/usr/share/php/Twig/Function.php is in php-twig 2.4.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template function.
*
* @final
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @see http://twig.sensiolabs.org/doc/templates.html#functions
*/
class Twig_Function
{
private $name;
private $callable;
private $options;
private $arguments = array();
/**
* Creates a template function.
*
* @param string $name Name of this function
* @param callable|null $callable A callable implementing the function. If null, you need to overwrite the "node_class" option to customize compilation.
* @param array $options Options array
*/
public function __construct(string $name, $callable = null, array $options = array())
{
if (__CLASS__ !== get_class($this)) {
@trigger_error('Overriding '.__CLASS__.' is deprecated since version 2.4.0 and the class will be final in 3.0.', E_USER_DEPRECATED);
}
$this->name = $name;
$this->callable = $callable;
$this->options = array_merge(array(
'needs_environment' => false,
'needs_context' => false,
'is_variadic' => false,
'is_safe' => null,
'is_safe_callback' => null,
'node_class' => 'Twig_Node_Expression_Function',
'deprecated' => false,
'alternative' => null,
), $options);
}
public function getName()
{
return $this->name;
}
/**
* Returns the callable to execute for this function.
*
* @return callable|null
*/
public function getCallable()
{
return $this->callable;
}
public function getNodeClass()
{
return $this->options['node_class'];
}
public function setArguments($arguments)
{
$this->arguments = $arguments;
}
public function getArguments()
{
return $this->arguments;
}
public function needsEnvironment()
{
return $this->options['needs_environment'];
}
public function needsContext()
{
return $this->options['needs_context'];
}
public function getSafe(Twig_Node $functionArgs)
{
if (null !== $this->options['is_safe']) {
return $this->options['is_safe'];
}
if (null !== $this->options['is_safe_callback']) {
return $this->options['is_safe_callback']($functionArgs);
}
return array();
}
public function isVariadic()
{
return $this->options['is_variadic'];
}
public function isDeprecated()
{
return (bool) $this->options['deprecated'];
}
public function getDeprecatedVersion()
{
return $this->options['deprecated'];
}
public function getAlternative()
{
return $this->options['alternative'];
}
}
// For Twig 1.x compatibility
class_alias('Twig_Function', 'Twig_SimpleFunction', false);
class_alias('Twig_Function', 'Twig\TwigFunction', false);
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