[Process] added the component
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src/Symfony/Components/Process/PhpProcess.php
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src/Symfony/Components/Process/PhpProcess.php
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<?php
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namespace Symfony\Components\Process;
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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.potencier@symfony-project.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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/**
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* PhpProcess runs a PHP script in a forked process.
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*
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* @package Symfony
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* @subpackage Components_Process
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class PhpProcess extends Process
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{
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/**
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* Constructor.
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*
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* @param string $script The PHP script to run (as a string)
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* @param string $cwd The working directory
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* @param array $env The environment variables
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* @param integer $timeout The timeout in seconds
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* @param array $options An array of options for proc_open
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*/
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public function __construct($script, $cwd = null, array $env = array(), $timeout = 60, array $options = array())
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{
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parent::__construct(null, $cwd, $env, $script, $timeout, $options);
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}
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/**
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* Sets the path to the PHP binary to use.
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*/
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public function setPhpBinary($php)
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{
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$this->commandline = $php;
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}
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/**
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* Forks and run the process.
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*
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* @param Closure|string|array $callback A PHP callback to run whenever there is some
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* output available on STDOUT or STDERR
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*
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* @return integer The exit status code
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*/
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public function run($callback)
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{
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if (null === $this->commandline)
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{
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$this->commandline = $this->getPhpBinary();
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}
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parent::run($callback);
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}
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/**
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* Returns the PHP binary path.
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*
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* return string The PHP binary path
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*/
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static public function getPhpBinary()
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{
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if (getenv('PHP_PATH'))
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{
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if (!is_executable($php = getenv('PHP_PATH')))
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{
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throw new \RuntimeException('The defined PHP_PATH environment variable is not a valid PHP executable.');
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}
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return $php;
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}
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$suffixes = DIRECTORY_SEPARATOR == '\\' ? (getenv('PATHEXT') ? explode(PATH_SEPARATOR, getenv('PATHEXT')) : array('.exe', '.bat', '.cmd', '.com')) : array('');
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foreach ($suffixes as $suffix)
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{
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if (is_executable($php = PHP_BINDIR.DIRECTORY_SEPARATOR.'php'.$suffix))
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{
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return $php;
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}
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}
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throw new \RuntimeException("Unable to find the PHP executable.");
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}
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}
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209
src/Symfony/Components/Process/Process.php
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src/Symfony/Components/Process/Process.php
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<?php
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namespace Symfony\Components\Process;
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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.potencier@symfony-project.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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/**
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* Process is a thin wrapper around proc_* functions to ease
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* the forking processes from PHP.
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*
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* @package Symfony
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* @subpackage Components_Process
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class Process
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{
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protected $commandline;
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protected $cwd;
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protected $env;
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protected $stdin;
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protected $timeout;
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protected $options;
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protected $exitcode;
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protected $status;
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/**
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* Constructor.
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*
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* @param string $commandline The command line to run
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* @param string $cwd The working directory
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* @param array $env The environment variables
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* @param string $stdin The STDIN content
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* @param integer $timeout The timeout in seconds
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* @param array $options An array of options for proc_open
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*/
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public function __construct($commandline, $cwd, array $env = array(), $stdin = null, $timeout = 60, array $options = array())
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{
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if (!function_exists('proc_open'))
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{
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throw new \RuntimeException('The Process class relies on proc_open, which is not available on your PHP installation.');
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}
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$this->commandline = $commandline;
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$this->cwd = null === $cwd ? getcwd() : $cwd;
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$this->env = array();
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foreach ($env as $key => $value)
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{
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$this->env[(binary) $key] = (binary) $value;
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}
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$this->stdin = $stdin;
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$this->timeout = $timeout;
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$this->options = array_merge($options, array('suppress_errors' => true, 'binary_pipes' => true));
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}
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/**
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* Forks and run the process.
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*
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* @param Closure|string|array $callback A PHP callback to run whenever there is some
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* output available on STDOUT or STDERR
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*
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* @return integer The exit status code
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*/
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public function run($callback)
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{
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$descriptors = array(array('pipe', 'r'), array('pipe', 'w'), array('pipe', 'w'));
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$proccess = proc_open($this->commandline, $descriptors, $pipes, $this->cwd, $this->env, $this->options);
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stream_set_blocking($pipes[1], false);
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stream_set_blocking($pipes[2], false);
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if (!is_resource($proccess))
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{
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throw new \RuntimeException('Unable to launch a new process.');
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}
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if (!is_null($this->stdin))
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{
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fwrite($pipes[0], (binary) $this->stdin);
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}
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fclose($pipes[0]);
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while (true)
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{
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$r = $pipes;
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$w = null;
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$e = null;
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$n = @stream_select($r, $w, $e, $this->timeout);
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if ($n === false)
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{
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break;
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}
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elseif ($n === 0)
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{
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proc_terminate($proccess);
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throw new \RuntimeException('The process timed out.');
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}
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elseif ($n > 0)
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{
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$called = false;
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while (true)
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{
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$c = false;
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if ($line = (binary) fgets($pipes[1], 1024))
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{
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$called = $c = true;
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call_user_func($callback, 'out', $line);
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}
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if ($line = fgets($pipes[2], 1024))
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{
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$called = $c = true;
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call_user_func($callback, 'err', $line);
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}
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if (!$c)
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{
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break;
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}
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}
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if (!$called)
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{
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break;
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}
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}
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}
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$this->status = proc_get_status($proccess);
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proc_close($proccess);
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if ($this->status['signaled'])
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{
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throw new \RuntimeException(sprintf('The process stopped because of a "%s" signal.', $this->status['stopsig']));
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}
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return $this->exitcode = $this->status['exitcode'];
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}
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/**
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* Returns the exit code returned by the process.
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*
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* @return integer The exit status code
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*/
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public function getExitCode()
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{
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return $this->exitcode;
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}
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/**
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* Returns true if the child process has been terminated by an uncaught signal.
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*
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* It always returns false on Windows.
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*
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* @return Boolean
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*/
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public function hasBeenSignaled()
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{
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return $this->status['signaled'];
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}
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/**
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* Returns the number of the signal that caused the child process to terminate its execution.
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*
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* It is only meaningful if hasBeenSignaled() returns true.
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*
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* @return integer
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*/
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public function getTermSignal()
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{
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return $this->status['termsig'];
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}
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/**
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* Returns true if the child process has been stopped by a signal.
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*
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* It always returns false on Windows.
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*
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* @return Boolean
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*/
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public function hasBeenStopped()
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{
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return $this->status['stopped'];
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}
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/**
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* Returns the number of the signal that caused the child process to stop its execution
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*
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* It is only meaningful if hasBeenStopped() returns true.
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*
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* @return integer
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*/
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public function getStopSignal()
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{
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return $this->status['stopsig'];
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}
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}
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