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run code in 200+ php & hhvm versions
Bugs & Features
<?php $red = 'red'; echo !!$red; echo !$red; echo (bool) $red; echo (string) true; echo (string) (bool) $red; // 1
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
1111
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/oHv9h on line 7
Process exited with code 255.