create session with recordset stored in array - php

Question

How can I take a recordset, store it in an array and then make that array the value of a session? Here is the code I came up with (with answers below integrated):
$colname_getAC = "-1";
if (isset($_GET['tech_id'])) {
$colname_getAC = $_GET['tech_id'];
}
mysql_select_db($database_localhost, $localhost);
$query_getAC = sprintf("SELECT area_code, tech_id FROM zip_zip WHERE tech_id = %s", GetSQLValueString($colname_getAC, "int"));
$getAC = mysql_query($query_getAC, $localhost) or die(mysql_error());
$row_getAC = mysql_fetch_assoc($getAC);
$totalRows_getAC = mysql_num_rows($getAC);
session_start();
// store session data
$_SESSION['area_code']= array();
while ($row_getAC = mysql_fetch_assoc($getAC)) {
$_SESSION['area_code'][] = $row_getAC['area_code'];
}
This just returns "array" though and not the area codes when I call the session.
On the session, I tried this also:
$_SESSION['area_code']= $results[];
But that just made the page stop dead in its tracks with a blank screen.
The reason for this is that I want to insert the values in this session on a different page.

Answer 1

You have it stored as an array, you can see it here:
var_dump($_SESSION['area_code']);
I really dont understand, what exactly you want.
Also this is wrong $_SESSION['area_code']= $results[];
EDITED:
Change your code to:
$colname_getAC = "-1";
if (isset($_GET['tech_id'])) {
$colname_getAC = $_GET['tech_id'];
}
mysql_select_db($database_localhost, $localhost);
$query_getAC = sprintf("SELECT area_code, tech_id FROM zip_zip WHERE tech_id = %s", GetSQLValueString($colname_getAC, "int"));
$getAC = mysql_query($query_getAC, $localhost) or die(mysql_error());
$totalRows_getAC = mysql_num_rows($getAC);
session_start();
// store session data
$_SESSION['area_code']= array();
while ($row_getAC = mysql_fetch_assoc($getAC)) {
$_SESSION['area_code'][] = $row_getAC['area_code'];
}

Answer 2

First - you must change your logic:
From this:
$results = array();
do {
$results[] = $row_getAC['area_code'];
} while ($row_getAC = mysql_fetch_assoc($getAC));
$_SESSION['area_code']= $results;
to this:
$results = array();
while ($row_getAC = mysql_fetch_assoc($getAC))
{
$results[] = $row_getAC['area_code'];
}
$_SESSION['area_code']= $results;
I've just tested - PHP has no trouble storing arrays as session variables and they are available on other pages.
BTW - you used session_start() right?
Update:
do{...}while always executes at least once as checks condition at the end
while{...} exactly the opposite (checks condition before executing code inside code block
You must use the latter here since (for example) your SQL query may return empty result (no records) so you should not execute code within while block since there is no data to get.