Online PHP editor | rfc for tZI60

@ 2015-09-21T15:21:54Z

<?php
$convert = array_combine(
                array('ou', 'dou', 'npo', 'dop'),
                array(
                    1,
                    2,
                    3,
                    4
                )
            );
            
        var_dump($convert);

        /*'<h4>Категория учреждения</h4>' +
                '<select name="categoryOU">' +
                    '<option value=""></option>' +
                    '<option value="dou">Детские сады</option>' +
                    '<option value="ou">Образовательные учреждения</option>' +
                    '<option value="npo">Учреждения начального и среднего профессионального образования</option>' +
                    '<option value="dop">Учреждения дополнительного образования</option>' +
                '</select>' +*/
abstract class T
{
    static public $instanses;
    
    final private function __construct(){
        
    }
    
    public static function getInstance()
    {
        var_dump(static::$instanses);
        if (!(static::$instanses instanceof static)) {
            static::$instanses = new static;
        }
    var_dump(static::$instanses);
        return static::$instanses;
    }
}

class A extends T
{
    static public $instanses;
}

class B extends A
{
    static public $instanses;
}

$t = A::getInstance();
var_dump($t);

$t1 = B::getInstance();
var_dump($t1);

new B();




?>

Output for git.master, git.master_jit, rfc.property-hooks: array(4) { ["ou"]=> int(1) ["dou"]=> int(2) ["npo"]=> int(3) ["dop"]=> int(4) } NULL object(A)#1 (0) { } object(A)#1 (0) { } NULL object(B)#2 (0) { } object(B)#2 (0) { } Fatal error: Uncaught Error: Call to private T::__construct() from global scope in /in/tZI60:57 Stack trace: #0 {main} thrown in /in/tZI60 on line 57
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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