PHP code example of rikudou / friend-classes

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

rikudou / friend-classes example snippets

use Rikudou\FriendClasses\Attribute\FriendClass;

#[FriendClass(MyOtherClass::class)]
class ClassWithPrivateProperty
{
    private int $myPrivateProperty = 0;
    
    private function myPrivateMethod(): bool
    {
        return true;
    }
}

class MyOtherClass
{
    public function someMethod(): void
    {
        $privateObject = new ClassWithPrivateProperty();
        $result = $privateObject->myPrivateProperty;
        $result = $privateObject->myPrivateMethod();
    }
}

use Rikudou\FriendClasses\Attribute\FriendClass;

#[FriendClass('FriendClass1')]
#[FriendClass('FriendClass2')]
class MyClass
{
}

use Rikudou\FriendClasses\Attribute\HasFriendClasses;
use Rikudou\FriendClasses\Attribute\FriendClass;

#[HasFriendClasses]
class MyPrivateClass {
    #[FriendClass(ClassWithAccessToPrivateProperties::class)]
    private int $someProperty = 1;
    private int $someOtherProperty = 2;
    
    #[FriendClass(ClassWithAccessToPrivateProperties::class)]
    private function someMethod(): void
    {
        // nothing to do
    }
    
    private function someOtherMethod(): void
    {
        // nothing to do
    }
}

class ClassWithAccessToPrivateProperties
{
    public function __construct()
    {
        $privateClass = new MyPrivateClass();
        var_dump($privateClass->someProperty); // will dump 1
        var_dump($privateClass->someOtherProperty); // will throw an error because this class is not a friend
        $privateClass->someMethod(); // won't fail
        $privateClass->someOtherMethod(); // will throw an error because this class is not a friend
    }
}

use Rikudou\FriendClasses\Attribute\FriendClass;

#[FriendClass(Class1::class)]
class PrivateClass
{
    #[FriendClass(Class2::class)]
    private int $accessibleToBothClasses = 1;
    private int $accessibleOnlyToClass1 = 2;
}

class Class1
{
    public function __construct()
    {
        $instance = new PrivateClass();
        $instance->accessibleToBothClasses;
        $instance->accessibleOnlyToClass1;
        var_dump('This will get dumped because Class1 is a friend of the whole class and thus has access to everything');
    }
}

class Class2
{
    public function __construct()
    {
        $instance = new PrivateClass();
        $instance->accessibleToBothClasses;
        $instance->accessibleOnlyToClass1;
        var_dump('This will not get dumped because Class2 is only a friend to the $accessibleToBothClasses field');
    }
}

use Rikudou\FriendClasses\Attribute\FriendClass;

 #[FriendClass('SomeFriendClass')]
class MyClass{private $property = 1;}