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run code in 150+ php & hhvm versions
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<?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 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])]; // $v is some kind of weird array var_dump($v());die; $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // start editing here class A implements ArrayAccess { private $callCount = 0; public function __invoke($name, $args){ echo "WOOO";die; } public function offsetSet($offset, $value) {} public function offsetExists($offset) { return true; } public function offsetUnset($offset) {} public function offsetGet($offset) { $this->callCount++; if ($this->callCount == 1){ $r = $this; } else { $r = "FOO"; } return $r; } } $test->foo = new A; // end editing here echo $test->run();
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function A::__invoke(), 0 passed in /in/heD1u on line 34 and exactly 2 expected in /in/heD1u:51 Stack trace: #0 /in/heD1u(34): A->__invoke() #1 /in/heD1u(77): Test->__set('foo', Object(A)) #2 {main} thrown in /in/heD1u on line 51
Process exited with code 255.
Output for 5.3.0 - 7.0.14
Warning: Missing argument 1 for A::__invoke(), called in /in/heD1u on line 34 and defined in /in/heD1u on line 51 Warning: Missing argument 2 for A::__invoke(), called in /in/heD1u on line 34 and defined in /in/heD1u on line 51 WOOO
Output for 5.0.0 - 5.2.17
Fatal error: Function name must be a string in /in/heD1u on line 34
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/heD1u on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/heD1u on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/heD1u on line 21
Process exited with code 255.