3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function isCorrect($string) { $string{strlen($string)-1}; } $string = '()'; var_dump(strlen($string)); //assert(isCorrect('') === true); //assert(isCorrect('()') === true); //assert(isCorrect('{()}') === true); //assert(isCorrect('{()}{}') === true); //assert(isCorrect('(())') === true); //assert(isCorrect('{({({({()})})})}') === true); //assert(isCorrect('{(})') === false);
based on 43l4J
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
int(2)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/81Dij on line 13
Process exited with code 255.