3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php phpversion() >= "7.0.1" or die(); $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; var_dump(@$obj->${data}); echo @$obj->${data[$key]}; // syntax error
based on SPEb4
Output for 7.1.0 - 7.2.0
NULL
Output for 7.0.1 - 7.0.20
NULL Fatal error: Uncaught Error: Cannot access empty property in /in/ALeOO:9 Stack trace: #0 {main} thrown in /in/ALeOO on line 9
Process exited with code 255.
Output for 5.6.8 - 7.0.0
Output for 5.3.21 - 5.5.35
Parse error: syntax error, unexpected '[' in /in/ALeOO on line 9
Process exited with code 255.