Online PHP editor | rfc for rskpC

@ 2024-02-20T08:52:16Z

<?php

enum Colour {
    case Red;
    case Blue;
    case Green;
    
    public static function fromCaseName (string $name): ?self {
        $cases = self::cases();
        foreach ($cases as $selCase) {
            if ($selCase->name === $name) {
                return $selCase;
            }
        }
        
        return null;
    }
    
    public function toRgb () {
        return match ($this) {
            self::Red => "255, 0, 0",
            self::Blue => "0, 255, 0",
            self::Green => "0, 0, 255"
        };
    }
    
    public function toHex () {
        return match ($this) {
            self::Red => "#ff0000",
            self::Blue => "#00ff00",
            self::Green => "#0000ff"
        };
    }
    
    public function toCmyk () {
        return match ($this) {
            self::Red => "0% 100% 100% 0%",
            self::Blue => "100% 0% 100% 0%",
            self::Green => "100% 100% 0% 0%"
        };
    }
}

var_dump(Colour::Red);
var_dump(Colour::Red->toRgb());
var_dump(Colour::Red->toHex());
var_dump(Colour::Red->toCmyk());
var_dump(Colour::fromCaseName('Red'));
var_dump(Colour::fromCaseName('Red')->toRgb());

Output for git.master_jit, git.master: enum(Colour::Red) string(9) "255, 0, 0" string(7) "#ff0000" string(15) "0% 100% 100% 0%" enum(Colour::Red) string(9) "255, 0, 0"

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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