被写界深度 計算
Fatal error: Uncaught TypeError: Unsupported operand types: string * string in /home/ohanasiya-corp/www/ohanasiya_test/fielddepth/index.php:63
Stack trace:
#0 {main}
thrown in /home/ohanasiya-corp/www/ohanasiya_test/fielddepth/index.php on line 63