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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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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 <fabien@symfony.com>
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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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namespace Symfony\Component\Process\Pipes;
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/**
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 * PipesInterface manages descriptors and pipes for the use of proc_open.
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 *
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 * @author Romain Neutron <imprec@gmail.com>
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 *
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 * @internal
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 */
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interface PipesInterface
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{
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    public const CHUNK_SIZE = 16384;
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    /**
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     * Returns an array of descriptors for the use of proc_open.
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     */
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    public function getDescriptors(): array;
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    /**
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     * Returns an array of filenames indexed by their related stream in case these pipes use temporary files.
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     *
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     * @return string[]
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     */
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    public function getFiles(): array;
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    /**
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     * Reads data in file handles and pipes.
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     *
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     * @param bool $blocking Whether to use blocking calls or not
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     * @param bool $close    Whether to close pipes if they've reached EOF
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     *
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     * @return string[] An array of read data indexed by their fd
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     */
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    public function readAndWrite(bool $blocking, bool $close = false): array;
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    /**
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     * Returns if the current state has open file handles or pipes.
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     */
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    public function areOpen(): bool;
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    /**
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     * Returns if pipes are able to read output.
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     */
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    public function haveReadSupport(): bool;
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    /**
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     * Closes file handles and pipes.
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     */
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    public function close();
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}