class Twig_Node_Expression_Test_Null extends Twig_Node_Expression_Test
Checks that a variable is null.
<pre>
{{ var is none }}
</pre>
Methods
| __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno) | from Twig_Node_Expression_Test | |
| compile(Twig_Compiler $compiler) |