Support getting list of all variables for given field name

Author: clue

src/Protocol/Message.php

@@ -60,6 +60,25 @@ public function getFieldValues($key)
         return $values;
     }
 
+    /**
+     * Returns a hashmap of all variable assignments in the given $key
+     *
+     * @param string $key
+     * @return array
+     * @uses self::getFieldValues()
+     */
+    public function getFieldVariables($key)
+    {
+        $variables = array();
+
+        foreach ($this->getFieldValues($key) as $value) {
+            $temp = explode('=', $value, 2);
+            $variables[$temp[0]] = $temp[1];
+        }
+
+        return $variables;
+    }
+
     public function toJson()
     {
         return json_encode($this->getFields());

tests/Protocol/ActionTest.php

@@ -91,5 +91,8 @@ public function testOneFieldMultipleKeyValues()
 
         $this->assertEquals('first=on', $action->getFieldValue('Variables'));
         $this->assertEquals(array('first=on', 'second=off'), $action->getFieldValues('Variables'));
+
+        $this->assertEquals(array('first' => 'on', 'second' => 'off'), $action->getFieldVariables('Variables'));
+        $this->assertEquals(array(), $action->getFieldVariables('unknown'));
     }
 }