539 lines
21 KiB
PHP
539 lines
21 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Debug;
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use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
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@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.4, use "%s" instead.', DebugClassLoader::class, \Symfony\Component\ErrorHandler\DebugClassLoader::class), \E_USER_DEPRECATED);
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/**
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* Autoloader checking if the class is really defined in the file found.
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*
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* The ClassLoader will wrap all registered autoloaders
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* and will throw an exception if a file is found but does
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* not declare the class.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Christophe Coevoet <stof@notk.org>
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* @author Nicolas Grekas <p@tchwork.com>
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* @author Guilhem Niot <guilhem.niot@gmail.com>
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*
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* @deprecated since Symfony 4.4, use Symfony\Component\ErrorHandler\DebugClassLoader instead.
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*/
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class DebugClassLoader
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{
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private $classLoader;
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private $isFinder;
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private $loaded = [];
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private static $caseCheck;
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private static $checkedClasses = [];
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private static $final = [];
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private static $finalMethods = [];
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private static $deprecated = [];
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private static $internal = [];
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private static $internalMethods = [];
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private static $annotatedParameters = [];
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private static $darwinCache = ['/' => ['/', []]];
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private static $method = [];
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public function __construct(callable $classLoader)
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{
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$this->classLoader = $classLoader;
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$this->isFinder = \is_array($classLoader) && method_exists($classLoader[0], 'findFile');
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if (!isset(self::$caseCheck)) {
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$file = file_exists(__FILE__) ? __FILE__ : rtrim(realpath('.'), \DIRECTORY_SEPARATOR);
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$i = strrpos($file, \DIRECTORY_SEPARATOR);
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$dir = substr($file, 0, 1 + $i);
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$file = substr($file, 1 + $i);
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$test = strtoupper($file) === $file ? strtolower($file) : strtoupper($file);
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$test = realpath($dir.$test);
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if (false === $test || false === $i) {
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// filesystem is case sensitive
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self::$caseCheck = 0;
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} elseif (substr($test, -\strlen($file)) === $file) {
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// filesystem is case insensitive and realpath() normalizes the case of characters
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self::$caseCheck = 1;
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} elseif (false !== stripos(\PHP_OS, 'darwin')) {
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// on MacOSX, HFS+ is case insensitive but realpath() doesn't normalize the case of characters
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self::$caseCheck = 2;
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} else {
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// filesystem case checks failed, fallback to disabling them
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self::$caseCheck = 0;
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}
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}
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}
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/**
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* Gets the wrapped class loader.
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*
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* @return callable The wrapped class loader
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*/
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public function getClassLoader()
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{
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return $this->classLoader;
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}
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/**
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* Wraps all autoloaders.
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*/
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public static function enable()
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{
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// Ensures we don't hit https://bugs.php.net/42098
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class_exists(\Symfony\Component\Debug\ErrorHandler::class);
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class_exists(\Psr\Log\LogLevel::class);
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if (!\is_array($functions = spl_autoload_functions())) {
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return;
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}
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foreach ($functions as $function) {
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spl_autoload_unregister($function);
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}
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foreach ($functions as $function) {
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if (!\is_array($function) || !$function[0] instanceof self) {
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$function = [new static($function), 'loadClass'];
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}
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spl_autoload_register($function);
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}
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}
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/**
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* Disables the wrapping.
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*/
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public static function disable()
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{
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if (!\is_array($functions = spl_autoload_functions())) {
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return;
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}
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foreach ($functions as $function) {
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spl_autoload_unregister($function);
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}
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foreach ($functions as $function) {
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if (\is_array($function) && $function[0] instanceof self) {
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$function = $function[0]->getClassLoader();
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}
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spl_autoload_register($function);
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}
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}
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/**
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* @return string|null
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*/
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public function findFile($class)
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{
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return $this->isFinder ? $this->classLoader[0]->findFile($class) ?: null : null;
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}
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/**
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* Loads the given class or interface.
