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run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); var_dump(debug_backtrace(true));
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: debug_backtrace() expects parameter 1 to be integer, boolean given in /in/BfEsC:3 Stack trace: #0 /in/BfEsC(3): debug_backtrace(true) #1 {main} thrown in /in/BfEsC on line 3
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/BfEsC on line 1 array(0) { }