Outils de performance
                        Symfony container introspection
                        
                    
                View Symfony Container instantiated services, public / private services etc.
steevanb/symfony-container-introspection
                        Composer overload class
                        
                    
                Allow to overload autoloaded classes, to include your files instead of supposed ones.
steevanb/composer-overload-class
                        PHP backtrace
                        
                    
                Show nice equivalent to debug_backtrace(), with caller, code preview etc.
steevanb/php-backtrace
                        Blackfire
                        
                    
                Profile & optimize PHP apps.
blackfire.io