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"; // the bad: try { echo $obj->${data[$key]}; // syntax error } catch (Error $e){ echo $e->getMessage(),"\n"; } /* PHP 7.0.1+ Notice: Use of undefined constant data - assumed 'data' in /in/qa1C0 on line 11 Warning: Illegal string offset 'foo' in /in/qa1C0 on line 11 Notice: Undefined variable: d in /in/qa1C0 on line 11 Cannot access empty property */
based on qa1C0
Output for 7.2.0
Warning: Use of undefined constant data - assumed 'data' (this will throw an Error in a future version of PHP) in /in/1EFst on line 11 Warning: Illegal string offset 'foo' in /in/1EFst on line 11 Notice: Undefined variable: d in /in/1EFst on line 11 Notice: Undefined property: stdClass::$ in /in/1EFst on line 11
Output for 7.1.0 - 7.1.10
Notice: Use of undefined constant data - assumed 'data' in /in/1EFst on line 11 Warning: Illegal string offset 'foo' in /in/1EFst on line 11 Notice: Undefined variable: d in /in/1EFst on line 11 Notice: Undefined property: stdClass::$ in /in/1EFst on line 11
Output for 7.0.1 - 7.0.20
Notice: Use of undefined constant data - assumed 'data' in /in/1EFst on line 11 Warning: Illegal string offset 'foo' in /in/1EFst on line 11 Notice: Undefined variable: d in /in/1EFst on line 11 Cannot access empty property
Output for 5.6.8 - 7.0.0
Output for 5.3.21 - 5.5.35
Parse error: syntax error, unexpected '[' in /in/1EFst on line 11
Process exited with code 255.