Why Is My Laravel App Showing a Blank White Screen After Upgrading to Apache 2.4 and PHP 5.5.7?

Laravel Blank White Screen

Facing a blank white screen on your Laravel site can be frustrating. This issue often arises after upgrading to Apache 2.4 and PHP 5.5.7.

Apache Configuration

Changes in Apache configuration with the upgrade may be causing the issue. Refer to the answer describing changes in Apache 2.4 to resolve any potential conflicts.

Laravel Log Management

Ensure you're checking Laravel's logs rather than Apache's. Check the app/storage directory and verify it's writable by the user running PHP. This may require granting group or world write permissions.

Ubuntu/Debian

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

CentOS/RedHat/Fedora

$ sudo chown -R apache /path/to/laravel/files

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 and 6

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

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

# Additionally, the bootstrap/cache directory may require write access
# 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

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