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@ 2022-06-13T01:04:45Z

<?php
class Foo implements ArrayAccess
{
    public function offsetGet(mixed $offset)
    {
    }
    
    public function offsetExists(mixed $offset)
    {
    }

    public function offsetSet(mixed $offset, mixed $value)
    {
    }

    public function offsetUnset(mixed $offset)
    {
    }

}

class Foo81 implements ArrayAccess
{
    #[\ReturnTypeWillChange]
    public function offsetGet(mixed $offset)
    {
    }
    
    #[\ReturnTypeWillChange]
    public function offsetExists(mixed $offset)
    {
    }

    #[\ReturnTypeWillChange]
    public function offsetSet(mixed $offset, mixed $value)
    {
    }

    #[\ReturnTypeWillChange]
    public function offsetUnset(mixed $offset)
    {
    }

}

class Foo81ForReal implements ArrayAccess
{
    public function offsetGet(mixed $offset): string
    {
    }
    
    public function offsetExists(mixed $offset): bool
    {
    }

    public function offsetSet(mixed $offset, mixed $value): void
    {
    }

    public function offsetUnset(mixed $offset): void
    {
    }

}

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of Foo::offsetExists(mixed $offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dd5Lp on line 8 Deprecated: Return type of Foo::offsetGet(mixed $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/dd5Lp on line 4 Deprecated: Return type of Foo::offsetSet(mixed $offset, mixed $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dd5Lp on line 12 Deprecated: Return type of Foo::offsetUnset(mixed $offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dd5Lp on line 16

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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2016-08-14 Arrow functions - withdrawn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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