Online PHP editor | output for kfehh

@ 2014-05-07T04:00:52Z

<?php

class MyStuff extends ArrayObject {
  function offsetGet($offset) {
    echo "Called", PHP_EOL;
    return parent::offsetGet($offset);
  }
}

$array = array(
  'foo' => 42,
  'baz' => null, 
);

$array_object = new MyStuff($array);

// existing key, non-null value:
assert(isset($array['foo']) === true);
assert(empty($array['foo']) === false);

assert(isset($array_object['foo']) === true);
assert(empty($array_object['foo']) === false);

// non-existing key:
assert(isset($array['bar']) === false);
assert(empty($array['bar']) === true);

assert(isset($array_object['bar']) === false);
assert(empty($array_object['bar']) === true);

// key where value is null:
assert(isset($array['baz']) === false); 
assert(empty($array['baz']) === true); 

assert(isset($array_object['baz']) === false);
assert(empty($array_object['baz']) === true);

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Deprecated: Return type of MyStuff::offsetGet($offset) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/kfehh on line 4 Called Called
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: Called Called
Output for 5.3.11 - 5.3.29, 5.4.1 - 5.4.45, 5.5.0 - 5.5.37
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.10, 5.4.0: Warning: assert(): Assertion failed in /in/kfehh on line 35
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0: Warning: assert(): Assertion failed in /in/kfehh on line 35 Warning: assert(): Assertion failed in /in/kfehh on line 36
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9: Fatal error: Class mystuff: Cannot inherit from undefined class arrayobject in /in/kfehh on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Class mystuff: Cannot inherit from undefined class arrayobject in /in/kfehh on line 3

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