66 lines
1.9 KiB
PHP
66 lines
1.9 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\DependencyInjection\LazyProxy;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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class ProxyHelper
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{
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/**
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* @return string|null The FQCN or builtin name of the type hint, or null when the type hint references an invalid self|parent context
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*/
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public static function getTypeHint(\ReflectionFunctionAbstract $r, \ReflectionParameter $p = null, $noBuiltin = false)
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{
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if ($p instanceof \ReflectionParameter) {
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if (method_exists($p, 'getType')) {
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$type = $p->getType();
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} elseif (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $p, $type)) {
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$name = $type = $type[1];
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if ('callable' === $name || 'array' === $name) {
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return $noBuiltin ? null : $name;
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}
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}
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} else {
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$type = method_exists($r, 'getReturnType') ? $r->getReturnType() : null;
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}
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if (!$type) {
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return;
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}
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if (!\is_string($type)) {
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$name = $type instanceof \ReflectionNamedType ? $type->getName() : $type->__toString();
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if ($type->isBuiltin()) {
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return $noBuiltin ? null : $name;
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}
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}
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$lcName = strtolower($name);
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$prefix = $noBuiltin ? '' : '\\';
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if ('self' !== $lcName && 'parent' !== $lcName) {
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return $prefix.$name;
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}
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if (!$r instanceof \ReflectionMethod) {
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return;
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}
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if ('self' === $lcName) {
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return $prefix.$r->getDeclaringClass()->name;
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}
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if ($parent = $r->getDeclaringClass()->getParentClass()) {
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return $prefix.$parent->name;
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}
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}
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}
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