Warning: include(f-auth.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\spmj\cal_1.php on line 1

Warning: include(): Failed opening 'f-auth.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\spmj\cal_1.php on line 1

Warning: include(p_header.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\spmj\cal_1.php on line 16

Warning: include(): Failed opening 'p_header.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\spmj\cal_1.php on line 16

Fatal error: Uncaught Error: Call to undefined function mysql_db_query() in C:\xampp\htdocs\spmj\cal_1.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\spmj\cal_1.php on line 19