--- /dev/null
+<?php
+/*
+ * This file is part of the Environment package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\Environment;
+
+/**
+ * Utility class for HHVM/PHP environment handling.
+ */
+class Runtime
+{
+ /**
+ * @var string
+ */
+ private static $binary;
+
+ /**
+ * Returns true when Xdebug is supported or
+ * the runtime used is PHPDBG (PHP >= 7.0).
+ *
+ * @return bool
+ */
+ public function canCollectCodeCoverage()
+ {
+ return $this->hasXdebug() || $this->hasPHPDBGCodeCoverage();
+ }
+
+ /**
+ * Returns the path to the binary of the current runtime.
+ * Appends ' --php' to the path when the runtime is HHVM.
+ *
+ * @return string
+ */
+ public function getBinary()
+ {
+ // HHVM
+ if (self::$binary === null && $this->isHHVM()) {
+ if ((self::$binary = getenv('PHP_BINARY')) === false) {
+ self::$binary = PHP_BINARY;
+ }
+
+ self::$binary = escapeshellarg(self::$binary) . ' --php';
+ }
+
+ // PHP >= 5.4.0
+ if (self::$binary === null && defined('PHP_BINARY')) {
+ if (PHP_BINARY !== '') {
+ self::$binary = escapeshellarg(PHP_BINARY);
+ }
+ }
+
+ // PHP < 5.4.0
+ if (self::$binary === null) {
+ if (PHP_SAPI == 'cli' && isset($_SERVER['_'])) {
+ if (strpos($_SERVER['_'], 'phpunit') !== false) {
+ $file = file($_SERVER['_']);
+
+ if (strpos($file[0], ' ') !== false) {
+ $tmp = explode(' ', $file[0]);
+ self::$binary = escapeshellarg(trim($tmp[1]));
+ } else {
+ self::$binary = escapeshellarg(ltrim(trim($file[0]), '#!'));
+ }
+ } elseif (strpos(basename($_SERVER['_']), 'php') !== false) {
+ self::$binary = escapeshellarg($_SERVER['_']);
+ }
+ }
+ }
+
+ if (self::$binary === null) {
+ $possibleBinaryLocations = array(
+ PHP_BINDIR . '/php',
+ PHP_BINDIR . '/php-cli.exe',
+ PHP_BINDIR . '/php.exe'
+ );
+
+ foreach ($possibleBinaryLocations as $binary) {
+ if (is_readable($binary)) {
+ self::$binary = escapeshellarg($binary);
+ break;
+ }
+ }
+ }
+
+ if (self::$binary === null) {
+ self::$binary = 'php';
+ }
+
+ return self::$binary;
+ }
+
+ /**
+ * @return string
+ */
+ public function getNameWithVersion()
+ {
+ return $this->getName() . ' ' . $this->getVersion();
+ }
+
+ /**
+ * @return string
+ */
+ public function getName()
+ {
+ if ($this->isHHVM()) {
+ return 'HHVM';
+ } elseif ($this->isPHPDBG()) {
+ return 'PHPDBG';
+ } else {
+ return 'PHP';
+ }
+ }
+
+ /**
+ * @return string
+ */
+ public function getVendorUrl()
+ {
+ if ($this->isHHVM()) {
+ return 'http://hhvm.com/';
+ } else {
+ return 'https://secure.php.net/';
+ }
+ }
+
+ /**
+ * @return string
+ */
+ public function getVersion()
+ {
+ if ($this->isHHVM()) {
+ return HHVM_VERSION;
+ } else {
+ return PHP_VERSION;
+ }
+ }
+
+ /**
+ * Returns true when the runtime used is PHP and Xdebug is loaded.
+ *
+ * @return bool
+ */
+ public function hasXdebug()
+ {
+ return ($this->isPHP() || $this->isHHVM()) && extension_loaded('xdebug');
+ }
+
+ /**
+ * Returns true when the runtime used is HHVM.
+ *
+ * @return bool
+ */
+ public function isHHVM()
+ {
+ return defined('HHVM_VERSION');
+ }
+
+ /**
+ * Returns true when the runtime used is PHP without the PHPDBG SAPI.
+ *
+ * @return bool
+ */
+ public function isPHP()
+ {
+ return !$this->isHHVM() && !$this->isPHPDBG();
+ }
+
+ /**
+ * Returns true when the runtime used is PHP with the PHPDBG SAPI.
+ *
+ * @return bool
+ */
+ public function isPHPDBG()
+ {
+ return PHP_SAPI === 'phpdbg' && !$this->isHHVM();
+ }
+
+ /**
+ * Returns true when the runtime used is PHP with the PHPDBG SAPI
+ * and the phpdbg_*_oplog() functions are available (PHP >= 7.0).
+ *
+ * @return bool
+ */
+ public function hasPHPDBGCodeCoverage()
+ {
+ return $this->isPHPDBG() && function_exists('phpdbg_start_oplog');
+ }
+}