<?php

namespace Symfony\Component\Process;

use Symfony\Component\Process\Exception\InvalidArgumentException;

/**
 * ProcessUtils is a bunch of utility methods.
 *
 * This class contains static methods only and is not meant to be instantiated.
 *
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class ProcessUtils
{
    /**
     * This class should not be instantiated.
     */
    private function __construct()
    {
    }

    /**
     * Validates and normalizes a Process input.
     *
     * @param string $caller The name of method call that validates the input
     * @param mixed  $input  The input to validate
     *
     * @return mixed
     *
     * @throws InvalidArgumentException In case the input is not valid
     */
    public static function validateInput(string $caller, $input)
    {
        if (null !== $input) {
            if (\is_resource($input)) {
                return $input;
            }
            if (\is_string($input)) {
                return $input;
            }
            if (\is_scalar($input)) {
                return (string) $input;
            }
            if ($input instanceof Process) {
                return $input->getIterator($input::ITER_SKIP_ERR);
            }
            if ($input instanceof \Iterator) {
                return $input;
            }
            if ($input instanceof \Traversable) {
                return new \IteratorIterator($input);
            }

            throw new InvalidArgumentException(sprintf('"%s" only accepts strings, Traversable objects or stream resources.', $caller));
        }

        return $input;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjY3MDY3NjMxNzcwMjQyMiA2MDI1ODA0NzgwMjUwMDQwIDQ3NzU3MzUxNDA1MDkyODA=