[5.2] Add hasAny and hasAll methods to MessageBag

src/Illuminate/Support/MessageBag.php

@@ -106,6 +106,40 @@ public function has($key = null)
         return $this->first($key) !== '';
     }
 
+    /**
+     * Determine if messages exist for all given keys.
+     *
+     * @param  array  $keys
+     * @return bool
+     */
+    public function hasAll($keys = [])
+    {
+        foreach ($keys as $key) {
+            if ($this->first($key) === '') {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Determine if messages exist for any given key.
+     *
+     * @param  array  $keys
+     * @return bool
+     */
+    public function hasAny($keys = [])
+    {
+        foreach ($keys as $key) {
+            if ($this->first($key) !== '') {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * Get the first message from the bag for a given key.
      *

tests/Support/SupportMessageBagTest.php

@@ -74,6 +74,30 @@ public function testHasIndicatesExistence()
         $this->assertFalse($container->has('bar'));
     }
 
+    public function testHasAnyIndicatesExistence()
+    {
+        $container = new MessageBag;
+        $container->setFormat(':message');
+        $container->add('foo', 'bar');
+        $container->add('bar', 'foo');
+        $container->add('boom', 'baz');
+        $this->assertTrue($container->hasAny(['foo', 'bar']));
+        $this->assertTrue($container->hasAny(['boom', 'baz']));
+        $this->assertFalse($container->hasAny(['baz']));
+    }
+
+    public function testHasAllIndicatesExistence()
+    {
+        $container = new MessageBag;
+        $container->setFormat(':message');
+        $container->add('foo', 'bar');
+        $container->add('bar', 'foo');
+        $container->add('boom', 'baz');
+        $this->assertTrue($container->hasAll(['foo', 'bar', 'boom']));
+        $this->assertFalse($container->hasAll(['foo', 'bar', 'boom', 'baz']));
+        $this->assertFalse($container->hasAll(['foo', 'baz']));
+    }
+
     public function testAllReturnsAllMessages()
     {
         $container = new MessageBag;