268 lines
9.1 KiB
PHP
268 lines
9.1 KiB
PHP
<?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\Config\Resource;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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use Symfony\Component\Messenger\Handler\MessageSubscriberInterface;
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use Symfony\Contracts\Service\ServiceSubscriberInterface;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @final
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*/
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class ReflectionClassResource implements SelfCheckingResourceInterface
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{
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private $files = [];
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private $className;
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private $classReflector;
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private $excludedVendors = [];
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private $hash;
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public function __construct(\ReflectionClass $classReflector, array $excludedVendors = [])
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{
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$this->className = $classReflector->name;
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$this->classReflector = $classReflector;
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$this->excludedVendors = $excludedVendors;
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}
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/**
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* {@inheritdoc}
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*/
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public function isFresh(int $timestamp): bool
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{
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if (null === $this->hash) {
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$this->hash = $this->computeHash();
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$this->loadFiles($this->classReflector);
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}
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foreach ($this->files as $file => $v) {
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if (false === $filemtime = @filemtime($file)) {
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return false;
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}
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if ($filemtime > $timestamp) {
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return $this->hash === $this->computeHash();
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}
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}
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return true;
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}
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public function __toString(): string
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{
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return 'reflection.'.$this->className;
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}
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/**
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* @internal
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*/
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public function __sleep(): array
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{
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if (null === $this->hash) {
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$this->hash = $this->computeHash();
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$this->loadFiles($this->classReflector);
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}
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return ['files', 'className', 'hash'];
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}
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private function loadFiles(\ReflectionClass $class)
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{
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foreach ($class->getInterfaces() as $v) {
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$this->loadFiles($v);
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}
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do {
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$file = $class->getFileName();
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if (false !== $file && is_file($file)) {
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foreach ($this->excludedVendors as $vendor) {
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if (str_starts_with($file, $vendor) && false !== strpbrk(substr($file, \strlen($vendor), 1), '/'.\DIRECTORY_SEPARATOR)) {
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$file = false;
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break;
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}
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}
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if ($file) {
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$this->files[$file] = null;
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}
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}
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foreach ($class->getTraits() as $v) {
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$this->loadFiles($v);
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}
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} while ($class = $class->getParentClass());
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}
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private function computeHash(): string
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{
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if (null === $this->classReflector) {
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try {
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$this->classReflector = new \ReflectionClass($this->className);
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} catch (\ReflectionException $e) {
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// the class does not exist anymore
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return false;
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}
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}
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$hash = hash_init('md5');
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foreach ($this->generateSignature($this->classReflector) as $info) {
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hash_update($hash, $info);
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}
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return hash_final($hash);
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}
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private function generateSignature(\ReflectionClass $class): iterable
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{
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if (\PHP_VERSION_ID >= 80000) {
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$attributes = [];
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foreach ($class->getAttributes() as $a) {
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$attributes[] = [$a->getName(), \PHP_VERSION_ID >= 80100 ? (string) $a : $a->getArguments()];
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}
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yield print_r($attributes, true);
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$attributes = [];
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}
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yield $class->getDocComment();
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yield (int) $class->isFinal();
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yield (int) $class->isAbstract();
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if ($class->isTrait()) {
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yield print_r(class_uses($class->name), true);
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} else {
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yield print_r(class_parents($class->name), true);
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yield print_r(class_implements($class->name), true);
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yield print_r($class->getConstants(), true);
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}
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if (!$class->isInterface()) {
