class Twig_Node_Expression_Test_Constant

Checks if a variable is the exact same value as a constant.

<pre> {% if post.status is constant('Post::PUBLISHED') %} the status attribute is exactly the same as Post::PUBLISHED {% endif %} </pre>

@author Fabien Potencier <fabien@symfony.com>

Hierarchy

Expanded class hierarchy of Twig_Node_Expression_Test_Constant

1 string reference to 'Twig_Node_Expression_Test_Constant'
Twig_Extension_Core::getTests in drupal/core/vendor/twig/twig/lib/Twig/Extension/Core.php
Returns a list of tests to add to the existing list.

File

drupal/core/vendor/twig/twig/lib/Twig/Node/Expression/Test/Constant.php, line 23

View source
class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test {
  public function compile(Twig_Compiler $compiler) {
    $compiler
      ->raw('(')
      ->subcompile($this
      ->getNode('node'))
      ->raw(' === constant(')
      ->subcompile($this
      ->getNode('arguments')
      ->getNode(0))
      ->raw('))');
  }

}

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_Constant::compile public function Compiles the node to PHP. Overrides Twig_Node_Expression_Test::compile