passing variables in functions

[k_n0t]

Hey there!

I'm trying to verify the data in a form. By doing so I have created a set of functions that verify different parts of the form and if everything is okay it sets $var1="good", $var2="good", $var3="good", respectively. I then created another function that runs these functions and is followed by an if/else.

I can't figure out why after setting the value to $var1,etc. it's not being passed into the following if/else statement.

Here's the code, I used:

function check_form_process( // A bunch of variables from the form )
{
check_u_name( $var1, etc. );
check_pass($var2, etc. );
check_form($var3, etc. );
if (($var1 == "good") && ($var2 == "good") && ($var3 == "good")) :
add_reg( // Variables to add insert into database );
else :
input_reg( // variables to be sent back to the form );
endif;
}

Everything works fine execpt when the user would add all the information correctly 🙂 lol. I tried to echo the variables after the three functions were ran, but the variables were empty. Please help, what the heck am i doing wrong?

[amcgrath]

Aren't you meaning to do this:

function check_form_process
{
$var1 = check_u_name($whatever);
$var2 = check_pass($whatever);
$var3 = check_form($whatever);
if (($var1 == "good") && ($var2 == "good") && ($var3 == "good")) :
add_reg( // Variables to add insert into database );
else :
input_reg( // variables to be sent back to the form );
endif;
}

[k_n0t]

I tried that, but it didn't work. When I echo those variables it comes up null. The three intial functions with an if/else statement is set up kind of like this:function check_u_name( // variables from form and database connection )
{
$sql_cun = ("SELECT statement WHERE u_name='$u_name' ");
$sql_cun_result = mysql_query($sql_cun, $connection)
or die ("Couldn't execute query.<br>".mysql_error() );
$cun = mysql_num_rows($sql_cun_result);
if ($cun > '0')
{ print "<p class=\"m\">Sorry, but your username has already been taken, please choose another one.</p>"; }
else
{ $var1 = "good"; }
}

I want the $var1 to be then passed to the main if/else in the previous code.

[amcgrath]

Are you returning the value, ie return $var1?

[k_n0t]

You are a saint. Thanks for the help. Works perfectly. I didn't even think of it.

[amcgrath]

Just to put a final point to the lesson, keep in mind that a function normally returns something (whether its a value or an aray, etc).