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$defaults = $class->getDefaultProperties();
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foreach ($class->getProperties(\ReflectionProperty::IS_PUBLIC | \ReflectionProperty::IS_PROTECTED) as $p) {
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if (\PHP_VERSION_ID >= 80000) {
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foreach ($p->getAttributes() as $a) {
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$attributes[] = [$a->getName(), \PHP_VERSION_ID >= 80100 ? (string) $a : $a->getArguments()];
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}
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yield print_r($attributes, true);
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$attributes = [];
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}
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yield $p->getDocComment();
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yield $p->isDefault() ? '<default>' : '';
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yield $p->isPublic() ? 'public' : 'protected';
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yield $p->isStatic() ? 'static' : '';
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yield '$'.$p->name;
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yield print_r(isset($defaults[$p->name]) && !\is_object($defaults[$p->name]) ? $defaults[$p->name] : null, true);
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}
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}
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$defined = \Closure::bind(static function ($c) { return \defined($c); }, null, $class->name);
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foreach ($class->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $m) {
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if (\PHP_VERSION_ID >= 80000) {
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foreach ($m->getAttributes() as $a) {
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$attributes[] = [$a->getName(), \PHP_VERSION_ID >= 80100 ? (string) $a : $a->getArguments()];
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}
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yield print_r($attributes, true);
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$attributes = [];
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}
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$defaults = [];
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$parametersWithUndefinedConstants = [];
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foreach ($m->getParameters() as $p) {
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if (\PHP_VERSION_ID >= 80000) {
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foreach ($p->getAttributes() as $a) {
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$attributes[] = [$a->getName(), \PHP_VERSION_ID >= 80100 ? (string) $a : $a->getArguments()];
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}
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yield print_r($attributes, true);
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$attributes = [];
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}
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if (!$p->isDefaultValueAvailable()) {
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$defaults[$p->name] = null;
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continue;
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}
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if (\PHP_VERSION_ID >= 80100) {
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$defaults[$p->name] = (string) $p;
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continue;
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}
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if (!$p->isDefaultValueConstant() || $defined($p->getDefaultValueConstantName())) {
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$defaults[$p->name] = $p->getDefaultValue();
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continue;
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}
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$defaults[$p->name] = $p->getDefaultValueConstantName();
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$parametersWithUndefinedConstants[$p->name] = true;
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}
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if (!$parametersWithUndefinedConstants) {
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yield preg_replace('/^ @@.*/m', '', $m);
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} else {
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$t = $m->getReturnType();
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$stack = [
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$m->getDocComment(),
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$m->getName(),
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$m->isAbstract(),
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$m->isFinal(),
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$m->isStatic(),
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$m->isPublic(),
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$m->isPrivate(),
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$m->isProtected(),
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$m->returnsReference(),
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$t instanceof \ReflectionNamedType ? ((string) $t->allowsNull()).$t->getName() : (string) $t,
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];
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foreach ($m->getParameters() as $p) {
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if (!isset($parametersWithUndefinedConstants[$p->name])) {
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$stack[] = (string) $p;
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} else {
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$t = $p->getType();
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$stack[] = $p->isOptional();
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$stack[] = $t instanceof \ReflectionNamedType ? ((string) $t->allowsNull()).$t->getName() : (string) $t;
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$stack[] = $p->isPassedByReference();
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$stack[] = $p->isVariadic();
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$stack[] = $p->getName();
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}
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}
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yield implode(',', $stack);
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}
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yield print_r($defaults, true);
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}
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if ($class->isAbstract() || $class->isInterface() || $class->isTrait()) {
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return;
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}
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if (interface_exists(EventSubscriberInterface::class, false) && $class->isSubclassOf(EventSubscriberInterface::class)) {
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yield EventSubscriberInterface::class;
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yield print_r($class->name::getSubscribedEvents(), true);
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}
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if (interface_exists(MessageSubscriberInterface::class, false) && $class->isSubclassOf(MessageSubscriberInterface::class)) {
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yield MessageSubscriberInterface::class;
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foreach ($class->name::getHandledMessages() as $key => $value) {
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yield $key.print_r($value, true);
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}
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}
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if (interface_exists(ServiceSubscriberInterface::class, false) && $class->isSubclassOf(ServiceSubscriberInterface::class)) {
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yield ServiceSubscriberInterface::class;
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yield print_r($class->name::getSubscribedServices(), true);
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}
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}
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}
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