web form help

[sethupathy]

Hi guys

 

i have a really long web form to make (its made) i am having problem with validation.

what i would like to do is to put an * asterix at the end on the line of all unanswered questions

 

can someone help

 

i have seen this on other web form someone help

 

thanks

[cooldude832]

this sounds more like an application for javascript, however the best idea to handle this in php would be to initialze a testing scheme using regex pre loading the body.  Place it in a function like this

Function testvars
{
//Testing vars
if (allpass)
{$returnvar = "yes";}
{else $returnvar = "no";}
return $returnvar;
}
$test = testvars();
if ($test == "yes")
{
header(location:process.php)
}
else
{//Load error box and set astriks}

[teng84]

if you can have those data that the user input then its not gonna be the prob but if it is its still a long journey

 

any way your are what trying to say is upon submitting an u use php self

 

====

check all the data that is submitted and try the if condition

 

 

<?if (!isset($_POST['your variable here'])) echo "*";?>  <input name="" type="text" />

 

hope that helps

 

 

 

 

[hackerkts]

<?php
function check($form_name) {
if ($_POST['submit']) {
    	if (empty($_POST[$form_name])) {
        	echo '*';
        }
    }
}
?>

<form method="POST" action="<?=$_SERVER['PHP_SELF'];?>">
  <input type="text" name="T1" size="20"><? check("T1"); ?><br>
  <input type="text" name="T2" size="20"><? check("T2"); ?><br>
  <input type="text" name="T3" size="20"><? check("T3"); ?><br>
  <input type="submit" value="Submit" name="submit">
</form>

 

Hope this helps..

[cooldude832]

is empty the new !ISSET? which is better?

[hackerkts]

I don't think there's any different between it,

empty means no variable pass on, and !isset mean the same thing.

 

I prefer

$_POST['form_name'] == ''

same my time typing.

[benjaminbeazy]

empty means variable is empty... the integer 0 is considered empty, as is "0" in a string

 

isset checks if variable exists, including the values above

 

$_POST['form_name'] == ''

 

the problem with that is the user could still supply irrelevant information and pass that check, ie whitespace or any number of other things.

[teng84]

<?php

$var = 0;

 

// Evaluates to true because $var is empty

if (empty($var)) {

    echo '$var is either 0, empty, or not set at all';

}

 

// Evaluates as true because $var is set

if (isset($var)) {

    echo '$var is set even though it is empty';

}

?>

[cooldude832]

just wondering because i had a talk with someone about php optimization and we aruged between echoes and switches from an optimization standpoint