3v4l.org

run code in 300+ PHP versions simultaneously

@ 2022-12-14T12:30:57Z

<?php

trait CalculatesArea
{
    private $pi = 3.1416;
    
    private function rectangularArea(): float
    {
       return $this->a * $this->b;
    }
    
    private function ellipticArea(): float
    {
       return $this->a * $this->b * $this->pi;
    }
}

abstract class Shape
{
    use CalculatesArea;
    
    public function __construct(protected float $a, protected float $b) {}

    public function area(): ?float
    {
        if ($this instanceof Rectangle) {
            return $this->rectangularArea();
        }
        
        if ($this instanceof Ellipse) {
            return $this->ellipticArea();
        }
        
        return null;
    }
}

class Rectangle extends Shape {}

class Ellipse extends Shape {}

var_dump(
    (new Rectangle(3, 4))->area(),
    (new Ellipse(1.3, 3.8))->area(),
);

Output for git.master, git.master_jit, rfc.property-hooks: float(12) float(15.519503999999998)

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

31.25 ms | 405 KiB | 5 Q