Config Section now implements ArrayAccess

packaged · Mar 3, 2014 · 4e4a0b5 · 4e4a0b5
1 parent 3113b96
commit 4e4a0b5
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Showing 2 changed files with 84 additions and 1 deletion.
diff --git a/src/Provider/ConfigSection.php b/src/Provider/ConfigSection.php
@@ -6,7 +6,7 @@
 /**
  * Configuration section
  */
-class ConfigSection implements ConfigSectionInterface
+class ConfigSection implements ConfigSectionInterface, \ArrayAccess
 {
   protected $_name;
   protected $_items;
@@ -75,4 +75,74 @@ public function addItem($key, $value)
     $this->_items[$key] = $value;
     return $this;
   }
+
+  /**
+   * (PHP 5 &gt;= 5.0.0)<br/>
+   * Whether a offset exists
+   * @link http://php.net/manual/en/arrayaccess.offsetexists.php
+   *
+   * @param mixed $offset <p>
+   *                      An offset to check for.
+   *                      </p>
+   *
+   * @return boolean true on success or false on failure.
+   * </p>
+   * <p>
+   * The return value will be casted to boolean if non-boolean was returned.
+   */
+  public function offsetExists($offset)
+  {
+    return isset($this->_items[$offset]);
+  }
+
+  /**
+   * (PHP 5 &gt;= 5.0.0)<br/>
+   * Offset to retrieve
+   * @link http://php.net/manual/en/arrayaccess.offsetget.php
+   *
+   * @param mixed $offset <p>
+   *                      The offset to retrieve.
+   *                      </p>
+   *
+   * @return mixed Can return all value types.
+   */
+  public function offsetGet($offset)
+  {
+    return $this->getItem($offset);
+  }
+
+  /**
+   * (PHP 5 &gt;= 5.0.0)<br/>
+   * Offset to set
+   * @link http://php.net/manual/en/arrayaccess.offsetset.php
+   *
+   * @param mixed $offset <p>
+   *                      The offset to assign the value to.
+   *                      </p>
+   * @param mixed $value  <p>
+   *                      The value to set.
+   *                      </p>
+   *
+   * @return void
+   */
+  public function offsetSet($offset, $value)
+  {
+    $this->addItem($offset, $value);
+  }
+
+  /**
+   * (PHP 5 &gt;= 5.0.0)<br/>
+   * Offset to unset
+   * @link http://php.net/manual/en/arrayaccess.offsetunset.php
+   *
+   * @param mixed $offset <p>
+   *                      The offset to unset.
+   *                      </p>
+   *
+   * @return void
+   */
+  public function offsetUnset($offset)
+  {
+    unset($this->_items[$offset]);
+  }
 }
diff --git a/tests/ConfigSectionTest.php b/tests/ConfigSectionTest.php
@@ -9,4 +9,17 @@ public function getConfigSection()
   {
     return new \Packaged\Config\Provider\ConfigSection();
   }
+
+  public function testArrayAccess()
+  {
+    $section = $this->getConfigSection();
+    $this->assertFalse(isset($section['random']));
+    $this->assertNull($section['random']);
+    $section['random'] = 'testing';
+    $this->assertTrue(isset($section['random']));
+    $this->assertEquals('testing', $section['random']);
+    $this->assertEquals('testing', $section->getItem('random'));
+    unset($section['random']);
+    $this->assertFalse(isset($section['random']));
+  }
 }