/usr/share/php/Predis/Option/CustomOption.php is in libphp-predis 0.8.3-1.
This file is owned by root:root, with mode 0o644.
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/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Option;
/**
* Implements a generic class used to dynamically define a client option.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class CustomOption implements OptionInterface
{
private $filter;
private $default;
/**
* @param array $options List of options
*/
public function __construct(Array $options = array())
{
$this->filter = $this->ensureCallable($options, 'filter');
$this->default = $this->ensureCallable($options, 'default');
}
/**
* Checks if the specified value in the options array is a callable object.
*
* @param array $options Array of options
* @param string $key Target option.
*/
private function ensureCallable($options, $key)
{
if (!isset($options[$key])) {
return;
}
if (is_callable($callable = $options[$key])) {
return $callable;
}
throw new \InvalidArgumentException("The parameter $key must be callable");
}
/**
* {@inheritdoc}
*/
public function filter(ClientOptionsInterface $options, $value)
{
if (isset($value)) {
if ($this->filter === null) {
return $value;
}
return call_user_func($this->filter, $options, $value);
}
}
/**
* {@inheritdoc}
*/
public function getDefault(ClientOptionsInterface $options)
{
if (!isset($this->default)) {
return;
}
return call_user_func($this->default, $options);
}
/**
* {@inheritdoc}
*/
public function __invoke(ClientOptionsInterface $options, $value)
{
if (isset($value)) {
return $this->filter($options, $value);
}
return $this->getDefault($options);
}
}
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