Online PHP editor | rfc for fWo20

@ 2020-03-11T10:32:40Z

<?php

namespace StockCommandNS;

//Command interface
interface Order {
    public function execute();
}

//Receiver class
class StockTrade {

    public function buy() {
        print("You want to buy stocks\n");
    }

    public function sell() {
        print("You want to sell stocks\n");
    }
}

//Invoker class
class Agent {

    public function placeOrder(Order $order) {
        $order->execute($order);
    }
}

//ConcreteCommand Class
class GenericOrder implements Order {

    private $action;

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

    public function execute() {
        call_user_func($this->action);
    }
}

$stock = new StockTrade();
$bsc = new GenericOrder([$stock, 'buy']);
$ssc = new GenericOrder([$stock, 'sell']);
$agent = new Agent();
$agent->placeOrder($bsc); // Buy Shares
$agent->placeOrder($ssc); // Sell Shares

Output for git.master, git.master_jit, rfc.property-hooks: You want to buy stocks You want to sell stocks

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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