3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-06-04T11:08:08Z

<?php

/*
Challenge 2: Implement AnswerInterface and get Question to echo "4".
*/

class Question
{
    public function __construct(AnswerInterface $answer)
    {
        echo "What is 2 + 2?\n";
        $answer = $answer->get()->the()->answer();

        if ($answer instanceof AnswerInterface) {
            echo $answer . PHP_EOL;
        }
    }
}

interface AnswerInterface
{
    public function get();
    public function the();
    public function answer();
}

// start editing here
class Answer implements AnswerInterface
{

	public function get()
    {
        return $this;
    }

    public function the()
    {
        return $this;

    }

    public function answer()
    {
		 return $this;
    }

    public function __toString()
    {
        return $this->get();
    }

}

// end editing here

$answer = new Answer;
$question = new Question($answer);

Output for git.master, git.master_jit: What is 2 + 2?
Process exited with code 139.
Output for rfc.property-hooks: What is 2 + 2? Fatal error: Out of memory (allocated 27262976 bytes) (tried to allocate 20480 bytes) in /in/OSqRo on line 0 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

32.46 ms | 401 KiB | 8 Q