Viewing file:  ProxyHelper.php (2.72 KB) -rwxr-x---
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?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\DependencyInjection\LazyProxy;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
class ProxyHelper
{
/**
* @return string|null The FQCN or builtin name of the type hint, or null when the type hint references an invalid self|parent context
*/
public static function getTypeHint(\ReflectionFunctionAbstract $r, \ReflectionParameter $p = null, bool $noBuiltin = false): ?string
{
if ($p instanceof \ReflectionParameter) {
$type = $p->getType();
} else {
$type = $r->getReturnType();
}
if (!$type) {
return null;
}
return self::getTypeHintForType($type, $r, $noBuiltin);
}
private static function getTypeHintForType(\ReflectionType $type, \ReflectionFunctionAbstract $r, bool $noBuiltin): ?string
{
$types = [];
$glue = '|';
if ($type instanceof \ReflectionUnionType) {
$reflectionTypes = $type->getTypes();
} elseif ($type instanceof \ReflectionIntersectionType) {
$reflectionTypes = $type->getTypes();
$glue = '&';
} elseif ($type instanceof \ReflectionNamedType) {
$reflectionTypes = [$type];
} else {
return null;
}
foreach ($reflectionTypes as $type) {
if ($type instanceof \ReflectionIntersectionType) {
$typeHint = self::getTypeHintForType($type, $r, $noBuiltin);
if (null === $typeHint) {
return null;
}
$types[] = sprintf('(%s)', $typeHint);
continue;
}
if ($type->isBuiltin()) {
if (!$noBuiltin) {
$types[] = $type->getName();
}
continue;
}
$lcName = strtolower($type->getName());
$prefix = $noBuiltin ? '' : '\\';
if ('self' !== $lcName && 'parent' !== $lcName) {
$types[] = $prefix.$type->getName();
continue;
}
if (!$r instanceof \ReflectionMethod) {
continue;
}
if ('self' === $lcName) {
$types[] = $prefix.$r->getDeclaringClass()->name;
} else {
$types[] = ($parent = $r->getDeclaringClass()->getParentClass()) ? $prefix.$parent->name : null;
}
}
sort($types);
return $types ? implode($glue, $types) : null;
}
}
|