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<?php
/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace Symfony\Component\VarDumper\Caster;
use Symfony\Component\VarDumper\Cloner\Stub;
/** * Represents a list of function arguments. * * @author Nicolas Grekas <p@tchwork.com> */ class ArgsStub extends EnumStub { private static $parameters = [];
public function __construct(array $args, $function, $class) { list($variadic, $params) = self::getParameters($function, $class);
$values = []; foreach ($args as $k => $v) { $values[$k] = !is_scalar($v) && !$v instanceof Stub ? new CutStub($v) : $v; } if (null === $params) { parent::__construct($values, false);
return; } if (\count($values) < \count($params)) { $params = \array_slice($params, 0, \count($values)); } elseif (\count($values) > \count($params)) { $values[] = new EnumStub(array_splice($values, \count($params)), false); $params[] = $variadic; } if (['...'] === $params) { $this->dumpKeys = false; $this->value = $values[0]->value; } else { $this->value = array_combine($params, $values); } }
private static function getParameters($function, $class) { if (isset(self::$parameters[$k = $class.'::'.$function])) { return self::$parameters[$k]; }
try { $r = null !== $class ? new \ReflectionMethod($class, $function) : new \ReflectionFunction($function); } catch (\ReflectionException $e) { return [null, null]; }
$variadic = '...'; $params = []; foreach ($r->getParameters() as $v) { $k = '$'.$v->name; if ($v->isPassedByReference()) { $k = '&'.$k; } if (method_exists($v, 'isVariadic') && $v->isVariadic()) { $variadic .= $k; } else { $params[] = $k; } }
return self::$parameters[$k] = [$variadic, $params]; } }
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