class Twig_Node_Expression_Test_Null

Checks that a variable is null.

<pre> {{ var is none }} </pre>

@author Fabien Potencier <fabien@symfony.com>

Hierarchy

Expanded class hierarchy of Twig_Node_Expression_Test_Null

1 string reference to 'Twig_Node_Expression_Test_Null'

File

drupal/core/vendor/twig/twig/lib/Twig/Node/Expression/Test/Null.php, line 21

View source

Members

Namesort descending Modifiers Type Description Overrides
Twig_Node::$attributes protected property
Twig_Node::$lineno protected property
Twig_Node::$nodes protected property
Twig_Node::$tag protected property
Twig_Node::count public function
Twig_Node::getAttribute public function Gets an attribute.
Twig_Node::getIterator public function
Twig_Node::getLine public function Overrides Twig_NodeInterface::getLine
Twig_Node::getNode public function Gets a node by name.
Twig_Node::getNodeTag public function Overrides Twig_NodeInterface::getNodeTag
Twig_Node::hasAttribute public function Returns true if the attribute is defined.
Twig_Node::hasNode public function Returns true if the node with the given identifier exists.
Twig_Node::removeAttribute public function Removes an attribute.
Twig_Node::removeNode public function Removes a node by name.
Twig_Node::setAttribute public function Sets an attribute.
Twig_Node::setNode public function Sets a node.
Twig_Node::toXml public function
Twig_Node::__toString public function
Twig_Node_Expression_Call::compileArguments protected function
Twig_Node_Expression_Call::compileCallable protected function
Twig_Node_Expression_Call::getArguments protected function
Twig_Node_Expression_Call::normalizeName protected function
Twig_Node_Expression_Test::__construct public function Constructor. Overrides Twig_Node::__construct 1
Twig_Node_Expression_Test_Null::compile public function Compiles the node to PHP. Overrides Twig_Node_Expression_Test::compile