Online PHP editor | output for dd5Lp

@ 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 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2: 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
Output for 8.0.1 - 8.0.30
Output for 7.4.0 - 7.4.33: Fatal error: Declaration of Foo::offsetExists(mixed $offset) must be compatible with ArrayAccess::offsetExists($offset) in /in/dd5Lp on line 8
Process exited with code 255.

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