public function getIndex()
	{
		$index = false;
		
		// if this element has a parent
		if ( ! empty($this->parent)) {
			$index = $this->parent->getChildIndex($this);
			// if we didn't find the child, something is wrong 
			if ($index === false) {
				throw new \BadMethodCallException(
					__METHOD__."() expects this element to be a child of its parent"
				);
			}
		} else {
			throw new \BadMethodCallException(
				__METHOD__."() expects this element to have a parent element"
			);
		}
		
		return $index;
	}
public function getIndex()
	{
		$index = false;
		
		// if this element has a parent
		if ( ! empty($this->parent)) {
			$index = $this->parent->getChildIndex($this);
			// if we didn't find the child, something is wrong 
			if ($index === false) {
				throw new \BadMethodCallException(
					__METHOD__."() expects this element to be a child of its parent"
				);
			}
		} else {
			throw new \BadMethodCallException(
				__METHOD__."() expects this element to have a parent element"
			);
		}
		
		return $index;
	}
public function getIndex ( ) { $ index = false ; // if this element has a parent if ( ! empty ( $ this -> parent ) ) { $ index = $ this -> parent -> getChildIndex ( $ this ) ; // if we didn't find the child, something is wrong  if ( $ index === false ) { throw new \ BadMethodCallException ( __METHOD__ . "() expects this element to be a child of its parent" ) ; } } else { throw new \ BadMethodCallException ( __METHOD__ . "() expects this element to have a parent element" ) ; } return $ index ; }
Returns this element's index in its parent children

Warning! This method may return a boolean false, but it may also return an
integer value that evaluates to false. Use the strict comparison operator,
"===" when testing the return value of this method.

@return  int|false
@throws  BadMethodCallException  if the element doesn't have a parent
@throws  BadMethodCallException  if the element's parent doesn't have children
@throws  BadMethodCallException  if the element is not a child of its parent
@since  0.1.0
Returns this element s index in its parent children