Viewing file:  CallbackToken.php (1.54 KB) -rw-r--r--
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<?php
/*
* This file is part of the Prophecy.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
* Marcello Duarte <marcello.duarte@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Prophecy\Argument\Token;
use Prophecy\Exception\InvalidArgumentException;
/**
* Callback-verified token.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class CallbackToken implements TokenInterface
{
private $callback;
/**
* Initializes token.
*
* @param callable $callback
*
* @throws \Prophecy\Exception\InvalidArgumentException
*/
public function __construct($callback)
{
if (!is_callable($callback)) {
throw new InvalidArgumentException(sprintf(
'Callable expected as an argument to CallbackToken, but got %s.',
gettype($callback)
));
}
$this->callback = $callback;
}
/**
* Scores 7 if callback returns true, false otherwise.
*
* @param $argument
*
* @return bool|int
*/
public function scoreArgument($argument)
{
return call_user_func($this->callback, $argument) ? 7 : false;
}
/**
* Returns false.
*
* @return bool
*/
public function isLast()
{
return false;
}
/**
* Returns string representation for token.
*
* @return string
*/
public function __toString()
{
return 'callback()';
}
}
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