[11.x] Optimize boostrap time by using hashtable to store providers (#…

…51343)

* optimize boostrap time by using hashtable to store providers

* Update Application.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Illuminate/Foundation/Application.php

@@ -99,7 +99,7 @@ class Application extends Container implements ApplicationContract, CachesConfig
     /**
      * All of the registered service providers.
      *
-     * @var \Illuminate\Support\ServiceProvider[]
+     * @var array<string, \Illuminate\Support\ServiceProvider>
      */
     protected $serviceProviders = [];
 
@@ -897,7 +897,9 @@ public function register($provider, $force = false)
      */
     public function getProvider($provider)
     {
-        return array_values($this->getProviders($provider))[0] ?? null;
+        $name = is_string($provider) ? $provider : get_class($provider);
+
+        return $this->serviceProviders[$name] ?? null;
     }
 
     /**
@@ -932,9 +934,11 @@ public function resolveProvider($provider)
      */
     protected function markAsRegistered($provider)
     {
-        $this->serviceProviders[] = $provider;
+        $class = get_class($provider);
 
-        $this->loadedProviders[get_class($provider)] = true;
+        $this->serviceProviders[$class] = $provider;
+
+        $this->loadedProviders[$class] = true;
     }
 
     /**
@@ -1388,7 +1392,7 @@ public function terminate()
     /**
      * Get the service providers that have been loaded.
      *
-     * @return array
+     * @return array<string, boolean>
      */
     public function getLoadedProviders()
     {