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backend/vendor/symfony/serializer/Mapping/Loader/AccessorCollisionResolverTrait.php

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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\Serializer\Mapping\Loader;
+
+use Symfony\Component\Serializer\Attribute\Ignore;
+
+/**
+ * Provides methods to detect accessor name collisions during serialization.
+ *
+ * @internal
+ */
+trait AccessorCollisionResolverTrait
+{
+    private function getAttributeNameFromAccessor(\ReflectionClass $class, \ReflectionMethod $method, bool $andMutator): ?string
+    {
+        $methodName = $method->name;
+
+        $i = match ($methodName[0]) {
+            's' => $andMutator && str_starts_with($methodName, 'set') ? 3 : null,
+            'g' => str_starts_with($methodName, 'get') ? 3 : null,
+            'h' => str_starts_with($methodName, 'has') ? 3 : null,
+            'c' => str_starts_with($methodName, 'can') ? 3 : null,
+            'i' => str_starts_with($methodName, 'is') ? 2 : null,
+            default => null,
+        };
+
+        // ctype_lower check to find out if method looks like accessor but actually is not, e.g. hash, cancel
+        if (null === $i || ctype_lower($methodName[$i] ?? 'a') || (!$andMutator && $method->isStatic())) {
+            return null;
+        }
+
+        if ('s' === $methodName[0] ? !$method->getNumberOfParameters() : ($method->getNumberOfRequiredParameters() || \in_array((string) $method->getReturnType(), ['void', 'never'], true))) {
+            return null;
+        }
+
+        $attributeName = substr($methodName, $i);
+
+        if (!$class->hasProperty($attributeName)) {
+            $attributeName = lcfirst($attributeName);
+        }
+
+        return $attributeName;
+    }
+
+    private function hasPropertyForAccessor(\ReflectionClass $class, string $propName): bool
+    {
+        do {
+            if ($class->hasProperty($propName)) {
+                return true;
+            }
+        } while ($class = $class->getParentClass());
+
+        return false;
+    }
+
+    private function hasAttributeNameCollision(\ReflectionClass $class, string $attributeName, string $methodName): bool
+    {
+        if ($this->hasPropertyForAccessor($class, $attributeName)) {
+            return true;
+        }
+
+        if ($class->hasMethod($attributeName)) {
+            $candidate = $class->getMethod($attributeName);
+            if ($candidate->getName() !== $methodName && $this->isReadableAccessorMethod($candidate)) {
+                return true;
+            }
+        }
+
+        $ucAttributeName = ucfirst($attributeName);
+        foreach (['get', 'is', 'has', 'can'] as $prefix) {
+            $candidateName = $prefix.$ucAttributeName;
+            if ($candidateName === $methodName || !$class->hasMethod($candidateName)) {
+                continue;
+            }
+
+            if ($this->isReadableAccessorMethod($class->getMethod($candidateName))) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private function isReadableAccessorMethod(\ReflectionMethod $method): bool
+    {
+        return $method->isPublic()
+            && !$method->isStatic()
+            && !$method->getAttributes(Ignore::class)
+            && !$method->getNumberOfRequiredParameters()
+            && !\in_array((string) $method->getReturnType(), ['void', 'never'], true);
+    }
+}