[11.x] Add Request::fluent method (#53662)

* Fix typo

* Add fluent method to transform request instance into fluent

* Add missing supported type

* Update InteractsWithInput.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

src/Illuminate/Http/Concerns/InteractsWithInput.php

@@ -452,6 +452,17 @@ public function collect($key = null)
         return collect(is_array($key) ? $this->only($key) : $this->input($key));
     }
 
+    /**
+     * Retrieve input from the request as a Fluent object instance.
+     *
+     * @param  array|string|null  $key
+     * @return \Illuminate\Support\Fluent
+     */
+    public function fluent($key = null)
+    {
+        return fluent(is_array($key) ? $this->only($key) : $this->input($key));
+    }
+
     /**
      * Get a subset containing the provided keys with values from the input data.
      *

src/Illuminate/Support/helpers.php

@@ -169,7 +169,7 @@ function filled($value)
 
 if (! function_exists('fluent')) {
     /**
-     * Create an Fluent object from the given value.
+     * Create a Fluent object from the given value.
      *
      * @param  object|array  $value
      * @return \Illuminate\Support\Fluent