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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Platform; class Runtime { /** * @param string $constant * @param class-string $class * * @return bool */ public function hasConstant($constant, $class = null) { return defined(ltrim($class.'::'.$constant, ':')); } /** * @param string $constant * @param class-string $class * * @return mixed */ public function getConstant($constant, $class = null) { return constant(ltrim($class.'::'.$constant, ':')); } /** * @param string $fn * * @return bool */ public function hasFunction($fn) { return function_exists($fn); } /** * @param callable $callable * @param mixed[] $arguments * * @return mixed */ public function invoke($callable, array $arguments = array()) { return call_user_func_array($callable, $arguments); } /** * @param class-string $class * * @return bool */ public function hasClass($class) { return class_exists($class, false); } /** * @param class-string $class * @param mixed[] $arguments * * @return object * @throws \ReflectionException */ public function construct($class, array $arguments = array()) { if (empty($arguments)) { return new $class; } $refl = new \ReflectionClass($class); return $refl->newInstanceArgs($arguments); } /** @return string[] */ public function getExtensions() { return get_loaded_extensions(); } /** * @param string $extension * * @return string */ public function getExtensionVersion($extension) { return phpversion($extension); } /** * @param string $extension * * @return string * @throws \ReflectionException */ public function getExtensionInfo($extension) { $reflector = new \ReflectionExtension($extension); ob_start(); $reflector->info(); return ob_get_clean(); } }