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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( debug_backtrace( false ) );
based on keccR
Output for 5.2.5 - 7.2.6
array(0) { }
Output for 4.3.0 - 5.2.4
Warning: Wrong parameter count for debug_backtrace() in /in/LFXJJ on line 4 NULL