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@ 2014-02-13T12:27:34Z

<?php

/*
Challenge 1: Modify Test::$secret before it's output.

Rules::
1. No use of Reflection API / runkit extension
2. No stopping execution before Test::run()
3. No Exceptions or PHP errors / warnings notices allowed

Hints:
1. Caesar
2. Magic methods
3. Requires a new feature of PHP 5.4

*/


class Test
{
    private $secret = 'Nyy lbhe Onfr ner orybat gb hf.';

    private $callback;

    final public function run()
    {
        call_user_func($this->callback);
        return $this->secret . PHP_EOL;
    }

    public function __set($k, $v)
    {
        $key          = $v[($v[$v])]; // $v is some kind of weird array
        $value        = $v(); // and a callback!

        $this->{$key} = $value;
    }

}


$test = new Test;

// start editing here

class A implements ArrayAccess {

    private $callCount = 0;

	public function __invoke(){
        var_dump($this);die;
        echo "WOO";die;
    }






    public function offsetSet($offset, $value) {}
    public function offsetExists($offset) { return true; }
    public function offsetUnset($offset) {}
    public function offsetGet($offset) {
        $this->callCount++;
        if ($this->callCount == 1){
			$r = $this;
        } else {
			$r = "FOO";
        }

        return $r;
    }
}


$test->foo = new A;


// end editing here

echo $test->run();

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of A::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/gCFhg on line 61 Deprecated: Return type of A::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/gCFhg on line 63 Deprecated: Return type of A::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/gCFhg on line 60 Deprecated: Return type of A::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/gCFhg on line 62 object(A)#2 (1) { ["callCount":"A":private]=> int(2) }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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