syntax error, unexpected '&'

Uncaught ParseError

syntax error, unexpected '&'

An uncaught ParseError was thrown on line 37 of file /var/www/car4play/html/scripts/contact/index.php that prevented further execution of this request.

Where

/var/www/car4play/html/scripts/contact/index.php

clean_KV( &$fd ); // clean up data
$error_field = warn_KV_empty( $mandatory ); // should never fail on mandatory checking here if Javascript is working properly
if( $error_field ) {

Stack trace

File	Line	Class	Function	Arguments
/var/www/car4play/html/scripts/_page.php	35		require
/var/www/car4play/html/index.php	17		include	/var/www/car4play/html/scripts/_page.php