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PipesInterface.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * 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 <imprec@gmail.com>
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