3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $x = 42; function __get($name) { $test = new Test2; return $test->$name;} } class Test2 { function __construct($arg) { $this->arg = $arg; } function __get($name) { return $this->arg->$name; } } error_reporting(E_ALL|E_NOTICE| E_STRICT); $test = new Test; var_dump($test->z);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function Test2::__construct(), 0 passed in /in/kDX71 on line 5 and exactly 1 expected in /in/kDX71:10 Stack trace: #0 /in/kDX71(5): Test2->__construct() #1 /in/kDX71(21): Test->__get('z') #2 {main} thrown in /in/kDX71 on line 10
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 1 for Test2::__construct(), called in /in/kDX71 on line 5 and defined in /in/kDX71 on line 10 Notice: Undefined variable: arg in /in/kDX71 on line 11 Notice: Trying to get property of non-object in /in/kDX71 on line 15 NULL
Output for 5.0.0 - 5.0.5
Warning: Missing argument 1 for Test2::__construct() in /in/kDX71 on line 10 Notice: Trying to get property of non-object in /in/kDX71 on line 15 NULL
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/kDX71 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kDX71 on line 3
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/kDX71 on line 3
Process exited with code 255.
preferences:
238.73 ms | 401 KiB | 460 Q