[5.5] Support multiple values in some has() methods

src/Illuminate/Auth/Access/Gate.php

@@ -79,12 +79,20 @@ public function __construct(Container $container, callable $userResolver, array
     /**
      * Determine if a given ability has been defined.
      *
-     * @param  string  $ability
+     * @param  string|array  $ability
      * @return bool
      */
     public function has($ability)
     {
-        return isset($this->abilities[$ability]);
+        $abilities = is_array($ability) ? $ability : func_get_args();
+
+        foreach ($abilities as $ability) {
+            if (! isset($this->abilities[$ability])) {
+                return false;
+            }
+        }
+
+        return true;
     }
 
     /**

src/Illuminate/Routing/Router.php

@@ -915,7 +915,15 @@ public function current()
      */
     public function has($name)
     {
-        return $this->routes->hasNamedRoute($name);
+        $names = is_array($name) ? $name : func_get_args();
+
+        foreach ($names as $value) {
+            if (! $this->routes->hasNamedRoute($value)) {
+                return false;
+            }
+        }
+
+        return true;
     }
 
     /**

src/Illuminate/Support/Collection.php

@@ -592,7 +592,15 @@ public function keyBy($keyBy)
      */
     public function has($key)
     {
-        return $this->offsetExists($key);
+        $keys = is_array($key) ? $key : func_get_args();
+
+        foreach ($keys as $value) {
+            if (! $this->offsetExists($value)) {
+                return false;
+            }
+        }
+
+        return true;
     }
 
     /**