_json_wp_die_handler( string $message, string $title = '', string|array $args = array() )

Source

 * @since 5.1.0
 * @access private
 *
 * @param string       $message Error message.
 * @param string       $title   Optional. Error title. Default empty string.
 * @param string|array $args    Optional. Arguments to control behavior. Default empty array.
 */
function _json_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 ( isset( $parsed_args['error_data'] ) ) {
		$data['data']['error'] = $parsed_args['error_data'];
	}

	if ( ! headers_sent() ) {
		header( "Content-Type: application/json; charset={$parsed_args['charset']}" );
		if ( null !== $parsed_args['response'] ) {
			status_header( $parsed_args['response'] );
		}
		nocache_headers();

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