src/_ServiceProvider.php
protected function tryRegisterProviders($on)
    {
        if ($on === $this->registerProvidersOn && $this->registerProvidersMethod === self::METHOD_REGISTER) {
            // FIRST register all given providers
            foreach ($this->providers as $provider) {
                $this->app->register($provider);
            }

            foreach ($this->deferredProviders as $provider) {
                $this->app->registerDeferredProvider($provider);
            }
        } elseif ($this->registerProvidersMethod === self::METHOD_RESOLVE) {
            foreach ($this->providers as $provider) {
                $resolved = $this->app->resolveProviderClass($registered[] = $provider);
                if ($on === self::ON_REGISTER) {
                    $resolved->register();
                } elseif ($on === self::ON_BOOT) {
                    $this->app->call([$provider, 'boot']);
                }
            }
        }
    }
protected function tryRegisterProviders($on)
    {
        if ($on === $this->registerProvidersOn && $this->registerProvidersMethod === self::METHOD_REGISTER) {
            // FIRST register all given providers
            foreach ($this->providers as $provider) {
                $this->app->register($provider);
            }

            foreach ($this->deferredProviders as $provider) {
                $this->app->registerDeferredProvider($provider);
            }
        } elseif ($this->registerProvidersMethod === self::METHOD_RESOLVE) {
            foreach ($this->providers as $provider) {
                $resolved = $this->app->resolveProviderClass($registered[] = $provider);
                if ($on === self::ON_REGISTER) {
                    $resolved->register();
                } elseif ($on === self::ON_BOOT) {
                    $this->app->call([$provider, 'boot']);
                }
            }
        }
    }
protected function tryRegisterProviders ( $ on ) { if ( $ on === $ this -> registerProvidersOn && $ this -> registerProvidersMethod === self :: METHOD_REGISTER ) { // FIRST register all given providers foreach ( $ this -> providers as $ provider ) { $ this -> app -> register ( $ provider ) ; } foreach ( $ this -> deferredProviders as $ provider ) { $ this -> app -> registerDeferredProvider ( $ provider ) ; } } elseif ( $ this -> registerProvidersMethod === self :: METHOD_RESOLVE ) { foreach ( $ this -> providers as $ provider ) { $ resolved = $ this -> app -> resolveProviderClass ( $ registered [ ] = $ provider ) ; if ( $ on === self :: ON_REGISTER ) { $ resolved -> register ( ) ; } elseif ( $ on === self :: ON_BOOT ) { $ this -> app -> call ( [ $ provider , 'boot' ] ) ; } } } }
tryRegisterProviders method.

@param $on
tryRegisterProviders method .