<?php require 'CashMachine.php'; $teste = new CashMachine(); $result_0 = $teste->execute(30.0); $result_1 = $teste->execute(80.0); $result_2 = $teste->execute(125.0); $result_3 = $teste->execute(-130.0); $result_4 = $teste->execute(NULL); ?> <!DOCTYPE HTML> <html> <head></head> <body> <h1>Group By Interval</h1> <p class="input_0"><?php echo $result_0; ?> </p> <p class="input_1"><?php echo $result_1; ?> </p> <p class="input_2"><?php echo $result_2; ?> </p> <p class="input_3"><?php echo $result_3; ?>