Online PHP editor | rfc for GDOuR

@ 2020-09-14T23:12:14Z

<?php

interface ArrayAccessInterface extends ArrayAccess
{
    public function keyExists(string $offset): bool; 
    public function offsetIsset(string $offset): bool;
}

abstract class ArrayAccessAbstract implements ArrayAccessInterface
{
    public function offsetExists($offset): bool
    {
        return static::offsetIsset((string) $offset);
    }
}

class C extends ArrayAccessAbstract
{
    public $data = array(
        "foo" => null
    );
    public function keyExists(string $offset): bool
    {
        return array_key_exists($offset, $this->data);
    }
    public function offsetIsset(string $offset): bool
    {
        return isset($this->data[$offset]);
    }
    public function offsetGet($offset)
    {
        return $this->data[$offset];
    }
    public function offsetSet($offset, $value): void
    {
        $this->data[$offset] = $value;
    }
    public function offsetUnset($offset): void
    {
        unset($this->data[$offset]);
    }
}

$o = new C();

var_dump(empty($o['foo']));
var_dump(isset($o['foo']));
var_dump($o->keyExists('foo'));
var_dump(property_exists($o, 'foo'));
#var_dump(array_key_exists('foo', $o));
#var_dump(array_key_exists('foo', ['foo' => null]));

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of C::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/GDOuR on line 30 bool(true) bool(false) bool(true) bool(false)

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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