Twig_Node_Expression_Name Class Reference

Inheritance diagram for Twig_Node_Expression_Name:

Collaboration diagram for Twig_Node_Expression_Name:

Public Member Functions
	__construct ($name, $lineno)
	compile (Twig_Compiler $compiler)
	Compiles the node to PHP. More...
	isSpecial ()
	isSimple ()
Public Member Functions inherited from Twig_Node
	__construct (array $nodes=array(), array $attributes=array(), $lineno=0, $tag=null)
	Constructor. More...
	__toString ()
	toXml ($asDom=false)
	compile (Twig_Compiler $compiler)
	Compiles the node to PHP. More...
	getTemplateLine ()
	getLine ()
	getNodeTag ()
	hasAttribute ($name)
	getAttribute ($name)
	setAttribute ($name, $value)
	removeAttribute ($name)
	hasNode ($name)
	getNode ($name)
	setNode ($name, $node=null)
	removeNode ($name)
	count ()
	getIterator ()
	setTemplateName ($name)
	getTemplateName ()
	setFilename ($name)
	getFilename ()
	compile (Twig_Compiler $compiler)
	Compiles the node to PHP. More...
	getLine ()
	getNodeTag ()

Protected Attributes
	$specialVars
Protected Attributes inherited from Twig_Node
	$nodes
	$attributes
	$lineno
	$tag

Detailed Description

Definition at line 12 of file Name.php.

Constructor & Destructor Documentation

__construct()

Twig_Node_Expression_Name::__construct	(		$name,
			$lineno
	)

Definition at line 20 of file Name.php.

    {
        parent::__construct(array(), array('name' => $name, 'is_defined_test' => false, 'ignore_strict_check' => false, 'always_defined' => false), $lineno);
    }

References Twig_Node\$lineno, and Twig_Node\$name.

Member Function Documentation

compile()

Twig_Node_Expression_Name::compile

(

Twig_Compiler

$compiler

)

Compiles the node to PHP.

Reimplemented from Twig_Node.

Reimplemented in Twig_Node_Expression_AssignName.

Definition at line 25 of file Name.php.

    {
        $name = $this->getAttribute('name');
 
        $compiler->addDebugInfo($this);
 
        if ($this->getAttribute('is_defined_test')) {
            if ($this->isSpecial()) {
                $compiler->repr(true);
            } else {
                $compiler->raw('array_key_exists(')->repr($name)->raw(', $context)');
            }
        } elseif ($this->isSpecial()) {
            $compiler->raw($this->specialVars[$name]);
        } elseif ($this->getAttribute('always_defined')) {
            $compiler
                ->raw('$context[')
                ->string($name)
                ->raw(']')
            ;
        } else {
            if (PHP_VERSION_ID >= 70000) {
                // use PHP 7 null coalescing operator
                $compiler
                    ->raw('($context[')
                    ->string($name)
                    ->raw('] ?? ')
                ;
 
                if ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables()) {
                    $compiler->raw('null)');
                } else {
                    $compiler->raw('$this->getContext($context, ')->string($name)->raw('))');
                }
            } elseif (PHP_VERSION_ID >= 50400) {
                // PHP 5.4 ternary operator performance was optimized
                $compiler
                    ->raw('(isset($context[')
                    ->string($name)
                    ->raw(']) ? $context[')
                    ->string($name)
                    ->raw('] : ')
                ;
 
                if ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables()) {
                    $compiler->raw('null)');
                } else {
                    $compiler->raw('$this->getContext($context, ')->string($name)->raw('))');
                }
            } else {
                $compiler
                    ->raw('$this->getContext($context, ')
                    ->string($name)
                ;
 
                if ($this->getAttribute('ignore_strict_check')) {
                    $compiler->raw(', true');
                }
 
                $compiler
                    ->raw(')')
                ;
            }
        }
    }

References Twig_Node\$name, Twig_Compiler\addDebugInfo(), Twig_Node\getAttribute(), Twig_Compiler\getEnvironment(), isSpecial(), Twig_Compiler\raw(), and Twig_Compiler\repr().

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isSimple()

Twig_Node_Expression_Name::isSimple

(

)

Definition at line 96 of file Name.php.

    {
        return !$this->isSpecial() && !$this->getAttribute('is_defined_test');
    }

References Twig_Node\getAttribute(), and isSpecial().

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isSpecial()

Twig_Node_Expression_Name::isSpecial

(

)

Definition at line 91 of file Name.php.

    {
        return isset($this->specialVars[$this->getAttribute('name')]);
    }

References Twig_Node\getAttribute().

Referenced by compile(), and isSimple().

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Field Documentation

$specialVars

Twig_Node_Expression_Name::$specialVars

protected

Initial value:

= array(
        '_self' => '$this',
        '_context' => '$context',
        '_charset' => '$this->env->getCharset()',
    )

Definition at line 14 of file Name.php.

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The documentation for this class was generated from the following file:

• libs/composer/vendor/twig/twig/lib/Twig/Node/Expression/Name.php