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_jsonp_wp_die_handler() WP 5.2.0

Kills WordPress execution and displays JSONP response with an error message.

This is the handler for wp_die() when processing JSONP requests.

This is an internal function for using it by WP core itself. It's not recommended to use this function in your code.

No Hooks.

Return

null. Nothing.

Usage

_jsonp_wp_die_handler( $message, $title, $args );
$message(string) (required)
Error message.
$title(string)
Error title.
Default: ''
$args(string|array)
Arguments to control behavior.
Default: empty array

Changelog

Since 5.2.0 Introduced.

Code of _jsonp_wp_die_handler() WP 5.8.2

function _jsonp_wp_die_handler( $message, $title = '', $args = array() ) {
	list( $message, $title, $parsed_args ) = _wp_die_process_input( $message, $title, $args );

	$data = array(
		'code'              => $parsed_args['code'],
		'message'           => $message,
		'data'              => array(
			'status' => $parsed_args['response'],
		),
		'additional_errors' => $parsed_args['additional_errors'],
	);

	if ( ! headers_sent() ) {
		header( "Content-Type: application/javascript; charset={$parsed_args['charset']}" );
		header( 'X-Content-Type-Options: nosniff' );
		header( 'X-Robots-Tag: noindex' );
		if ( null !== $parsed_args['response'] ) {
			status_header( $parsed_args['response'] );
		}
		nocache_headers();
	}

	$result         = wp_json_encode( $data );
	$jsonp_callback = $_GET['_jsonp'];
	echo '/**/' . $jsonp_callback . '(' . $result . ')';
	if ( $parsed_args['exit'] ) {
		die();
	}
}