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- <?php
- namespace Guzzle\Batch;
- use Guzzle\Common\Exception\InvalidArgumentException;
- /**
- * Batch transfer strategy where transfer logic can be defined via a Closure.
- * This class is to be used with {@see Guzzle\Batch\BatchInterface}
- */
- class BatchClosureTransfer implements BatchTransferInterface
- {
- /** @var callable A closure that performs the transfer */
- protected $callable;
- /** @var mixed $context Context passed to the callable */
- protected $context;
- /**
- * @param mixed $callable Callable that performs the transfer. This function should accept two arguments:
- * (array $batch, mixed $context).
- * @param mixed $context Optional context to pass to the batch divisor
- *
- * @throws InvalidArgumentException
- */
- public function __construct($callable, $context = null)
- {
- if (!is_callable($callable)) {
- throw new InvalidArgumentException('Argument must be callable');
- }
- $this->callable = $callable;
- $this->context = $context;
- }
- public function transfer(array $batch)
- {
- return empty($batch) ? null : call_user_func($this->callable, $batch, $this->context);
- }
- }
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