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*
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* @param string $class The name of the class
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*
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* @throws \RuntimeException
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*/
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public function loadClass($class)
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{
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$e = error_reporting(error_reporting() | \E_PARSE | \E_ERROR | \E_CORE_ERROR | \E_COMPILE_ERROR);
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try {
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if ($this->isFinder && !isset($this->loaded[$class])) {
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$this->loaded[$class] = true;
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if (!$file = $this->classLoader[0]->findFile($class) ?: false) {
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// no-op
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} elseif (\function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file)) {
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include $file;
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return;
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} elseif (false === include $file) {
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return;
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}
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} else {
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($this->classLoader)($class);
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$file = false;
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}
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} finally {
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error_reporting($e);
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}
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$this->checkClass($class, $file);
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}
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private function checkClass(string $class, string $file = null)
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{
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$exists = null === $file || class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
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if (null !== $file && $class && '\\' === $class[0]) {
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$class = substr($class, 1);
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}
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if ($exists) {
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if (isset(self::$checkedClasses[$class])) {
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return;
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}
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self::$checkedClasses[$class] = true;
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$refl = new \ReflectionClass($class);
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if (null === $file && $refl->isInternal()) {
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return;
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}
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$name = $refl->getName();
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if ($name !== $class && 0 === strcasecmp($name, $class)) {
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throw new \RuntimeException(sprintf('Case mismatch between loaded and declared class names: "%s" vs "%s".', $class, $name));
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}
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$deprecations = $this->checkAnnotations($refl, $name);
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foreach ($deprecations as $message) {
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@trigger_error($message, \E_USER_DEPRECATED);
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}
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}
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if (!$file) {
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return;
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}
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if (!$exists) {
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if (false !== strpos($class, '/')) {
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throw new \RuntimeException(sprintf('Trying to autoload a class with an invalid name "%s". Be careful that the namespace separator is "\" in PHP, not "/".', $class));
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}
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throw new \RuntimeException(sprintf('The autoloader expected class "%s" to be defined in file "%s". The file was found but the class was not in it, the class name or namespace probably has a typo.', $class, $file));
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}
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if (self::$caseCheck && $message = $this->checkCase($refl, $file, $class)) {
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throw new \RuntimeException(sprintf('Case mismatch between class and real file names: "%s" vs "%s" in "%s".', $message[0], $message[1], $message[2]));
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}
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}
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public function checkAnnotations(\ReflectionClass $refl, $class)
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{
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$deprecations = [];
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// Don't trigger deprecations for classes in the same vendor
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if (2 > $len = 1 + (strpos($class, '\\') ?: strpos($class, '_'))) {
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$len = 0;
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$ns = '';
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} else {
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$ns = str_replace('_', '\\', substr($class, 0, $len));
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}
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// Detect annotations on the class
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if (false !== $doc = $refl->getDocComment()) {
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foreach (['final', 'deprecated', 'internal'] as $annotation) {
