blob: f8b485bd40c3f8203e7770f41d0612756bf7d2ca [file] [log] [blame]
Matthias Andreas Benkard7b2a3a12021-08-16 10:57:25 +02001<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\VarDumper\Caster;
13
14use Symfony\Component\VarDumper\Cloner\Stub;
15
16/**
17 * Represents a list of function arguments.
18 *
19 * @author Nicolas Grekas <p@tchwork.com>
20 */
21class ArgsStub extends EnumStub
22{
23 private static $parameters = [];
24
25 public function __construct(array $args, string $function, ?string $class)
26 {
27 [$variadic, $params] = self::getParameters($function, $class);
28
29 $values = [];
30 foreach ($args as $k => $v) {
31 $values[$k] = !is_scalar($v) && !$v instanceof Stub ? new CutStub($v) : $v;
32 }
33 if (null === $params) {
34 parent::__construct($values, false);
35
36 return;
37 }
38 if (\count($values) < \count($params)) {
39 $params = \array_slice($params, 0, \count($values));
40 } elseif (\count($values) > \count($params)) {
41 $values[] = new EnumStub(array_splice($values, \count($params)), false);
42 $params[] = $variadic;
43 }
44 if (['...'] === $params) {
45 $this->dumpKeys = false;
46 $this->value = $values[0]->value;
47 } else {
48 $this->value = array_combine($params, $values);
49 }
50 }
51
52 private static function getParameters(string $function, ?string $class): array
53 {
54 if (isset(self::$parameters[$k = $class.'::'.$function])) {
55 return self::$parameters[$k];
56 }
57
58 try {
59 $r = null !== $class ? new \ReflectionMethod($class, $function) : new \ReflectionFunction($function);
60 } catch (\ReflectionException $e) {
61 return [null, null];
62 }
63
64 $variadic = '...';
65 $params = [];
66 foreach ($r->getParameters() as $v) {
67 $k = '$'.$v->name;
68 if ($v->isPassedByReference()) {
69 $k = '&'.$k;
70 }
71 if ($v->isVariadic()) {
72 $variadic .= $k;
73 } else {
74 $params[] = $k;
75 }
76 }
77
78 return self::$parameters[$k] = [$variadic, $params];
79 }
80}