Laravel 5.5 syntax error, unexpected '?' in ..\vendor\laravel\framework\src\ Illuminate\Foundation\helpers.php on line 233
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![The error in vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233 · Issue #23992 · laravel/framework · GitHub The error in vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233 · Issue #23992 · laravel/framework · GitHub](https://user-images.githubusercontent.com/27183509/39226900-93a6f2da-487f-11e8-932a-b910df3cd980.png)
The error in vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233 · Issue #23992 · laravel/framework · GitHub
The error in vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233 · Issue #23992 · laravel/framework · GitHub
0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError()<br /> #1 /home/wwwroot/ydj_seo/vendor/laravel/framework/src/Illuminate/Support/ helpers.php(118): htmlspecialchars() · Issue #5415 · z-song/laravel-admin · GitHub
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