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if (false !== strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$|\r?\n)#s', $doc, $notice)) {
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self::${$annotation}[$class] = isset($notice[1]) ? preg_replace('#\.?\r?\n( \*)? *(?= |\r?\n|$)#', '', $notice[1]) : '';
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}
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}
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if ($refl->isInterface() && false !== strpos($doc, 'method') && preg_match_all('#\n \* @method\s+(static\s+)?+(?:[\w\|&\[\]\\\]+\s+)?(\w+(?:\s*\([^\)]*\))?)+(.+?([[:punct:]]\s*)?)?(?=\r?\n \*(?: @|/$|\r?\n))#', $doc, $notice, \PREG_SET_ORDER)) {
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foreach ($notice as $method) {
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$static = '' !== $method[1];
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$name = $method[2];
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$description = $method[3] ?? null;
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if (false === strpos($name, '(')) {
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$name .= '()';
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}
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if (null !== $description) {
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$description = trim($description);
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if (!isset($method[4])) {
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$description .= '.';
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}
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}
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self::$method[$class][] = [$class, $name, $static, $description];
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}
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}
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}
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$parent = get_parent_class($class);
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$parentAndOwnInterfaces = $this->getOwnInterfaces($class, $parent ?: null);
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if ($parent) {
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$parentAndOwnInterfaces[$parent] = $parent;
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if (!isset(self::$checkedClasses[$parent])) {
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$this->checkClass($parent);
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}
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if (isset(self::$final[$parent])) {
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$deprecations[] = sprintf('The "%s" class is considered final%s. It may change without further notice as of its next major version. You should not extend it from "%s".', $parent, self::$final[$parent], $class);
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}
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}
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// Detect if the parent is annotated
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foreach ($parentAndOwnInterfaces + class_uses($class, false) as $use) {
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if (!isset(self::$checkedClasses[$use])) {
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$this->checkClass($use);
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}
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if (isset(self::$deprecated[$use]) && strncmp($ns, str_replace('_', '\\', $use), $len) && !isset(self::$deprecated[$class])) {
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$type = class_exists($class, false) ? 'class' : (interface_exists($class, false) ? 'interface' : 'trait');
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$verb = class_exists($use, false) || interface_exists($class, false) ? 'extends' : (interface_exists($use, false) ? 'implements' : 'uses');
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$deprecations[] = sprintf('The "%s" %s %s "%s" that is deprecated%s.', $class, $type, $verb, $use, self::$deprecated[$use]);
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}
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if (isset(self::$internal[$use]) && strncmp($ns, str_replace('_', '\\', $use), $len)) {
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$deprecations[] = sprintf('The "%s" %s is considered internal%s. It may change without further notice. You should not use it from "%s".', $use, class_exists($use, false) ? 'class' : (interface_exists($use, false) ? 'interface' : 'trait'), self::$internal[$use], $class);
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}
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if (isset(self::$method[$use])) {
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if ($refl->isAbstract()) {
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if (isset(self::$method[$class])) {
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self::$method[$class] = array_merge(self::$method[$class], self::$method[$use]);
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} else {
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self::$method[$class] = self::$method[$use];
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}
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} elseif (!$refl->isInterface()) {
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$hasCall = $refl->hasMethod('__call');
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$hasStaticCall = $refl->hasMethod('__callStatic');
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foreach (self::$method[$use] as $method) {
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[$interface, $name, $static, $description] = $method;
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if ($static ? $hasStaticCall : $hasCall) {
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continue;
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}
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$realName = substr($name, 0, strpos($name, '('));
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if (!$refl->hasMethod($realName) || !($methodRefl = $refl->getMethod($realName))->isPublic() || ($static && !$methodRefl->isStatic()) || (!$static && $methodRefl->isStatic())) {
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$deprecations[] = sprintf('Class "%s" should implement method "%s::%s"%s', $class, ($static ? 'static ' : '').$interface, $name, null == $description ? '.' : ': '.$description);
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}
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}
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}
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}
