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Add comprehensive PHP 8 compatibility support and documentation
Co-authored-by: lisachenko <[email protected]>
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‎CHANGELOG.md‎

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Changelog
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======
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4.x-dev (Work in Progress)
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* [Feature] Full PHP 8.2+ compatibility with comprehensive syntax support
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* [Feature] Added PHP 8 compatibility tests and documentation
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* [Feature] Support for PHP 8.0+ features: union types, named parameters, attributes, constructor property promotion, mixed type, static return type
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* [Feature] Support for PHP 8.1+ features: readonly properties, enums, intersection types, never return type, final class constants
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* [Feature] Support for PHP 8.2+ features: readonly classes, DNF types, null/false/true types, constants in traits
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* [Documentation] Added UPGRADE-PHP8.md guide for PHP 8 migration
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* [Known Issue] getConstants() filter parameter accepted but not fully implemented in parser-reflection dependency
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* [BC BREAK] Minimum PHP version raised to 8.2
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3.0.0 (December 4, 2019)
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* [BC BREAK] Switched to the PHP7.2 and upper, strict types, return type hints and new syntax
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* [BC BREAK] Removed the Joinpoint->getThis() method, as not all joinpoints belongs to classes (eg. FunctionInvocation)

‎README.md‎

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Go! AOP framework can be installed with composer. Installation is quite easy:
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### Requirements
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- **PHP 8.2+** (for PHP 8 compatibility details, see [UPGRADE-PHP8.md](UPGRADE-PHP8.md))
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- **Composer** for dependency management
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1. Download the framework using composer
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2. Create an application aspect kernel
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3. Configure the aspect kernel in the front controller

‎UPGRADE-PHP8.md‎

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# PHP 8 Compatibility Guide
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This document outlines the PHP 8 compatibility status of the Go! AOP Framework and provides guidance for users upgrading to PHP 8+.
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## Current Status
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The Go! AOP Framework has been updated to support PHP 8.2+ and includes comprehensive support for PHP 8 language features:
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- ✅ **PHP 8.0 Features**: Union types, named parameters, attributes, constructor property promotion, mixed type, static return type
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- ✅ **PHP 8.1 Features**: Readonly properties, enums, intersection types, never return type, final class constants
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- ✅ **PHP 8.2 Features**: Readonly classes, DNF types, null/false/true types, constants in traits
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- ✅ **Basic Framework Functionality**: All core framework components work correctly with PHP 8+
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## Known Issues
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### getConstants() Method Filter Parameter
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The `goaop/parser-reflection` dependency includes a compatibility implementation of `ReflectionClass::getConstants(?int $filter = null)` that accepts the PHP 8 filter parameter but **does not properly implement the filtering logic**.
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**Impact**: Code that relies on filtering constants by visibility (public, protected, private) will receive all constants instead of filtered results.
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**Example**:
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```php
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// This will return ALL constants instead of just public ones
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$constants = $parserReflectionClass->getConstants(ReflectionClassConstant::IS_PUBLIC);
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```
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**Workaround**: If you need filtered constants, use the native PHP ReflectionClass when possible:
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```php
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// Use native reflection when the class is already loaded
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$nativeReflection = new \ReflectionClass($className);
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$publicConstants = $nativeReflection->getConstants(\ReflectionClassConstant::IS_PUBLIC);
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```
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## Requirements
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- **PHP Version**: 8.2 or higher
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- **Dependencies**:
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- `goaop/parser-reflection`: 4.x-dev (PHP 8 compatible)
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- `nikic/php-parser`: ^5.0
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- Other dependencies are automatically resolved
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## Migration from Older Versions
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If you're upgrading from an older version of the framework that used `goaop/parser-reflection` 2.x:
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1. **Update your composer.json**:
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```json
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{
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"require": {
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"goaop/framework": "^3.0",
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"php": "^8.2"
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}
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}
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```
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2. **Run composer update**:
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```bash
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composer update
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```
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3. **Test your application** with the updated dependencies.
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## Reporting Issues
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If you encounter PHP 8 compatibility issues:
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1. Verify you're using the latest version of the framework
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2. Check that all dependencies are up to date
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3. Review this guide for known issues
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4. Report new issues on the [GitHub repository](https://github.com/goaop/framework/issues)
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## Contributing
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Help improve PHP 8 compatibility by:
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- Testing the framework with your PHP 8+ applications
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- Reporting compatibility issues
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- Contributing test cases for new PHP features
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- Submitting pull requests for fixes
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---
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*Last updated: 2025-07-09*

