<?php

namespace Composer\Platform;

use Composer\Util\Platform;
use Composer\Util\ProcessExecutor;
use Symfony\Component\Process\ExecutableFinder;

class HhvmDetector
{
    /** @var string|false|null */
    private static $hhvmVersion = null;

    /** @var ?ExecutableFinder */
    private $executableFinder;

    /** @var ?ProcessExecutor */
    private $processExecutor;

    public function __construct(?ExecutableFinder $executableFinder = null, ?ProcessExecutor $processExecutor = null)
    {
        $this->executableFinder = $executableFinder;
        $this->processExecutor = $processExecutor;
    }

    public function reset(): void
    {
        self::$hhvmVersion = null;
    }

    public function getVersion(): ?string
    {
        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 = $this->processExecutor->execute([$hhvmPath, '--php', '-d', 'hhvm.jit=0', '-r', 'echo HHVM_VERSION;'], self::$hhvmVersion);
                if ($exitCode !== 0) {
                    self::$hhvmVersion = false;
                }
            }
        }

        return self::$hhvmVersion ?: null;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDIzMjA2MjYyMDgwOTk3NyAzNTI0Nzc0Mzk5NjA2NTIwIDkxMDY1NjgzNzUwOTAxNDk=