3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* Challenge 1: Modify Test::$secret before it's output. Rules:: 1. No use of Reflection API / runkit extension 2. No stopping execution before Test::run() 3. No Exceptions or PHP errors / warnings notices allowed 4. No redefining $test Hints: 1. Caesar 2. Magic methods 3. Requires a new feature of PHP 5.4 */ class Test { private $secret = 'Nyy lbhe Onfr ner orybat gb hf.'; private $callback; final public function run() { call_user_func($this->callback); return $this->secret . PHP_EOL; } public function __set($k, $v) { $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // start editing here Class V implements arrayaccess{ protected $array = array( 'arraykey' => 'arraykey2', 'arraykey2' => 'callback', ); function __invoke() { return function(){ $this->secret = "I beat the mammoth!"; }; } function __toString(){ return "arraykey"; } public function offsetSet($offset, $value) { if (is_null($offset)) { $this->array[] = $value; } else { $this->array[$offset] = $value; } } public function offsetExists($offset) { return isset($this->array[$offset]); } public function offsetUnset($offset) { unset($this->array[$offset]); } public function offsetGet($offset) { return isset($this->array[$offset]) ? $this->array[$offset] : null; } } $test->callback = new V; // end editing here echo $test->run();
Output for git.master, git.master_jit
Deprecated: Return type of V::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 67 Deprecated: Return type of V::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 73 Deprecated: Return type of V::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 60 Deprecated: Return type of V::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 70 Fatal error: Uncaught TypeError: Illegal offset type in isset or empty in /in/NVkds:74 Stack trace: #0 /in/NVkds(34): V->offsetGet(Object(V)) #1 /in/NVkds(78): Test->__set('callback', Object(V)) #2 {main} thrown in /in/NVkds on line 74
Process exited with code 255.
Output for rfc.property-hooks
Deprecated: Return type of V::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 67 Deprecated: Return type of V::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 73 Deprecated: Return type of V::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/NVkds on line 60 Deprecated: Return type of V::offsetUnset($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/NVkds on line 70 Fatal error: Uncaught TypeError: Cannot access offset of type object in isset or empty in /in/NVkds:74 Stack trace: #0 /in/NVkds(34): V->offsetGet(Object(V)) #1 /in/NVkds(78): Test->__set('callback', Object(V)) #2 {main} thrown in /in/NVkds on line 74
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
41.42 ms | 402 KiB | 8 Q