Online PHP editor | output for VmY1C

@ 2025-06-24T06:30:25Z

<?php

interface Foo
{
    public function doSomething(int $foo = null): void;
}

class Bar implements Foo
{
    public function doSomething(?int $foo = null): void
    {
        
    }
}

class ExtendedBar extends Bar
{
    public function doSomething(int $foo = null): void
    {
        parent::doSomething($foo);
    }
}

interface Foo2
{
    public function doSomething(?int $foo = null): void;
}

class Bar2 implements Foo2
{
    public function doSomething(int $foo = null): void
    {
        
    }
}

Output for 8.4.1 - 8.4.14: Deprecated: Foo::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 5 Deprecated: ExtendedBar::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 18 Deprecated: Bar2::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 31
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27

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