<?php
namespace Composer;
if (!defined('ABSPATH')) exit;
use Composer\Autoload\ClassLoader;
use Composer\Semver\VersionParser;
class InstalledVersions
{
 private static $installed;
 private static $canGetVendors;
 private static $installedByVendor = array();
 public static function getInstalledPackages()
 {
 $packages = array();
 foreach (self::getInstalled() as $installed) {
 $packages[] = array_keys($installed['versions']);
 }
 if (1 === \count($packages)) {
 return $packages[0];
 }
 return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
 }
 public static function getInstalledPackagesByType($type)
 {
 $packagesByType = array();
 foreach (self::getInstalled() as $installed) {
 foreach ($installed['versions'] as $name => $package) {
 if (isset($package['type']) && $package['type'] === $type) {
 $packagesByType[] = $name;
 }
 }
 }
 return $packagesByType;
 }
 public static function isInstalled($packageName, $includeDevRequirements = true)
 {
 foreach (self::getInstalled() as $installed) {
 if (isset($installed['versions'][$packageName])) {
 return $includeDevRequirements || !isset($installed['versions'][$packageName]['dev_requirement']) || $installed['versions'][$packageName]['dev_requirement'] === false;
 }
 }
 return false;
 }
 public static function satisfies(VersionParser $parser, $packageName, $constraint)
 {
 $constraint = $parser->parseConstraints((string) $constraint);
 $provided = $parser->parseConstraints(self::getVersionRanges($packageName));
 return $provided->matches($constraint);
 }
 public static function getVersionRanges($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (!isset($installed['versions'][$packageName])) {
 continue;
 }
 $ranges = array();
 if (isset($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 "' . $packageName . '" is not installed');
 }
 public static function getVersion($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (!isset($installed['versions'][$packageName])) {
 continue;
 }
 if (!isset($installed['versions'][$packageName]['version'])) {
 return null;
 }
 return $installed['versions'][$packageName]['version'];
 }
 throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
 }
 public static function getPrettyVersion($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (!isset($installed['versions'][$packageName])) {
 continue;
 }
 if (!isset($installed['versions'][$packageName]['pretty_version'])) {
 return null;
 }
 return $installed['versions'][$packageName]['pretty_version'];
 }
 throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
 }
 public static function getReference($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (!isset($installed['versions'][$packageName])) {
 continue;
 }
 if (!isset($installed['versions'][$packageName]['reference'])) {
 return null;
 }
 return $installed['versions'][$packageName]['reference'];
 }
 throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
 }
 public static function getInstallPath($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (!isset($installed['versions'][$packageName])) {
 continue;
 }
 return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
 }
 throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
 }
 public static function getRootPackage()
 {
 $installed = self::getInstalled();
 return $installed[0]['root'];
 }
 public static function getRawData()
 {
 @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
 if (null === self::$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::$installed = include __DIR__ . '/installed.php';
 } else {
 self::$installed = array();
 }
 }
 return self::$installed;
 }
 public static function getAllRawData()
 {
 return self::getInstalled();
 }
 public static function reload($data)
 {
 self::$installed = $data;
 self::$installedByVendor = array();
 }
 private static function getInstalled()
 {
 if (null === self::$canGetVendors) {
 self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
 }
 $installed = array();
 if (self::$canGetVendors) {
 foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
 if (isset(self::$installedByVendor[$vendorDir])) {
 $installed[] = self::$installedByVendor[$vendorDir];
 } elseif (is_file($vendorDir.'/composer/installed.php')) {
 $required = require $vendorDir.'/composer/installed.php';
 $installed[] = self::$installedByVendor[$vendorDir] = $required;
 if (null === self::$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') {
 $required = require __DIR__ . '/installed.php';
 self::$installed = $required;
 } else {
 self::$installed = array();
 }
 }
 if (self::$installed !== array()) {
 $installed[] = self::$installed;
 }
 return $installed;
 }
}