So, i have been trying to display menu name from my cms database i created myself, i got it displayed perfectly but there is a really wired error, i spent many hours to discover the solution but i couldn't.
The problem is i want to display the menu name as page h1 so whenver you click on the menu name its also displaying as h1 title.
The menu name is displaying correctly, but the sub menu(pages) display N instead of the page name, i dont know where is that N is comming from.
NOTE: there is no problem with database connection or retrieving data.
any help would be appreciated!
This is my content page code:
<?php include("includes/header.php"); ?>
<?php require_once 'includes/db_connection.php'; ?>
<?php require_once 'includes/b_functions.php'; ?>
<?php require_once 'includes/cms_constants.php'; ?>
<?php db_connect();?>
<?php
if (isset ( $_GET ['subj'] )) {
$sel_subject = get_subject_by_id ( $_GET ['subj'] );
$sel_page = "NULL";
} elseif (isset ( $_GET ['pages'] )) {
$sel_subject = "NULL";
$sel_page = get_page_by_id ( $_GET ['pages'] );
} else {
$sel_subject = "NULL";
$sel_page = "NULL";
}
?>
<table id="structure">
<tr>
<td id="navigation">
<ul class="subjects">
<?php
$subject_set = get_all_subjects();
while ($subject = mysql_fetch_array($subject_set)) {
echo "<li";
if ($subject["id"] == $sel_subject["id"]) { echo " class=\"selected\""; }
echo "><a href=\"contents.php?subj=" . urlencode($subject["id"]) .
"\">{$subject["menu_name"]}</a></li>";
$page_set = get_pages_for_subject($subject["id"]);
echo "<ul class=\"pages\">";
while ($page = mysql_fetch_array($page_set)) {
echo "<li";
if ($page["id"] == $sel_page["id"]) { echo " class=\"selected\""; }
echo "><a href=\"contents.php?pages=" . urlencode($page["id"]) .
"\">{$page["menu_name"]}</a></li>";
}
echo "</ul>";
}
?>
</ul>
</td>
<td id="page">
<?php if (!is_null($sel_subject)) { // subject selected ?>
<h2><?php echo $sel_subject['menu_name']; ?></h2>
<?php } elseif (!is_null($sel_page)) { // page selected ?>
<h2><?php echo $sel_page['menu_name']; ?></h2>
<div class="page-content">
<?php //echo $sel_page['content']; ?>
</div>
<?php } else { // nothing selected ?>
<h2>Select a subject or page to edit</h2>
<?php } ?> </td>
</tr>
</table>
<?php require_once 'includes/footer.php';?>
function code:
<?php
function confirm_query($result_set) {
if (! $result_set) {
die ( "Database query failed: " . mysql_error () );
}
}
function get_all_subjects() {
global $connection;
$query = "SELECT *";
$query .= " FROM subjects";
$query .= " ORDER BY POSITION ASC";
$subject_set = mysql_query ( $query );
confirm_query ( $subject_set );
return $subject_set;
}
function get_pages_for_subject($subject_id) {
// global $connection;
$query = "SELECT * ";
$query .= " FROM pages";
$query .= " WHERE subject_id=" . "{$subject_id}" . " ";
$query .= " ORDER BY POSITION ASC";
$page_set = mysql_query ( $query );
confirm_query ( $page_set );
return $page_set;
}
function get_subject_by_id($subject_id) {
// global $connection;
$query = "SELECT * ";
$query .= " FROM subjects ";
$query .= " WHERE id=" . $subject_id ." ";
$query .= " LIMIT 1";
$result_set = mysql_query($query);
confirm_query($result_set);
// REMEMBER:
// if no rows are returned, fetch_array will return false
if ($subject = mysql_fetch_array($result_set)) {
return $subject;
} else {
return NULL;
}
}
function get_page_by_id($page_id) {
// global $connection;
$query = "SELECT * ";
$query .= " FROM pages ";
$query .= " WHERE id=" . $page_id ." ";
$query .= " LIMIT 1";
$result_set = mysql_query($query);
confirm_query($result_set);
// REMEMBER:
// if no rows are returned, fetch_array will return false
if ($page = mysql_fetch_array($result_set)) {
return $page;
} else {
return NULL;
}
}
?>
DB connection function:
<?php
function db_connect() {
// 1-connect to database -- $connection is a handler to test if database
// connection error.
$connection = mysql_connect ( DB_SERVER, DB_USER, DB_PASS );
if (! $connection) {
die ( "Database connection failed: " . mysql_error () );
}
// 2-Select the database -- $db_select is a handler to test if database
// selection failed.
$db_select = mysql_select_db ( DB_NAME, $connection );
if (! $db_select) {
die ( "Database Selected failed: " . mysql_error () );
}
}
?>
