Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/greg/learnmeabitcoin/src/explorer/Tx.php:348 Stack trace: #0 /home/greg/learnmeabitcoin/explorer/tx/index.php(38): Explorer\Tx->__construct() #1 {main} thrown in /home/greg/learnmeabitcoin/src/explorer/Tx.php on line 348