3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b ->$a = 'foo'; var_export($b->$a);
based on WYeSE
Output for 5.4.0 - 7.2.0
Warning: Creating default object from empty value in /in/A13am on line 3 'foo'
Output for 5.0.0 - 5.3.29
Strict Standards: Creating default object from empty value in /in/A13am on line 3 'foo'
Output for 4.3.0 - 4.4.9
'foo'