Laravel blank white screen

An update to fideloper's answer for Laravel 5 and its new file structure is:

$ sudo chmod -R o+w storage/

Apache

Does this answer describe or help your situation? Upgrading to Apache 2.4 come with some changes in Apache configuration.

Laravel

Are you checking Laravel's logs or Apache's logs?

Since upgrading to Laravel 4.1, I've had white screen "errors" (WSOD) when the application could not write to the log location. I've always solved this by making the app/storage directory writable by Apache (either group writable to "www-data", "apache" or world-writable - that depends on your server setup.

Web Server User

On Ubuntu/Debian servers, your PHP may be running as user "www-data". On CentOS/RedHat/Fedora servers, you PHP may be running as user "apache".

Make sure your files are owned by the user that is running PHP:

# Debian/Ubuntu
$ sudo chown -R www-data /path/to/laravel/files

# CentOS/RedHat/Fedora
$ sudo chown -R apache /path/to/laravel/files

Note that you might not be running as user www-data or apache. It depends on your hosting and setup!

Laravel 4

# Group Writable (Group, User Writable)
$ sudo chmod -R gu+w app/storage

# World-writable (Group, User, Other Writable)
$ sudo chmod -R guo+w app/storage

Laravel 5+ (including 6)

# Group Writable (Group, User Writable)
$ sudo chmod -R gu+w storage

# World-writable (Group, User, Other Writable)
$ sudo chmod -R guo+w storage

#####
# The bootstrap/cache directory may need writing to also
##

# Group Writable (Group, User Writable)
$ sudo chmod -R gu+w bootstrap/cache

# World-writable (Group, User, Other Writable)
$ sudo chmod -R guo+w bootstrap/cache

Try this, in the public/index.php page

error_reporting(E_ALL);
ini_set('error_reporting', E_ALL);
ini_set("display_errors", 1);

The following steps solved blank white screen problem on my Laravel 5.

• Go to your Laravel root folder
• Give write permission to bootstrap/cache and storage directories

sudo chmod -R 777 bootstrap/cache storage

• Rename .env.example to .env
• Generate application key with the following command in terminal/command-prompt from Laravel root:

php artisan key:generate

This will generate the encryption key and update the value of APP_KEY in .env file

This should solve the problem.

If the problem still exists, then update config/app.php with the new key generated from the above artisan key generate command:

'key' => env('APP_KEY', 'SomeRandomString'),

to

'key' => env('APP_KEY', 'KEY_GENERATED_FROM_ABOVE_COMMAND'),