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}
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if (trait_exists($class)) {
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return $deprecations;
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}
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// Inherit @final, @internal and @param annotations for methods
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self::$finalMethods[$class] = [];
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self::$internalMethods[$class] = [];
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self::$annotatedParameters[$class] = [];
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foreach ($parentAndOwnInterfaces as $use) {
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foreach (['finalMethods', 'internalMethods', 'annotatedParameters'] as $property) {
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if (isset(self::${$property}[$use])) {
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self::${$property}[$class] = self::${$property}[$class] ? self::${$property}[$use] + self::${$property}[$class] : self::${$property}[$use];
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}
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}
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}
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foreach ($refl->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $method) {
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if ($method->class !== $class) {
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continue;
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}
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if ($parent && isset(self::$finalMethods[$parent][$method->name])) {
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[$declaringClass, $message] = self::$finalMethods[$parent][$method->name];
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$deprecations[] = sprintf('The "%s::%s()" method is considered final%s. It may change without further notice as of its next major version. You should not extend it from "%s".', $declaringClass, $method->name, $message, $class);
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}
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if (isset(self::$internalMethods[$class][$method->name])) {
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[$declaringClass, $message] = self::$internalMethods[$class][$method->name];
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if (strncmp($ns, $declaringClass, $len)) {
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$deprecations[] = sprintf('The "%s::%s()" method is considered internal%s. It may change without further notice. You should not extend it from "%s".', $declaringClass, $method->name, $message, $class);
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}
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||
|
|
}
|
||
|
|
|
||
|
|
// To read method annotations
|
||
|
|
$doc = $method->getDocComment();
|
||
|
|
|
||
|
|
if (isset(self::$annotatedParameters[$class][$method->name])) {
|
||
|
|
$definedParameters = [];
|
||
|
|
foreach ($method->getParameters() as $parameter) {
|
||
|
|
$definedParameters[$parameter->name] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach (self::$annotatedParameters[$class][$method->name] as $parameterName => $deprecation) {
|
||
|
|
if (!isset($definedParameters[$parameterName]) && !($doc && preg_match("/\\n\\s+\\* @param +((?(?!callable *\().*?|callable *\(.*\).*?))(?<= )\\\${$parameterName}\\b/", $doc))) {
|
||
|
|
$deprecations[] = sprintf($deprecation, $class);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$doc) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$finalOrInternal = false;
|
||
|
|
|
||
|
|
foreach (['final', 'internal'] as $annotation) {
|
||
|
|
if (false !== strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$|\r?\n)#s', $doc, $notice)) {
|
||
|
|
$message = isset($notice[1]) ? preg_replace('#\.?\r?\n( \*)? *(?= |\r?\n|$)#', '', $notice[1]) : '';
|
||
|
|
self::${$annotation.'Methods'}[$class][$method->name] = [$class, $message];
|
||
|
|
$finalOrInternal = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($finalOrInternal || $method->isConstructor() || false === strpos($doc, '@param') || StatelessInvocation::class === $class) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (!preg_match_all('#\n\s+\* @param +((?(?!callable *\().*?|callable *\(.*\).*?))(?<= )\$([a-zA-Z0-9_\x7f-\xff]++)#', $doc, $matches, \PREG_SET_ORDER)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (!isset(self::$annotatedParameters[$class][$method->name])) {
|
||
|
|
$definedParameters = [];
|
||
|
|
foreach ($method->getParameters() as $parameter) {
|
||
|
|
$definedParameters[$parameter->name] = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
foreach ($matches as [, $parameterType, $parameterName]) {
|
||
|
|
if (!isset($definedParameters[$parameterName])) {
|
||
|
|
$parameterType = trim($parameterType);
|
||
|
|
self::$annotatedParameters[$class][$method->name][$parameterName] = sprintf('The "%%s::%s()" method will require a new "%s$%s" argument in the next major version of its %s "%s", not defining it is deprecated.', $method->name, $parameterType ? $parameterType.' ' : '', $parameterName, interface_exists($class) ? 'interface' : 'parent class', $method->class);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $deprecations;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $file
|
||
|
|
* @param string $class
|
||
|
|
*
|
||
|
|
* @return array|null
|
||
|
|
*/
|
||
|
|
public function checkCase(\ReflectionClass $refl, $file, $class)
|
||
|
|
{
|
||
|
|
$real = explode('\\', $class.strrchr($file, '.'));
|
||
|
|
$tail = explode(\DIRECTORY_SEPARATOR, str_replace('/', \DIRECTORY_SEPARATOR, $file));
|
||
|
|
|
||
|
|
$i = \count($tail) - 1;
|
||
|
|
$j = \count($real) - 1;
|
||
|
|
|
||
|
|
while (isset($tail[$i], $real[$j]) && $tail[$i] === $real[$j]) {
|
||
|
|
--$i;
|
||
|
|
--$j;
|
||
|
|
}
|
||
|
|
|
||
|
|
array_splice($tail, 0, $i + 1);
|
||
|
|
|
||
|
|
if (!$tail) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tail = \DIRECTORY_SEPARATOR.implode(\DIRECTORY_SEPARATOR, $tail);
|
||
|
|
$tailLen = \strlen($tail);
|
||
|
|
$real = $refl->getFileName();
|
||
|
|
|
||
|
|
if (2 === self::$caseCheck) {
|
||
|
|
$real = $this->darwinRealpath($real);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true)
|
||
|
|
&& 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false)
|
||
|
|
) {
|
||
|
|
return [substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1)];
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* `realpath` on MacOSX doesn't normalize the case of characters.
