HELLO GUYS,IT SHOW WRONG WHEN I INSTALL THE PHPVMS .
IT SHOWS "Parse error: syntax error, unexpected '?' in /www/wwwroot/vms.hkver.cn/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233"
I JUST UPSAVE ALL THE FILESTO MY SERVER HOST ,MY SERVER IS APACHE2.4 php5.6 HOW CAN I DEAL THE PROBLEM?