Merge branch 'feature/fieldset-remove'

src/BaseInputFilter.php

@@ -103,6 +103,18 @@ public function has($name)
         return (array_key_exists($name, $this->inputs));
     }
 
+    /**
+     * Remove a named input
+     *
+     * @param  string $name
+     * @return InputFilterInterface
+     */
+    public function remove($name)
+    {
+        unset($this->inputs[$name]);
+        return $this;
+    }
+
     /**
      * Set data to use when validating and filtering
      *

src/InputFilterInterface.php

@@ -45,6 +45,14 @@ public function get($name);
      */
     public function has($name);
 
+    /**
+     * Remove a named input
+     *
+     * @param  string $name
+     * @return InputFilterInterface
+     */
+    public function remove($name);
+
     /**
      * Set data to use when validating and filtering
      *

test/BaseInputFilterTest.php

@@ -55,6 +55,17 @@ public function testCanAddInputFilterAsInput()
         $this->assertSame($child, $parent->get('child'));
     }
 
+    public function testCanRemoveInputFilter()
+    {
+        $parent = new InputFilter();
+        $child  = new InputFilter();
+        $parent->add($child, 'child');
+        $this->assertEquals(1, count($parent));
+        $this->assertSame($child, $parent->get('child'));
+        $parent->remove('child');
+        $this->assertEquals(0, count($parent));
+    }
+
     public function getInputFilter()
     {
         $filter = new InputFilter();