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<?php declare(strict_types=1);
/*
* This file is part of sebastian/environment.
*
* (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;
use const PHP_BINARY;
use const PHP_BINDIR;
use const PHP_MAJOR_VERSION;
use const PHP_SAPI;
use const PHP_VERSION;
use function array_map;
use function array_merge;
use function escapeshellarg;
use function explode;
use function extension_loaded;
use function ini_get;
use function is_readable;
use function parse_ini_file;
use function php_ini_loaded_file;
use function php_ini_scanned_files;
use function phpversion;
use function sprintf;
use function strrpos;
final class Runtime
{
private static string $rawBinary;
private static bool $initialized = false;
/**
* Returns true when Xdebug or PCOV is available or
* the runtime used is PHPDBG.
*/
public function canCollectCodeCoverage(): bool
{
return $this->hasXdebug() || $this->hasPCOV() || $this->hasPHPDBGCodeCoverage();
}
/**
* Returns true when Zend OPcache is loaded, enabled,
* and is configured to discard comments.
*/
public function discardsComments(): bool
{
if (!$this->isOpcacheActive()) {
return false;
}
if (ini_get('opcache.save_comments') !== '0') {
return false;
}
return true;
}
/**
* Returns true when Zend OPcache is loaded, enabled,
* and is configured to perform just-in-time compilation.
*/
public function performsJustInTimeCompilation(): bool
{
if (PHP_MAJOR_VERSION < 8) {
return false;
}
if (!$this->isOpcacheActive()) {
return false;
}
if (ini_get('opcache.jit_buffer_size') === '0') {
return false;
}
$jit = ini_get('opcache.jit');
if (($jit === 'disable') || ($jit === 'off')) {
return false;
}
if (strrpos($jit, '0') === 3) {
return false;
}
return true;
}
/**
* Returns the raw path to the binary of the current runtime.
*/
public function getRawBinary(): string
{
if (self::$initialized) {
return self::$rawBinary;
}
if (PHP_BINARY !== '') {
self::$rawBinary = PHP_BINARY;
self::$initialized = true;
return self::$rawBinary;
}
// @codeCoverageIgnoreStart
$possibleBinaryLocations = [
PHP_BINDIR . '/php',
PHP_BINDIR . '/php-cli.exe',
PHP_BINDIR . '/php.exe',
];
foreach ($possibleBinaryLocations as $binary) {
if (is_readable($binary)) {
self::$rawBinary = $binary;
self::$initialized = true;
return self::$rawBinary;
}
}
self::$rawBinary = 'php';
self::$initialized = true;
return self::$rawBinary;
// @codeCoverageIgnoreEnd
}
/**
* Returns the escaped path to the binary of the current runtime.
*/
public function getBinary(): string
{
return escapeshellarg($this->getRawBinary());
}
public function getNameWithVersion(): string
{
return $this->getName() . ' ' . $this->getVersion();
}
public function getNameWithVersionAndCodeCoverageDriver(): string
{
if ($this->hasPCOV()) {
return sprintf(
'%s with PCOV %s',
$this->getNameWithVersion(),
phpversion('pcov'),
);
}
if ($this->hasXdebug()) {
return sprintf(
'%s with Xdebug %s',
$this->getNameWithVersion(),
phpversion('xdebug'),
);
}
return $this->getNameWithVersion();
}
public function getName(): string
{
if ($this->isPHPDBG()) {
// @codeCoverageIgnoreStart
return 'PHPDBG';
// @codeCoverageIgnoreEnd
}
return 'PHP';
}
public function getVendorUrl(): string
{
return 'https://www.php.net/';
}
public function getVersion(): string
{
return PHP_VERSION;
}
/**
* Returns true when the runtime used is PHP and Xdebug is loaded.
*/
public function hasXdebug(): bool
{
return $this->isPHP() && extension_loaded('xdebug');
}
/**
* Returns true when the runtime used is PHP without the PHPDBG SAPI.
*/
public function isPHP(): bool
{
return !$this->isPHPDBG();
}
/**
* Returns true when the runtime used is PHP with the PHPDBG SAPI.
*/
public function isPHPDBG(): bool
{
return PHP_SAPI === 'phpdbg';
}
/**
* Returns true when the runtime used is PHP with the PHPDBG SAPI
* and the phpdbg_*_oplog() functions are available (PHP >= 7.0).
*/
public function hasPHPDBGCodeCoverage(): bool
{
return $this->isPHPDBG();
}
/**
* Returns true when the runtime used is PHP with PCOV loaded and enabled.
*/
public function hasPCOV(): bool
{
return $this->isPHP() && extension_loaded('pcov') && ini_get('pcov.enabled');
}
/**
* Parses the loaded php.ini file (if any) as well as all
* additional php.ini files from the additional ini dir for
* a list of all configuration settings loaded from files
* at startup. Then checks for each php.ini setting passed
* via the `$values` parameter whether this setting has
* been changed at runtime. Returns an array of strings
* where each string has the format `key=value` denoting
* the name of a changed php.ini setting with its new value.
*
* @return string[]
*/
public function getCurrentSettings(array $values): array
{
$diff = [];
$files = [];
if ($file = php_ini_loaded_file()) {
$files[] = $file;
}
if ($scanned = php_ini_scanned_files()) {
$files = array_merge(
$files,
array_map(
'trim',
explode(",\n", $scanned),
),
);
}
foreach ($files as $ini) {
$config = parse_ini_file($ini, true);
foreach ($values as $value) {
$set = ini_get($value);
if (empty($set)) {
continue;
}
if ((!isset($config[$value]) || ($set !== $config[$value]))) {
$diff[$value] = sprintf('%s=%s', $value, $set);
}
}
}
return $diff;
}
private function isOpcacheActive(): bool
{
if (!extension_loaded('Zend OPcache')) {
return false;
}
if ((PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') && ini_get('opcache.enable_cli') === '1') {
return true;
}
if (PHP_SAPI !== 'cli' && PHP_SAPI !== 'phpdbg' && ini_get('opcache.enable') === '1') {
return true;
}
return false;
}
}