Online PHP editor | output for TWXI2

@ 2016-01-20T16:59:59Z

<?php

final class TypedArray extends ArrayIterator
{
    private $class;

    public function __construct($class)
    {
        $this->class = $class;

        parent::__construct(array());
    }

    public function offsetSet($index, $newValue)
    {
        if (!$newValue instanceof $this->class) {
            throw new \InvalidArgumentException('Expected instance of ' . $this->class);
        }
    }
}

class A {}

$array = new TypedArray(A::class);
$array[] = new A;
$array['boo'] = new A;

foreach ($array as $key => $value) {
    echo $key . ' -> ';
    var_dump($value);
    echo PHP_EOL;
}

$array[] = 'blah';

/* implements Iterator, ArrayAccess
{
    private $class;
    private $array;

    public function __construct($class)
    {
        $this->class = $class;
        $this->array = array();
    }

    public function current()
    {
        return current($this->array);
    }

    public function key()
    {
        return key($this->array);
    }

    public function next()
    {
        return next($this->array);
    }

    public function rewind()
    {
        return rewind($this->array);
    }
} */

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Deprecated: Return type of TypedArray::offsetSet($index, $newValue) should either be compatible with ArrayIterator::offsetSet(mixed $key, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/TWXI2 on line 14 Fatal error: Uncaught InvalidArgumentException: Expected instance of A in /in/TWXI2:17 Stack trace: #0 /in/TWXI2(34): TypedArray->offsetSet(NULL, 'blah') #1 {main} thrown in /in/TWXI2 on line 17
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: Fatal error: Uncaught InvalidArgumentException: Expected instance of A in /in/TWXI2:17 Stack trace: #0 /in/TWXI2(34): TypedArray->offsetSet(NULL, 'blah') #1 {main} thrown in /in/TWXI2 on line 17
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38: Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Expected instance of A' in /in/TWXI2:17 Stack trace: #0 /in/TWXI2(34): TypedArray->offsetSet(NULL, 'blah') #1 {main} thrown in /in/TWXI2 on line 17
Process exited with code 255.

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