3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait T { private $a = 1; public function t() { var_dump($this->a); var_dump(get_object_vars($this)); } } class A { use T; } //$a = new A(); //$a->t(); foreach ($a as $key => $field) { var_dump($key, $field); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $a in /in/EiTYK on line 20 Warning: foreach() argument must be of type array|object, null given in /in/EiTYK on line 20
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: a in /in/EiTYK on line 20 Warning: Invalid argument supplied for foreach() in /in/EiTYK on line 20
Output for 7.3.32 - 7.3.33
Warning: Invalid argument supplied for foreach() in /in/EiTYK on line 20
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/EiTYK 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/EiTYK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EiTYK on line 3
Process exited with code 255.

preferences:
264.31 ms | 401 KiB | 329 Q