wp-optimize / vendor / symfony / process / Pipes / PipesInterface.php

PipesInterface.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.5, at vendor/symfony/process/Pipes/PipesInterface.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <[email protected]>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Symfony\Component\Process\Pipes;
13
14	/**
15	* PipesInterface manages descriptors and pipes for the use of proc_open.
16	*
17	* @author Romain Neutron <[email protected]>
18	*
19	* @internal
20	*/
21	interface PipesInterface
22	{
23	const CHUNK_SIZE = 16384;
24
25	/**
26	* Returns an array of descriptors for the use of proc_open.
27	*
28	* @return array
29	*/
30	public function getDescriptors();
31
32	/**
33	* Returns an array of filenames indexed by their related stream in case these pipes use temporary files.
34	*
35	* @return string[]
36	*/
37	public function getFiles();
38
39	/**
40	* Reads data in file handles and pipes.
41	*
42	* @param bool $blocking Whether to use blocking calls or not
43	* @param bool $close Whether to close pipes if they've reached EOF
44	*
45	* @return string[] An array of read data indexed by their fd
46	*/
47	public function readAndWrite($blocking, $close = false);
48
49	/**
50	* Returns if the current state has open file handles or pipes.
51	*
52	* @return bool
53	*/
54	public function areOpen();
55
56	/**
57	* Returns if pipes are able to read output.
58	*
59	* @return bool
60	*/
61	public function haveReadSupport();
62
63	/**
64	* Closes file handles and pipes.
65	*/
66	public function close();
67	}
68