Merge pull request #6450 from pascalbaljet/patch-4

[8.x] Added whenHas() and whenFilled() to Request docs

requests.md

@@ -233,6 +233,12 @@ When given an array, the `has` method will determine if all of the specified val
         //
     }
 
+The `whenHas` method will execute the given callback if a value is present on the request:
+
+    $request->whenHas('name', function ($input) {
+        //
+    });
+
 The `hasAny` method returns `true` if any of the specified values are present:
 
     if ($request->hasAny(['name', 'email'])) {
@@ -245,6 +251,12 @@ If you would like to determine if a value is present on the request and is not e
         //
     }
 
+The `whenFilled` method will execute the given callback if a value is present on the request and is not empty:
+
+    $request->whenFilled('name', function ($input) {
+        //
+    });
+
 To determine if a given key is absent from the request, you may use the `missing` method:
 
     if ($request->missing('name')) {