Input::exists function added.

taylorotwell · taylorotwell · commit f86906ae06ec · 2014-04-11T13:40:26.000-05:00
New 'Input::exists' function for checking for the mere presence of
input items.
diff --git a/src/Illuminate/Foundation/changes.json b/src/Illuminate/Foundation/changes.json
@@ -101,7 +101,8 @@
 		{"message": "Added 'assertViewMissing' method to TestCase.", "backport": null},
 		{"message": "Added 'whereYear', 'whereMonth', and 'whereDay'.", "backport": null},
 		{"message": "Added events for committing, rolling back, and starting transactions on databsae connections.", "backport": null},
-		{"message": "Added 'Auth::id' method to just get the authenticate user ID from the session / recaller cookie.", "backport": null}
+		{"message": "Added 'Auth::id' method to just get the authenticate user ID from the session / recaller cookie.", "backport": null},
+		{"message": "New 'Input::exists' function for checking for the mere presence of input items.", "backport": null}
 	],
 	"4.0.*": [
 		{"message": "Added implode method to query builder and Collection class.", "backport": null},
diff --git a/src/Illuminate/Http/Request.php b/src/Illuminate/Http/Request.php
@@ -157,7 +157,32 @@ public function secure()
 	}
 
 	/**
-	 * Determine if the request contains a given input item.
+	 * Determine if the request contains a given input item key.
+	 *
+	 * @param  string|array  $key
+	 * @return bool
+	 */
+	public function exists($key)
+	{
+		$input = $this->all();
+
+		if (count(func_get_args()) > 1)
+		{
+			foreach (func_get_args() as $value)
+			{
+				if ( ! array_key_exists($value, $input)) return false;
+			}
+
+			return true;
+		}
+		else
+		{
+			return array_key_exists($key, $input);
+		}
+	}
+
+	/**
+	 * Determine if the request contains a non-emtpy value for an  input item.
 	 *
 	 * @param  string|array  $key
 	 * @return bool
