PHP Parse错误：语法错误，意外'？' - laravel

Question

I'm using laravel 5.5 framework.It requirements PHP >= 7.0.0 . when I run server I got this error ( php artisan serve ):

PHP Parse error:  syntax error, unexpected '?' in E:\xampp\htdocs\dibit\vendor\laravel\framework\src\Illuminate\Foundation\helpers.php on line 233

I've installed the last version of xampp and phpstorm.

I think this error show I'm not using php 7.

in my console of my phpstorm when I run this commend:

php -v

it returns PHP 5.6.21 .

where is my problem?

the result of this code:

<?php

echo phpversion();

?>

is:

7.2.1



http://localhost/p.php

---

I have two xampp software but them have been installed an

Answer 1

It looks to me like your command prompt uses an old php version. To confirm that, run

where php

in a command prompt and find out whether it prints the right path (to PHP7). If it's incorrect, check the PATH environment variable and modify it with the correct path to PHP7.

Hope it helps.