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<?php |
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|
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace Symfony\Component\Process; |
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|
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use Symfony\Component\Process\Exception\InvalidArgumentException; |
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|
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/** |
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* ProcessUtils is a bunch of utility methods. |
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* |
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* This class contains static methods only and is not meant to be instantiated. |
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* |
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* @author Martin Hasoň <[email protected]> |
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*/ |
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class ProcessUtils |
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{ |
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/** |
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* This class should not be instantiated. |
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*/ |
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private function __construct() |
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{ |
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} |
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|
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/** |
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* Validates and normalizes a Process input. |
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* |
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* @param string $caller The name of method call that validates the input |
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* @param mixed $input The input to validate |
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* |
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* @throws InvalidArgumentException In case the input is not valid |
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*/ |
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public static function validateInput(string $caller, mixed $input): mixed |
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{ |
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if (null !== $input) { |
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if (\is_resource($input)) { |
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return $input; |
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} |
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if (\is_scalar($input)) { |
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return (string) $input; |
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} |
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if ($input instanceof Process) { |
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return $input->getIterator($input::ITER_SKIP_ERR); |
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} |
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if ($input instanceof \Iterator) { |
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return $input; |
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} |
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if ($input instanceof \Traversable) { |
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return new \IteratorIterator($input); |
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} |
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|
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throw new InvalidArgumentException(\sprintf('"%s" only accepts strings, Traversable objects or stream resources.', $caller)); |
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} |
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|
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return $input; |
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} |
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} |
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