What Are the Differences Between PSR-0 and PSR-4?

What Are the Differences Between PSR-0 and PSR-4?

php laravel composer-php psr-0 psr-4

laravel

Laravel error 'ReflectionException' - 'Class App\Http\Kernel does not exist'

php laravel namespaces psr-4

laravel

Laravel psr-4 not autoloading

laravel laravel-4 composer-php psr-4

laravel

Laravel, using packages with PSR-4 gives message "No hint path defined for"

php laravel laravel-4 psr-4

laravel