Form help: Syntax & Logic
Posted on
16th Feb 2014 07:03 pm by
admin
Hello again all,
I'm working on a form and ran into a wall (again) and can't seem to think through how to best code what i need (the logic side). I've begun by just sitting down and starting to code with the little knowledge i have of php but can't seem to get it right and am not sure i'm using the correct syntax...
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The form is your basic contact form that collects contact information, but it also has a place for customers to input product information such as a quantity and dimensions (width and height). The form offers the visitor a chance to enter up to 7 different "products" and their quantity, width, and height.... here's that part of the form...
Code: <form name="myForm" action="<?php echo $_SERVER['PHP_SELF ']; ?>" method="POST">
<table width="600" cellspacing="2" cellpadding="1">
<tr>
<td>Quantity</td>
<td>Width</td>
<td>height</td>
</tr>
<tr>
<td><input type="text" name="qty1" /></td>
<td><input type="text" name="width1" /></td>
<td><input type="text" name="height1" /></td>
</tr>
<tr>
<td><input type="text" name="qty2" /></td>
<td><input type="text" name="width2" /></td>
<td><input type="text" name="height2" /></td>
</tr>
<tr>
<td><input type="text" name="qty3" /></td>
<td><input type="text" name="width3" /></td>
<td><input type="text" name="height3" /></td>
</tr>
<tr>
<td><input type="text" name="qty4" /></td>
<td><input type="text" name="width4" /></td>
<td><input type="text" name="height4" /></td>
</tr>
<tr>
<td><input type="text" name="qty5" /></td>
<td><input type="text" name="width5" /></td>
<td><input type="text" name="height5" /></td>
</tr>
<tr>
<td><input type="text" name="qty6" /></td>
<td><input type="text" name="width6" /></td>
<td><input type="text" name="height6" /></td>
</tr>
<tr>
<td><input type="text" name="qty7" /></td>
<td><input type="text" name="width7" /></td>
<td><input type="text" name="height7" /></td>
</tr>
</table>
</form>
... pretty simple stuff there...
I am having trouble though collecting the info from the form... the newbie in me (to php and programming in general) had me begin hard coding each variable like this...
Code: $qty1 = $_POST['qty1'];
$qty2 = $_POST['qty2'];
....
$width1 = $_POST['qty1'];
$width2 = $_POST['qty2'];
....
$height1 = $_POST['qty1'];
$height2 = $_POST['qty2'];
....
I thought that it might make more sense (and help me learn a little) to try and use a loop to create these variables.... is this good practice?
Here's what i came up with...
Code: for ($X=1;$X < sizeof($glass1)-1; $X++) {
// how's the syntax on the next line???
if($_POST['Qty'.$X]!=NULL ){
$glasspart1.="Part $Xn";
//below: can i use $qty$X like that?
$glass1 = array("QTY: $qty$X", "DIMENSIONS: $width$X X $height$X");
$glasspart1.= "$glass1[$X-1]n";
}
}
am i on the right track so far?
I still am having trouble validating the form (the logic) in order to only create arrays for the parts (1-7) that were filled in, but i can save that for another post :-)
thanks again all for any help or advice!!
