query string or post .. help

benyamin

ussually in asp if i want to .. example : request("name") and variabel //name// doesn't exis it not make any error. but why in php it make error like :
Warning: Undefined index: tes in c:\inetpub\wwwroot\samp.php on line 27

becouse in some cases the request (//$HTTP_POST_VARS['varname'] or GET...//) is in same page. and of course in the beginning that the varname not have any value.

do you can help me to solf this case?

Anon

Not sure what youre looking for here. Is it:

if (empty($variable)) { do stuff }

if (isset($variable) && $variable != "") { do stuff }

benyamin

thank you again Thomasson for the first and for this.. i will try.
for redirect it's already fix and i thank you for you to teach me the script.

i allready try , like :

the result is always 'nothing' and when i try with empty the result always 'First'.
it's supose to be like .. for first open it will print 'nothing' and when i click it will 'First'

Dont be bored with me..

sgbalsekar

hi,

check if this is what u need...well if not, please elborate further...

<head>
</head>
<body>
<form method="post" action="<?php echo $PHP_SELF; ?>" method=POST>
<input type="text" size="20" name="input">
<input type="submit" name="tes" value="teskesatu">
</form>
<?php
// $PHP_SELF is a PHP variable that is abs.name of the file itself
echo $HTTP_POST_VARS['tes'];
//first time it will echo nothing..next time it echos First..

if (empty($HTTP_POST_VARS['tes'])){
echo "nothing";
//this part is echoed when it is loading for the first time...
}
if($HTTP_POST_VARS['tes']=='teskesatu'){
echo "First";
//this part when the form is posted
}
?>
</body>

regs,
sgb.

mrjam

Id personally use it like this tho:

But thats me =)

// Thomasson

benyamin

thank you..
Thomasson
thank you..
Sachin Balsekar

i understand, and i will practice...