Re: [PHP] Making variables with an iteration? STILL
Hello Robert,
Monday, December 6, 2004, 3:55:21 PM, you wrote:
RS snip
RS ?php
RS for ($i=1; $i10; $i++)
RS {
RS if (isset ($_POST['choice'.$i]))
RS {
RSfor ($j=1; $j5; $j++)
RS{
RS $tempChoice = choice . $j;
RS $$tempChoice = $_POST['choice'.$i];
RS}
RS }
RS }
RSecho $choice1;
RSecho $choice2;
RSecho $choice3;
RSecho $choice4;
?
RS /snip
RS The problem seems to be that it is only doing this on the last one, no
matter
RS which one it is... I know it is in the iterations, but I can't place my
finger
RS on where I need to change things up.
Why not just use extract() on the $_POST values with a pre-defined
list of variables and use the EXTR_IF_EXISTS option to make it more
secure?
Best regards,
Richard Davey
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RE: [PHP] Making variables with an iteration? STILL
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On 06 December 2004 15:55, Robert Sossomon wrote:
Here's the full code and the driving page:
http://rsossam-lap.ces.ncsu.edu/leadership/test.html
snip
?php
for ($i=1; $i10; $i++)
{
if (isset ($_POST['choice'.$i]))
{
for ($j=1; $j5; $j++)
{
$tempChoice = choice . $j;
$$tempChoice = $_POST['choice'.$i];
}
}
}
echo $choice1;
echo $choice2;
echo $choice3;
echo $choice4;
/snip
You've got too many iterators in there.
With $i=1, if $_POST['choice1'] is set: you set $choice1 to the value of
$_POST['choice1'].
With $i=2, if $_POST['choice2'] is set: you set $choice1 to the value of
$_POST['choice2'], then you set $choice2 to the value of $_POST['choice2'].
With $i=3, if $_POST['choice3'] is set: you set $choice1 to the value of
$_POST['choice3'], then you set $choice2 to the value of $_POST['choice3'],
then you set $choice3 to the value of $_POST['choice3'].
Etc.
Within your PHP script, I'd strongly recommend using an array, even if you
don't name your HTML form variables as array elements (which is actually
very easy, despite what a lot of people seem to think). Then your code just
needs to look like this:
for ($i=1; $i10; $i++)
{
if (isset($_POST['choice'.$i]))
{
$choice[$i] = $_POST['choice'.$i];
}
}
foreach ($choice as $one_choice)
{
echo $one_choice;
}
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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Re: [PHP] Making variables with an iteration? STILL
I think you can use the export() function for that..
Here's the full code and the driving page:
http://rsossam-lap.ces.ncsu.edu/leadership/test.html
snip
?php
for ($i=1; $i10; $i++)
{
if (isset ($_POST['choice'.$i]))
{
for ($j=1; $j5; $j++)
{
$tempChoice = choice . $j;
$$tempChoice = $_POST['choice'.$i];
}
}
}
echo $choice1;
echo $choice2;
echo $choice3;
echo $choice4;
?
/snip
The problem seems to be that it is only doing this on the last one, no
matter which one it is... I know it is in the iterations, but I can't
place my finger on where I need to change things up.
--
Robert Sossomon, Business and Technology Application Technician
4-H Youth Development Department
200 Ricks Hall, Campus Box 7606
N.C. State University
Raleigh NC 27695-7606
Phone: 919/515-8474
Fax: 919/515-7812
[EMAIL PROTECTED]
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Re: [PHP] Making variables with an iteration? STILL
Thomas Munz wrote:
I think you can use the export() function for that..
He probably means http://php.net/extract but that defeats the purpose of
turning register_globals OFF and is BAD SECURITY.
Here's the full code and the driving page:
http://rsossam-lap.ces.ncsu.edu/leadership/test.html
snip
?php
for ($i=1; $i10; $i++)
{
if (isset ($_POST['choice'.$i]))
{
for ($j=1; $j5; $j++)
{
$tempChoice = choice . $j;
$$tempChoice = $_POST['choice'.$i];
}
}
}
Work out what this does by hand, step by step:
$i $j
1 1 $tempChoice = 'choice1'; $choice1 = $_POST['choice1'];
1 2 $tempChoice = 'choice2'; $choice2 = $_POST['choice1'];
1 3 $tempChoice = 'choice3'; $choice3 = $_POST['choice1'];
1 4 $tempChoice = 'choice4'; $choice4 = $_POST['choice1'];
1 5 $tempChoice = 'choice5'; $choice5 = $_POST['choice1'];
2 1 $tempChoice = 'choice1'; $choice1 = $_POST['choice2'];
2 2 $tempChoice = 'choice2'; $choice2 = $_POST['choice2'];
2 3 $tempChoice = 'choice3'; $choice3 = $_POST['choice2'];
2 4 $tempChoice = 'choice4'; $choice4 = $_POST['choice2'];
2 5 $tempChoice = 'choice5'; $choice5 = $_POST['choice2'];
.
.
.
Is that what you want?
echo $choice1;
echo $choice2;
echo $choice3;
echo $choice4;
?
/snip
The problem seems to be that it is only doing this on the last one, no
matter which one it is... I know it is in the iterations, but I can't
place my finger on where I need to change things up.
--
Robert Sossomon, Business and Technology Application Technician
4-H Youth Development Department
200 Ricks Hall, Campus Box 7606
N.C. State University
Raleigh NC 27695-7606
Phone: 919/515-8474
Fax: 919/515-7812
[EMAIL PROTECTED]
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