Online PHP editor | rfc for VJFBK

@ 2019-11-22T21:24:28Z

<?php

final class Options {
    // This is OK but why redundant initialization?
    // public array $stack = [];
    public array $stack;

    public function __construct(array $stack) {
        $this->stack = $stack;
    }

    public function __set(string $name, $value) {
        // if (empty($this->stack)) {
        //     // This line below yields: object(acme\Options)#1 (0) { ["stack"]=> uninitialized(array) }.
        //     // return;
        //     // This line below yields: object(acme\Options)#1 (1) { ["stack"]=> array(1) { ["stack"]=> array(1) { ["one"]=> int(1) } } }.
        //     // $this->stack = [];
        // }

        // This is solving problem but the purpose is not that also corrupting $stack structure inserting a new sub-array.
        // object(acme\Options)#1 (1) { ["stack"]=> array(2) { ["one"]=> int(1) ["stack"]=> array(1) { ["one"]=> int(1) } } }
        // $this->stack = $value;

        // This is indicating that __set called before (before __construct).
        // throw new \Exception();

        // This is problematic part.
        $this->stack[$name] = $value;
    }

    public function __get(string $name) {
        // This is indicating that __get called before (before __construct).
        // throw new \Exception();

        return $this->stack[$name] ?? null;
    }
}

var_dump(new Options(['one' => 1]));

Output for git.master, git.master_jit, rfc.property-hooks: object(Options)#1 (1) { ["stack"]=> array(1) { ["one"]=> int(1) } }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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