<?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 = $this->processExecutor->execute(
                    ProcessExecutor::escape($hhvmPath).
                    ' --php -d hhvm.jit=0 -r "echo HHVM_VERSION;" 2>/dev/null',
                    self::$hhvmVersion
                );
                if ($exitCode !== 0) {
                    self::$hhvmVersion = false;
                }
            }
        }

        return self::$hhvmVersion ?: null;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDgxMzMzMTgzNjI0MTU4NCAyMzQ2MDUzMzA3MTM3NDA4IDI2NjIwNjY1NDIzMjk4NDQ=