<?php
 
 
 
 
 
 
 
 
 
 
 
 namespace Composer;
 
 use Composer\Autoload\ClassLoader;
 use Composer\Semver\VersionParser;
 
 
 
 
 
 
 class InstalledVersions
 {
 private static $installed = array (
   'root' => 
   array (
     'pretty_version' => '1.0.0+no-version-set',
     'version' => '1.0.0.0',
     'aliases' => 
     array (
     ),
     'reference' => NULL,
     'name' => '__root__',
   ),
   'versions' => 
   array (
     '__root__' => 
     array (
       'pretty_version' => '1.0.0+no-version-set',
       'version' => '1.0.0.0',
       'aliases' => 
       array (
       ),
       'reference' => NULL,
     ),
     'phaxio/phaxio' => 
     array (
       'pretty_version' => '2.0.2',
       'version' => '2.0.2.0',
       'aliases' => 
       array (
       ),
       'reference' => '6ad1f76b4f1ff1f68176dab9509ae66fdaa85487',
     ),
   ),
 );
 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 isInstalled($packageName)
 {
 foreach (self::getInstalled() as $installed) {
 if (isset($installed['versions'][$packageName])) {
 return true;
 }
 }
 
 return false;
 }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 public static function satisfies(VersionParser $parser, $packageName, $constraint)
 {
 $constraint = $parser->parseConstraints($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 getRootPackage()
 {
 $installed = self::getInstalled();
 
 return $installed[0]['root'];
 }
 
 
 
 
 
 
 
 public static function getRawData()
 {
 return self::$installed;
 }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 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')) {
 $installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
 }
 }
 }
 
 $installed[] = self::$installed;
 
 return $installed;
 }
 }