Online PHP editor | rfc for SWTa6

@ 2024-06-17T13:25:02Z

<?php

#[Attribute]
class BaseAttribute
{
    public function __construct(public readonly string $name)
    {
    }
}

#[Attribute]
class ConstantlyNameAttribute extends BaseAttribute
{
    public function __construct()
    {
        parent::__construct('Chris');
    }
}

#[ConstantlyNameAttribute]
class Thing{}

$reflectionClass = new ReflectionClass(Thing::class);

// Doesn't work
var_dump(getName($reflectionClass->getAttributes(BaseAttribute::class)));

// Works
var_dump(getName($reflectionClass->getAttributes(BaseAttribute::class, ReflectionAttribute::IS_INSTANCEOF)));

// Helper function
function getName(array $reflectionAttributes) : ?string
{
    if(!count($reflectionAttributes)){
        return null;
    }
    
    $attribute = array_pop($reflectionAttributes);
    return $attribute->newInstance()->name;
}

Output for git.master_jit, git.master: NULL string(5) "Chris"

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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