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Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/delivery.php on line 61

Fatal error: Uncaught TypeError: gmmktime(): Argument #1 ($hour) must be of type int, string given in /var/www/html/delivery.php:99 Stack trace: #0 /var/www/html/delivery.php(99): gmmktime('', '', 0, '', '', '') #1 {main} thrown in /var/www/html/delivery.php on line 99