|
||
|
|
*/
|
||
|
|
private function darwinRealpath(string $real): string
|
||
|
|
{
|
||
|
|
$i = 1 + strrpos($real, '/');
|
||
|
|
$file = substr($real, $i);
|
||
|
|
$real = substr($real, 0, $i);
|
||
|
|
|
||
|
|
if (isset(self::$darwinCache[$real])) {
|
||
|
|
$kDir = $real;
|
||
|
|
} else {
|
||
|
|
$kDir = strtolower($real);
|
||
|
|
|
||
|
|
if (isset(self::$darwinCache[$kDir])) {
|
||
|
|
$real = self::$darwinCache[$kDir][0];
|
||
|
|
} else {
|
||
|
|
$dir = getcwd();
|
||
|
|
|
||
|
|
if (!@chdir($real)) {
|
||
|
|
return $real.$file;
|
||
|
|
}
|
||
|
|
|
||
|
|
$real = getcwd().'/';
|
||
|
|
chdir($dir);
|
||
|
|
|
||
|
|
$dir = $real;
|
||
|
|
$k = $kDir;
|
||
|
|
$i = \strlen($dir) - 1;
|
||
|
|
while (!isset(self::$darwinCache[$k])) {
|
||
|
|
self::$darwinCache[$k] = [$dir, []];
|
||
|
|
self::$darwinCache[$dir] = &self::$darwinCache[$k];
|
||
|
|
|
||
|
|
while ('/' !== $dir[--$i]) {
|
||
|
|
}
|
||
|
|
$k = substr($k, 0, ++$i);
|
||
|
|
$dir = substr($dir, 0, $i--);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$dirFiles = self::$darwinCache[$kDir][1];
|
||
|
|
|
||
|
|
if (!isset($dirFiles[$file]) && ') : eval()\'d code' === substr($file, -17)) {
|
||
|
|
// Get the file name from "file_name.php(123) : eval()'d code"
|
||
|
|
$file = substr($file, 0, strrpos($file, '(', -17));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($dirFiles[$file])) {
|
||
|
|
return $real.$dirFiles[$file];
|
||
|
|
}
|
||
|
|
|
||
|
|
$kFile = strtolower($file);
|
||
|
|
|
||
|
|
if (!isset($dirFiles[$kFile])) {
|
||
|
|
foreach (scandir($real, 2) as $f) {
|
||
|
|
if ('.' !== $f[0]) {
|
||
|
|
$dirFiles[$f] = $f;
|
||
|
|
if ($f === $file) {
|
||
|
|
$kFile = $k = $file;
|
||
|
|
} elseif ($f !== $k = strtolower($f)) {
|
||
|
|
$dirFiles[$k] = $f;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
self::$darwinCache[$kDir][1] = $dirFiles;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $real.$dirFiles[$kFile];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* `class_implements` includes interfaces from the parents so we have to manually exclude them.
|
||
|
|
*
|
||
|
|
* @return string[]
|
||
|
|
*/
|
||
|
|
private function getOwnInterfaces(string $class, ?string $parent): array
|
||
|
|
{
|
||
|
|
$ownInterfaces = class_implements($class, false);
|
||
|
|
|
||
|
|
if ($parent) {
|
||
|
|
foreach (class_implements($parent, false) as $interface) {
|
||
|
|
unset($ownInterfaces[$interface]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($ownInterfaces as $interface) {
|
||
|
|
foreach (class_implements($interface) as $interface) {
|
||
|
|
unset($ownInterfaces[$interface]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $ownInterfaces;
|
||
|
|
}
|
||
|
|
}
|