Development help

[ripkk2tfk]

Ok so whenever I code something I tend to do things the looong way.I was hoping someone here could help me shorten thing out. For example I would type:
if(empty($username)) {
die("please enter a username");
}
And I would repeat this several times just to make sure that the form was filled in. What is the correct way to do this? This is just one of the examples. Thanks for your help

[kevk3v]

do it like this

if($username=="") {
echo "please enter a username";
exit();
} 

that way the rest of your script will stop executing or u can just add the exit function to the script u posted

[ripkk2tfk]

Thanks Kev but how can I check username, password etc all at once.

[i0nutzxp]

if(empty($username)||empty($pass)||empty($sex)) {
die("wtf");
}

[wapfuture]

or try this


if (check_blank($username)) { die(); // the field was left blank. }

[kevk3v]

you can use what i0nutzxp posted to check all at once

[ripkk2tfk]

Ok thanks very much for the help guys. ;)
Oh and btw if any one does decide to use:

if($username=="") {
echo "please enter a username";
exit();
} 

Make sure you use the ltrim and rtrim or else users can create a blank username with whitespace.

[ripkk2tfk]

Whats wrong with this?

if (strlen($username > 10)) {
die ("Username to big");
} 

If I make the length of the username bigger than 10 it does not show an error. Can someone please help me.

[GiLL]

try like this

$username = mysql_real_escape_string($_POST['username']);

if(strlen($username) > 10)){
        echo "username is too long!";
}
 
$db->query('SELECT * FROM users WHERE username="'.$username.'"');
if($db->num_rows()){
        echo "username is already in use";
}


also  you  can  use  this   one 
if(strlen($username)<3){
        echo "username is too short!";
} 

[kevk3v]

You are doing something wrong it should be like this

if( strlen($username) < 10 ) { die ("Username to big"); } 

[ripkk2tfk]

Yes thanks guys its working now.