax_input'][ $taxonomy->name ] ) ) ? (array) $_POST['tax_input'][ $taxonomy->name ] : array();
	}
	$checked_categories = array_map( 'absint', (array) $post_category );
	$popular_ids        = wp_popular_terms_checklist( $taxonomy->name, 0, 10, false );

	foreach ( $names as $cat_name ) {
		$cat_name          = trim( $cat_name );
		$category_nicename = sanitize_title( $cat_name );
		if ( '' === $category_nicename ) {
			continue;
		}

		$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
			continue;
		} else {
			$cat_id = $cat_id['term_id'];
		}
		$checked_categories[] = $cat_id;
		if ( $parent ) { // Do these all at once in a second
			continue;
		}

		ob_start();

		wp_terms_checklist(
			0,
			array(
				'taxonomy'             => $taxonomy->name,
				'descendants_and_self' => $cat_id,
				'selected_cats'        => $checked_categories,
				'popular_cats'         => $popular_ids,
			)
		);

		$data = ob_get_clean();

		$add = array(
			'what'     => $taxonomy->name,
			'id'       => $cat_id,
			'data'     => str_replace( array( "\n", "\t" ), '', $data ),
			'position' => -1,
		);
	}

	if ( $parent ) { // Foncy - replace the parent and all its children
		$parent  = get_term( $parent, $taxonomy->name );
		$term_id = $parent->term_id;

		while ( $parent->parent ) { // get the top parent
			$parent = get_term( $parent->parent, $taxonomy->name );
			if ( is_wp_error( $parent ) ) {
				break;
			}
			$term_id = $parent->term_id;
		}

		ob_start();

		wp_terms_checklist(
			0,
			array(
				'taxonomy'             => $taxonomy->name,
				'descendants_and_self' => $term_id,
				'selected_cats'        => $checked_categories,
				'popular_cats'         => $popular_ids,
			)
		);

		$data = ob_get_clean();

		$add = array(
			'what'     => $taxonomy->name,
			'id'       => $term_id,
			'data'     => str_replace( array( "\n", "\t" ), '', $data ),
			'position' => -1,
		);
	}

	ob_start();

	wp_dropdown_categories(
		array(
			'taxonomy'         => $taxonomy->name,
			'hide_empty'       => 0,
			'name'             => 'new' . $taxonomy->name . '_parent',
			'orderby'          => 'name',
			'hierarchical'     => 1,
			'show_option_none' => '— ' . $taxonomy->labels->parent_item . ' —',
		)
	);

	$sup = ob_get_clean();

	$add['supplemental'] = array( 'newcat_parent' => $sup );

	$x = new WP_Ajax_Response( $add );
	$x->send();
}

Changelog

Version Description
3.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_wp_ajax_add_hierarchical_term