3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo($var) { return &$var; } $b = foo(5); // $a est "créée" et assignée à NULL // $b = array(); // foo($b['b']); // var_dump(array_key_exists('b', $b)); // bool(true) // $c = new StdClass; // foo($c->d); // var_dump(property_exists($c, 'd')); // bool(true)
based on u0DL1
Output for 7.0.0 - 7.1.6
Parse error: syntax error, unexpected '&', expecting ';' in /in/R5IJc on line 4
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected '&' in /in/R5IJc:4 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '&' in /in/R5IJc on line 4
Process exited with code 255.