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composer/src/Composer/Platform/HhvmDetector.php

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PHP

<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Platform;
use Composer\Util\Platform;
use Composer\Util\ProcessExecutor;
use Symfony\Component\Process\ExecutableFinder;
class HhvmDetector
{
private static $hhvmVersion;
private $executableFinder;
private $processExecutor;
public function __construct(ExecutableFinder $executableFinder = null, ProcessExecutor $processExecutor = null)
{
$this->executableFinder = $executableFinder;
$this->processExecutor = $processExecutor;
}
public function reset()
{
self::$hhvmVersion = null;
}
public function getVersion()
{
if (null !== self::$hhvmVersion) {
return self::$hhvmVersion ?: null;
}
self::$hhvmVersion = defined('HHVM_VERSION') ? HHVM_VERSION : null;
if (self::$hhvmVersion === null && !Platform::isWindows()) {
self::$hhvmVersion = false;
$this->executableFinder = $this->executableFinder ?: new ExecutableFinder();
$hhvmPath = $this->executableFinder->find('hhvm');
if ($hhvmPath !== null) {
$this->processExecutor = $this->processExecutor ?: new ProcessExecutor();
$exitCode = $this->processExecutor->execute(
ProcessExecutor::escape($hhvmPath).
' --php -d hhvm.jit=0 -r "echo HHVM_VERSION;" 2>/dev/null',
self::$hhvmVersion
);
if ($exitCode !== 0) {
self::$hhvmVersion = false;
}
}
}
return self::$hhvmVersion;
}
}