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Codin

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  1. My question is this is not working can anyone see where the mistake is I am not getting any errors but it does not echo out the results. Thanks
  2. I am trying to build a calculator in PHP which uses a certain formula to come up with the results. I have a form which collects the numbers and then posts to a calc.php page which calculates the answer. Here is my HTML code <!DOCTYPE html > <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Calculator</title> </head> <body> <form action="calc.php" method="POST"> <input type="text" name="num1"> <input type="text" name="num2"> <input type="text" name="num3"> <input type="submit" value="Calculate"> <?php echo form_close();?> </form> </body> </html> Here is my PHP but I just am missing something. <?php function calculate($num1, $num2, $num3) { $data = array() ; $data['c'] = $num1 / 50; $data['b'] = $num2 / 12; $data['s'] = $num3 / 5; $data['p'] = $data['c'] + $data['b'] - $data['s']; if($data['s'] > 4) { $data['s']= 4; } return $data ; } if (isset($_REQUEST['value'])) //Additional checks should be done tho. { $num1 = $_REQUEST["num1"]; $num2 = $_REQUEST["num2"]; $num3 = $_REQUEST["num3"]; $data = calculate($num1, $num2, $num3) ; echo "{$data['c']} + {$data['b']} - {$data['s']} = {$data['p']}" ; } Thank you for all help in advance
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