* 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.
use Composer\Autoload\ClassLoader;
use Composer\Semver\VersionParser;
* This class is copied in every Composer installed project and available to all
* See also https://getcomposer.org/doc/07-runtime.md#installed-versions
* To require its presence, you can require `composer-runtime-api ^2.0`
private static $installed;
private static $canGetVendors;
private static $installedByVendor = array();
* Returns a list of all package names which are present, either by being installed, replaced or provided
* @psalm-return list<string>
public static function getInstalledPackages()
foreach (self::getInstalled() as $installed) {
$packages[] = array_keys($installed['versions']);
if (1 === \count($packages)) {
return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
* Returns a list of all package names with a specific type e.g. 'library'
* @psalm-return list<string>
public static function getInstalledPackagesByType($type)
$packagesByType = array();
foreach (self::getInstalled() as $installed) {
foreach ($installed['versions'] as $name => $package) {
if (isset($package['type']) && $package['type'] === $type) {
$packagesByType[] = $name;
* Checks whether the given package is installed
* This also returns true if the package name is provided or replaced by another package
* @param string $packageName
* @param bool $includeDevRequirements
public static function isInstalled($packageName, $includeDevRequirements = true)
foreach (self::getInstalled() as $installed) {
if (isset($installed['versions'][$packageName])) {
return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']);
* Checks whether the given package satisfies a version constraint
* e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
* Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
* @param VersionParser $parser Install composer/semver to have access to this class and functionality
* @param string $packageName
* @param string|null $constraint A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
public static function satisfies(VersionParser $parser, $packageName, $constraint)
$constraint = $parser->parseConstraints($constraint);
$provided = $parser->parseConstraints(self::getVersionRanges($packageName));
return $provided->matches($constraint);
* Returns a version constraint representing all the range(s) which are installed for a given package
* It is easier to use this via isInstalled() with the $constraint argument if you need to check
* whether a given version of a package is installed, and not just whether it exists
* @param string $packageName
* @return string Version constraint usable with composer/semver
public static function getVersionRanges($packageName)
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
if (isset($installed['versions'][$packageName]['pretty_version'])) {
$ranges[] = $installed['versions'][$packageName]['pretty_version'];
if (array_key_exists('aliases', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
if (array_key_exists('replaced', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
if (array_key_exists('provided', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
return implode(' || ', $ranges);
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
* @param string $packageName
* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
public static function getVersion($packageName)
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
if (!isset($installed['versions'][$packageName]['version'])) {
return $installed['versions'][$packageName]['version'];
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
* @param string $packageName
* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
public static function getPrettyVersion($packageName)
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
if (!isset($installed['versions'][$packageName]['pretty_version'])) {
return $installed['versions'][$packageName]['pretty_version'];
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
* @param string $packageName
* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
public static function getReference($packageName)
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
if (!isset($installed['versions'][$packageName]['reference'])) {
return $installed['versions'][$packageName]['reference'];
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
* @param string $packageName
* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
public static function getInstallPath($packageName)
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
* @psalm-return array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}
public static function getRootPackage()
$installed = self::getInstalled();
return $installed[0]['root'];
* Returns the raw installed.php data for custom implementations
* @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
* @psalm-return array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}
public static function getRawData()
@trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
if (null === self::$installed) {
// only require the installed.php file if this file is loaded from its dumped location,
// and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
if (substr(__DIR__, -8, 1) !== 'C') {
self::$installed = include __DIR__ . '/installed.php';
self::$installed = array();
* Returns the raw data of all installed.php which are currently loaded for custom implementations
* @psalm-return list<array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}>
public static function getAllRawData()
return self::getInstalled();
* Lets you reload the static array from another file
* This is only useful for complex integrations in which a project needs to use
* this class but then also needs to execute another project's autoloader in process,
* and wants to ensure both projects have access to their version of installed.php.
* A typical case would be PHPUnit, where it would need to make sure it reads all
* the data it needs from this class, then call reload() with
* `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
* the project in which it runs can then also use this class safely, without
* interference between PHPUnit's dependencies and the project's dependencies.
* @param array[] $data A vendor/composer/installed.php data set
* @psalm-param array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>} $data
public static function reload($data)
self::$installed = $data;
self::$installedByVendor = array();
* @psalm-return list<array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}>
private static function getInstalled()
if (null === self::$canGetVendors) {
self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
if (self::$canGetVendors) {
foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
if (isset(self::$installedByVendor[$vendorDir])) {
$installed[] = self::$installedByVendor[$vendorDir];
} elseif (is_file($vendorDir.'/composer/installed.php')) {
$installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
self::$installed = $installed[count($installed) - 1];
if (null === self::$installed) {
// only require the installed.php file if this file is loaded from its dumped location,
// and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
if (substr(__DIR__, -8, 1) !== 'C') {
self::$installed = require __DIR__ . '/installed.php';
self::$installed = array();
$installed[] = self::$installed;