trackback_response( int|bool $error = 0, string $error_message = '' ): void

33function trackback_response( $error = 0, $error_message = '' ) {34	header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );35 36	if ( $error ) {37		echo '<?xml version="1.0" encoding="utf-8"?' . ">\n";38		echo "<response>\n";39		echo "<error>1</error>\n";40		echo '<message>' . esc_xml( $error_message ) . "</message>\n";41		echo '</response>';42		die();43	} else {44		echo '<?xml version="1.0" encoding="utf-8"?' . ">\n";45		echo "<response>\n";46		echo "<error>0</error>\n";47		echo '</response>';48	}49}