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String to Integer issue in php

Hi
I'm having trouble with retrieving a couple variables appended to a url and dividing them and assigning the result to a new variable. I suspect it has something to do with them possibly being strings as opposed to integers so the math is returning 0 for a value. But I could be absolutely wrong.

Below is the pertinent code.

When dividing expenses by income the value for $tdsr keeps appearing as '0'

Any ideas?
<?php
header("content-type: text/xml");
echo  "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";

$recording = $_REQUEST['recording'];
$numbertocall = $_REQUEST['numbertocall'];
$income = $_REQUEST['income'];
$expenses = $_REQUEST['expenses'];

$tdsr = $expenses/$income;


?>

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tjyoung
Asked:
tjyoung
  • 3
1 Solution
 
brendanmeyerCommented:
have a look at http://www.php.net/manual/en/function.intval.php


$income = intval ($_REQUEST['income']);
$expenses = intval ($_REQUEST['expenses']);
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tjyoungAuthor Commented:
Hi, I did try that but I suspect my implementation must be wrong. Below is a more comprehensive view of the code I'm using with intval in.

Do you see what I'm doing wrong? It may be something very newbie...

Its mixed in with some Twilio code. All works except the value of $tdsr is '0'.
<?php
header("content-type: text/xml");
echo  "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";

$recording = $_REQUEST['recording'];
$numbertocall = $_REQUEST['numbertocall'];
$income = intval($_REQUEST['income']);
$expenses = intval($_REQUEST['expenses']);

$tdsr = $expenses/$income;


?>

<Response>

<?php
if ($_REQUEST['Digits']=="1"){

	$approvalID = mt_rand(301, 9950);
	$approvalSlow = wordwrap($approvalID,1,",",TRUE);


	if ($tdsr >= 70) { ?>
		<Say>This is hopeless</Say>
	
	<?php } elseif ($tdsr >= 60 && $tdsr < 70) { ?>
		<Say>You're application requires a few additional questions to be pre-approved</Say>
		<Say>Our Dealership will contact you so we can gather some additional information to get your application approved.</Say>
	
	<?php } elseif ($tdsr < 60) {?>
		<Say> Congratulations, you are Pre-Approved!</Say>
		<Say> Your Approval ID is <?php echo $approvalSlow ?></Say>
		<Say> Please make a note of your Pre-Approval ID </Say>
		<Say> That number again is <?php echo $approvalSlow ?></Say>
		<Say> Your total debt service ratio is <?php echo $tdsr ?></Say>
	<?php
	
	$email = "email@email.com";
	$subject = "New 5 Second Phone Credit App! Approval ID: ". $approvalID;
	$body .= "The Caller's recorded name is:";
	$body .= $_REQUEST['recording'].".mp3\n\n";
	$body .= "The Caller's reverse lookup name if available was: ${_REQUEST['CallerName']}\n\n";
	$body .= "The Caller's preferred phone number is: ${_REQUEST['numbertocall']}\n\n";
	$body .= "The Caller's display phone number is: ${_REQUEST['From']}\n\n";
	$body .= "The Caller is in: ${_REQUEST['CallerCity']}\n\n";
	$body .= "The Caller's TDSR: ". $tdsr."\n\n";

    
	$headers = 'From: me@me.com' . "\r\n";
	$headers .= 'Reply-To: me@me.com' . "\r\n";
	$headers .= 'X-Mailer: Twilio';

	mail ($email, $subject, $body, $headers);
	}
	?>

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tjyoungAuthor Commented:
Your answer was correct. I was implementing it incorrectly initially.
thanks!
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MatthewPCommented:
I can't see what's wrong with that and you shouldn't even need intval. Have you checked the raw values as they come into the script before you've touched them?

Just add

var_dump($_REQUEST);

to the top of your script for a quick way to check this out.
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tjyoungAuthor Commented:
Thanks. That was my issue. I marked your answer as correct simply because had I actually had the 'correct problem' your response was right.
var_dump is good to know as well.

Thanks again.
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