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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\VarDumper\Caster;
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use Symfony\Component\VarDumper\Cloner\Stub;
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/**
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* Represents a list of function arguments.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class ArgsStub extends EnumStub
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{
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private static array $parameters = [];
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public function __construct(array $args, string $function, ?string $class)
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{
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[$variadic, $params] = self::getParameters($function, $class);
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$values = [];
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foreach ($args as $k => $v) {
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$values[$k] = !\is_scalar($v) && !$v instanceof Stub ? new CutStub($v) : $v;
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}
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if (null === $params) {
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parent::__construct($values, false);
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return;
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}
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if (\count($values) < \count($params)) {
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$params = \array_slice($params, 0, \count($values));
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} elseif (\count($values) > \count($params)) {
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$values[] = new EnumStub(array_splice($values, \count($params)), false);
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$params[] = $variadic;
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}
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if (['...'] === $params) {
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$this->dumpKeys = false;
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$this->value = $values[0]->value;
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} else {
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$this->value = array_combine($params, $values);
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}
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}
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private static function getParameters(string $function, ?string $class): array
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{
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if (isset(self::$parameters[$k = $class.'::'.$function])) {
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return self::$parameters[$k];
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}
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try {
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$r = null !== $class ? new \ReflectionMethod($class, $function) : new \ReflectionFunction($function);
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} catch (\ReflectionException) {
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return [null, null];
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}
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$variadic = '...';
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$params = [];
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foreach ($r->getParameters() as $v) {
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$k = '$'.$v->name;
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if ($v->isPassedByReference()) {
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$k = '&'.$k;
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}
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if ($v->isVariadic()) {
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$variadic .= $k;
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} else {
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$params[] = $k;
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}
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}
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return self::$parameters[$k] = [$variadic, $params];
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}
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}
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