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Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /home/www/admin.teacherjohn.org/attendance/pioMonthlyAttendanceQueryv2.php on line 77

Fatal error: Uncaught TypeError: cal_days_in_month(): Argument #2 ($month) must be of type int, string given in /home/www/admin.teacherjohn.org/attendance/pioMonthlyAttendanceQueryv2.php:80 Stack trace: #0 /home/www/admin.teacherjohn.org/attendance/pioMonthlyAttendanceQueryv2.php(80): cal_days_in_month(0, '', '') #1 {main} thrown in /home/www/admin.teacherjohn.org/attendance/pioMonthlyAttendanceQueryv2.php on line 80