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run code in 150+ php & hhvm versions
Bugs & Features
<?php exit(255); /*E_ERROR E_CORE_ERROR E_CORE_WARNING E_COMPILE_ERROR E_COMPILE_WARNING*/ function exception_error_handler($errno, $errstr, $errfile, $errline) { var_dump($errstr); } set_error_handler("exception_error_handler", error_reporting()); echo "\n"; echo "Hello World"; echo "\n\n"; var_dump(error_get_last()); //declare(foo='bar');
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0

Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/bOHB7 on line 21
Process exited with code 255.