1: <?php
 2: 
 3: namespace WebLoader\Filter;
 4: 
 5: /**
 6:  * Simple process wrapper
 7:  *
 8:  * @author Patrik Votoček
 9:  * @license MIT
10:  */
11: class Process
12: {
13: 
14:     /**
15:      * @param string
16:      * @param string|NULL
17:      * @return string
18:      * @throws \RuntimeExeption
19:      */
20:     public static function run($cmd, $stdin = NULL)
21:     {
22:         $descriptorspec = array(
23:             0 => array('pipe', 'r'), // stdin
24:             1 => array('pipe', 'w'), // stdout
25:             2 => array('pipe', 'w'), // stderr
26:         );
27: 
28:         $pipes = array();
29:         $proc = proc_open($cmd, $descriptorspec, $pipes);
30: 
31:         if (!empty($stdin)) {
32:             fwrite($pipes[0], $stdin . PHP_EOL);
33:         }
34:         fclose($pipes[0]);
35: 
36:         $stdout = stream_get_contents($pipes[1]);
37:         $stderr = stream_get_contents($pipes[2]);
38: 
39:         $code = proc_close($proc);
40: 
41:         if ($code != 0) {
42:             throw new \RuntimeException($stderr, $code);
43:         }
44: 
45:         return $stdout;
46:     }
47: 
48: }