‎bin/check-php8-compatibility‎

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#!/usr/bin/env php
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<?php
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/**
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* Go! AOP Framework PHP 8 Compatibility Checker
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*
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* This script helps verify that your environment is properly configured
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* for PHP 8 compatibility with the Go! AOP Framework.
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*/
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if (PHP_VERSION_ID < 80200) {
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echo "❌ PHP 8.2+ is required. Current version: " . PHP_VERSION . "\n";
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echo "Please upgrade to PHP 8.2 or higher.\n";
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exit(1);
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}
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echo "✅ PHP Version: " . PHP_VERSION . " (compatible)\n";
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// Check if composer is available
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$autoloadPath = __DIR__ . '/../vendor/autoload.php';
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if (!file_exists($autoloadPath)) {
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echo "❌ Composer dependencies not installed\n";
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echo "Run: composer install\n";
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exit(1);
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}
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require_once $autoloadPath;
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echo "✅ Composer autoloader available\n";
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// Check parser-reflection version
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try {
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if (!class_exists('\Go\ParserReflection\ReflectionFile')) {
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echo "❌ Parser-reflection library not available\n";
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echo "Run: composer install\n";
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exit(1);
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}
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$reflection = new \Go\ParserReflection\ReflectionFile(__FILE__);
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echo "✅ Parser-reflection library loaded\n";
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} catch (Exception $e) {
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echo "❌ Parser-reflection error: " . $e->getMessage() . "\n";
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exit(1);
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}
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// Test getConstants compatibility
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echo "\n--- Testing getConstants() PHP 8 compatibility ---\n";
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$testCode = '<?php
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namespace CompatTest;
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class TestClass {
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const PUBLIC_CONST = "public";
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protected const PROTECTED_CONST = "protected";
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private const PRIVATE_CONST = "private";
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}';
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$testFile = sys_get_temp_dir() . '/compat_test.php';
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file_put_contents($testFile, $testCode);
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try {
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$reflectionFile = new \Go\ParserReflection\ReflectionFile($testFile);
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include_once $testFile;
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$namespace = $reflectionFile->getFileNamespace('CompatTest');
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$class = $namespace->getClass('CompatTest\TestClass');
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$allConstants = $class->getConstants();
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$publicConstants = $class->getConstants(\ReflectionClassConstant::IS_PUBLIC);
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echo " All constants: " . count($allConstants) . "\n";
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echo " Public constants (with filter): " . count($publicConstants) . "\n";
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if (count($publicConstants) === count($allConstants)) {
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echo " ⚠️ Filter parameter accepted but not properly implemented\n";
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echo " This is a known issue. See UPGRADE-PHP8.md for details.\n";
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} else {
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echo " ✅ Filter parameter working correctly\n";
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}
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} catch (Exception $e) {
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echo "❌ Error testing getConstants(): " . $e->getMessage() . "\n";
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} finally {
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unlink($testFile);
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}
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// Test PHP 8 syntax parsing
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echo "\n--- Testing PHP 8 syntax parsing ---\n";
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$syntaxTests = [
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'Union Types' => '<?php class Test { public string|int $prop; }',
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'Attributes' => '<?php #[\Attribute] class A {} #[A] class B {}',
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'Named Parameters' => '<?php class Test { function f($a = "", $b = "") {} function g() { $this->f(b: "x", a: "y"); } }',
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];
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foreach ($syntaxTests as $name => $code) {
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$testFile = sys_get_temp_dir() . '/syntax_test_' . md5($name) . '.php';
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file_put_contents($testFile, $code);
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try {
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new \Go\ParserReflection\ReflectionFile($testFile);
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echo " ✅ $name\n";
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} catch (Exception $e) {
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echo " ❌ $name: " . $e->getMessage() . "\n";
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} finally {
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unlink($testFile);
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}
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}
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echo "\n--- Framework Core Classes ---\n";
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// Test core framework classes
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$coreClasses = [
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'Go\Core\AdviceMatcher',
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'Go\Instrument\Transformer\MagicConstantTransformer',
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'Go\Aop\Pointcut\TruePointcut',
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];
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foreach ($coreClasses as $className) {
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try {
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$reflection = new ReflectionClass($className);
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echo " ✅ $className\n";
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} catch (Exception $e) {
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echo " ❌ $className: " . $e->getMessage() . "\n";
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}
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}
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echo "\n🎉 PHP 8 compatibility check complete!\n";
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echo "\nFor detailed information about PHP 8 compatibility, see:\n";
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echo " - UPGRADE-PHP8.md\n";
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echo " - CHANGELOG.md\n";
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echo "\nIf you encounter issues, please report them at:\n";
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echo " https://github.com/goaop/framework/issues\n";

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