This game is racing to fill the empty input in PHP functions. Please careful at disables an IME when playing.
For example, please enter "reduce" or "filter" when showing "array_[_][_][_][_][_][_]".
Move to next question when your input is correcting but if incorrect your input, erasing field and restarted to input.
Each questions are having limited times（Easy=fixed 16 sec, Hard=decreasing from 16 sec, Crazy=decreasing from 8 sec）, and add additional times according to input forms.
Move to next input when you input a character, and to empty previous input when entering a Backspace key or Delete key.
Your score increase by chosen more hard mode and going to next game. Just share your score on Twitter!