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admin/phpMyAdmin/vendor/symfony/dependency-injection/LazyProxy/ProxyHelper.php

@@ -0,0 +1,93 @@
+<?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;
+    }
+}