Online PHP editor | rfc for TrMTe

@ 2023-12-23T12:10:22Z

<?php

#[Attribute(Attribute::TARGET_PROPERTY)]
class PropertyAttributes
 {
    public function __construct(
        public readonly ?string $name = null,
        public readonly ?string $label = null,
    ) {}
 }

#[Attribute(Attribute::TARGET_PROPERTY)]
class IntegerPropertyAttributes extends PropertyAttributes
 {
    public function __construct(
        ?string $name = null,
        ?string $label = null,
        public readonly ?int $default = null,
        public readonly ?int $min = null,
        public readonly ?int $max = null,
        public readonly ?int $step = null,
    ) {
        parent::__construct($name, $label);
    }
 }

#[Attribute(Attribute::TARGET_PROPERTY)]
class FloatPropertyAttributes extends PropertyAttributes
 {
    public function __construct(
        ?string $name = null,
        ?string $label = null,
        public readonly ?float $default = null,
        public readonly ?float $min = null,
        public readonly ?float $max = null,
    ) {
        parent::__construct($name, $label);
    }
 }

class MyClass
 {
     #[IntegerPropertyAttributes('prop','property: ',5,0,10,1)]
     public int $prop;
 }

$refl = new ReflectionProperty('MyClass', 'prop');
$attributes = $refl->getAttributes();

    foreach ($attributes as $attribute) {
       var_dump($attribute->getName());
       var_dump($attribute->getArguments());
       var_dump($attribute->newInstance());
    }

Output for git.master, git.master_jit, rfc.property-hooks: string(25) "IntegerPropertyAttributes" array(6) { [0]=> string(4) "prop" [1]=> string(10) "property: " [2]=> int(5) [3]=> int(0) [4]=> int(10) [5]=> int(1) } object(IntegerPropertyAttributes)#3 (6) { ["name"]=> string(4) "prop" ["label"]=> string(10) "property: " ["default"]=> int(5) ["min"]=> int(0) ["max"]=> int(10) ["step"]=> 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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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