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run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 8; $y1 = -~$x * 4; $y2 = ($x + 1) * 4; var_dump($y1,$y2) ; //36,36
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(36) int(36)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/OM79k on line 5
Process exited with code 255.