Laravel (5.5.*) and php (5.6.4) Application error (An error occurred in the website and your page could not be displayed. If you are the website owner, check your logs for details.)

i am facing that error when am running may laravel (5.5.*) and php (5.6.4) project on 000webhostapp.com

here is screen shot of public_html/index.php also directory structure on left side of screenshot


here is .htaccess code
`

Options -MultiViews

              RewriteEngine On

            # Redirect Trailing Slashes…
              RewriteRule ^(.*)/$ /$1 [L,R=301]

            # Handle Front Controller…
              RewriteCond %{REQUEST_FILENAME} !-d
              RewriteCond %{REQUEST_FILENAME} !-f
              RewriteRule ^ index.php [L]
              </IfModule>`

Hi! Check out this tutorial at FAQ section:

after follow the tutorial Deploy Laravel Project into 000webhost site
am facing that error
This page isn’t working
usman1ranglerz is currently unable to handle this request.
HTTP ERROR 500

after php_flag display_errors on
Parse error: syntax error, unexpected ‘?’ in /storage/ssd1/307/6907307/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php on line 233

Read the FAQ again, dot 2:

I have deployed my project but I am still receiving Error 500/Something went wrong/Exception. What should I do?

Please go to /config/app.php at debug vector and set the value to true. Now access the URL which is giving errors and start tracking the bugs.

after follow the tutorial Deploy Laravel Project into 000webhost site
am facing that error
Whoops, looks like something went wrong.

@teodor please check this

Check the FAQ section from that tutorial.