So, now I've been trying to learn If, elseif and else statements properly. And I'm doing something wrong. 
A guy told me his website would email specific people based on what zipcode they put in the contact form on his site. I was wondering how he did it, so I tried to recreate something similar.
Here is what I've done:
1. I created a file called zipcodes.php
2. In this file it has set every zipcode to a variable. For instance:
<?php
$Nashville=("37010" or "37027" or "37040" or "37055" or "37152");
?>
3. I created a form with a field called 'zip'.
4. I created a php file called phpmail.php to send this form.
5. Right now, the top of this file looks like this:
<?php
include("zipcodes.php");
$zip=$_POST["zip"];
//NASHVILLE//
if ($zip==$Nashville)
$my_email = "email1@mysite.com";
//Knoxville//
if ($zip==$Knoxville)
$my_email = "email2@mysite.com";
//Huntsville//
if ($zip==$Huntsville)
$my_email = "email3@mysite.com";
...etc.
This doesn't work. It sends them all to the last option which is texas or email15@mysite.com
Before I had the first if set to if and all the others set to elseif
But that didn't work. It sent all the emails to Nashville email I made.
If statements must work though in this way. Because if I have this:
if ($zip==$Nashville)
$my_email = "email1@mysite.com";
//Anything Else//
else $my_email = "hippityhoppity@live.com";
It works. Meaning if a zipcode is in Nashville it goes to one email - and if it isn't in Nashville - it goes to hippityhoppity.
Am I not getting something about all of this? Thanks!
1 Correct answer
Arrays are useful in these type of situations:
$nashville = Array("37010","37027","37040","37055","37152");
$knoxville = Array("32010","32027","32040","32055","32152");
$huntsville = Array("47010","47027","47040","47055","47152");
if(in_array($zip, $nashville)) {
$my_email = "......";
} elseif(in_array($zip, $knoxville) {
$my_email = "......";
} else {
$my_email = "....";
But if you have a lot of locations and zip codes to compare, I would suggest you to use a database like MySQL.
8
Replies
Using the brackets doesn't work either. All of this goes to the first email. It doesn't make sense. This is exactly what this php book says needs to be done. 
<?php
include("zipcodes.php");
$zip=$_POST["zip"];
if ($zip==$Nashville){
$my_email = "nashville@mysite.com";
} elseif ($zip==$Knoxville){
$my_email = "knoxville@mysite.com";
} elseif ($zip==$Huntsville){
$my_email = "huntsville@mysite.com";
} elseif ($zip==$Florida){
$my_email = "florida@mysite.com";
} elseif ($zip==$Georgia){
$my_email = "georgia@mysite.com";
} elseif ($zip==$SouthCarolina){
$my_email = "scarolina@mysite.com";
} elseif ($zip==$NorthCarolina){
$my_email = "ncarolina@mysite.com";
} elseif ($zip==$Pennsylvania){
$my_email = "penn@mysite.com";
} elseif ($zip==$Maryland){
$my_email = "maryland@mysite.com";
} elseif ($zip==$Virginia){
$my_email = "virginia@mysite.com";
} elseif ($zip==$Texas){
$my_email = "texas@mysite.com";
} else { $my_email = "hippityhoppity43204@live.com";
}
Yeah! Exactly same time to the minute, what a coincidence! 
As for using a database, it all depends how many zip codes you have to compare, If you are talking about tens of thousands of zip codes from hundreds of cities all over the country, then yes a database will be faster.
What is your emailing script like?
Appending the email addresses like that will result a corrupt address like: nashville@mysite.comnashville2@mysite.com
It all depends how is your emailing scripts excepts data.
Edit: I hate Adobe for using this stupid forum software. It puts links automatically and won't allow me to write in a plain text! 
Ok, after trying 3,894 different ideas, I solved the issue. In case any crazy person like me wants to ever do this, I'll post my solution.
In zipcodes.php, I have arrays for each place. E.g.:
<?php
$Nashville = array (37010, 37027);
?>
<?php
$Knoxville=array(37354, 37709, 37717);
?>
<?php
$Huntsville=array(35019, 35179, 35612);
?>
Then in my phpmail.php file (the thing that processes the email) I have this:
<?php
include("zipcodes.php");
$zip=$_POST["zip"];
if (in_array($zip, $Nashville)) {
$my_email = "nashville@mysite.com";
}elseif (in_array($zip, $Knoxville)) {
$my_email = "Knoxville@mysite.com";
}elseif (in_array($zip, $Huntsville)) {
$my_email = "Huntsville@mysite.com";
} else { $my_email = "hippityhoppity@mysite.com";
}
And it works! 
And if there zipcode isn't in one of the arrays, it goes to the email used in the else statement. : ) : ) : )
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