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@ 2014-02-04T21:57:24Z

<?php
 
class Doge
{
 
    private $name;
 
    public function __construct($name)
    {
        $this->name = $name;
    }
 
    public function getName()
    {
        return $this->name;
    }
 
    public function equalsWithSameType(self $other)
    {
        return ($other->name === $this->name);
    }
 
    public function equalsWithSubType(DogeCoin $sub)
    {
        return ($sub->name === $this->name);
    }
 
    public function equalsWithRandomType(SomethingElseCompletely $whatever_man)
    {
        return ($whatever_man->name === $this->name);
    }
}
 
class DogeCoin extends Doge
{
    private $name;
}
 
class SomethingElseCompletely
{
    private $name;
 
    public function __construct($name) {
        $this->name = $name;
    }
}
 
$first_doge = new Doge('a');
$second_doge = new Doge('a');
//$doge_coin = new DogeCoin('a');
$something_else_completely = new SomethingElseCompletely('a');
 
var_dump($first_doge->equalsWithSameType($second_doge));
var_dump($first_doge->equalsWithSubType($doge_coin));
var_dump($first_doge->equalsWithRandomType($something_else_completely));

Output for git.master, git.master_jit, rfc.property-hooks: bool(true) Warning: Undefined variable $doge_coin in /in/ephOh on line 54 Fatal error: Uncaught TypeError: Doge::equalsWithSubType(): Argument #1 ($sub) must be of type DogeCoin, null given, called in /in/ephOh on line 54 and defined in /in/ephOh:23 Stack trace: #0 /in/ephOh(54): Doge->equalsWithSubType(NULL) #1 {main} thrown in /in/ephOh on line 23
Process exited with code 255.

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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