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run code in 200+ php & hhvm versions
Bugs & Features
<?php uopz_undefine('true'); define('true', false);
based on oUd3M
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function uopz_undefine() in /in/SOt8F:2 Stack trace: #0 {main} thrown in /in/SOt8F on line 2
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined function uopz_undefine() in /in/SOt8F on line 2
Process exited with code 255.