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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

Deprecated: Implicit conversion from float 7.666666666666667 to int loses precision in /var/www/html/delivery.php on line 61

Fatal error: Uncaught TypeError: Unsupported operand types: string ^ int in /var/www/html/delivery.php:68 Stack trace: #0 {main} thrown in /var/www/html/delivery.php on line 68