W3cubDocs

/WordPress

wp_ajax_delete_tag()

Ajax handler for deleting a tag.

Source

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

function wp_ajax_delete_tag() {
	$tag_id = (int) $_POST['tag_ID'];
	check_ajax_referer( "delete-tag_$tag_id" );

	if ( ! current_user_can( 'delete_term', $tag_id ) ) {
		wp_die( -1 );
	}

	$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
	$tag      = get_term( $tag_id, $taxonomy );

	if ( ! $tag || is_wp_error( $tag ) ) {
		wp_die( 1 );
	}

	if ( wp_delete_term( $tag_id, $taxonomy ) ) {
		wp_die( 1 );
	} else {
		wp_die( 0 );
	}
}

Uses

Uses Description
wp-includes/capabilities.php: current_user_can()

Returns whether the current user has the specified capability.
wp-includes/pluggable.php: check_ajax_referer()

Verifies the Ajax request to prevent processing requests external of the blog.
wp-includes/functions.php: wp_die()

Kills WordPress execution and displays HTML page with an error message.
wp-includes/taxonomy.php: wp_delete_term()

Removes a term from the database.
wp-includes/taxonomy.php: get_term()

Get all Term data from database by Term ID.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.

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_delete_tag