<?php
/*******************************************************************************
* PHP Simple Links Exchange Class
*******************************************************************************
* Author: Denys Matuzenko
* Email: info (_at_) brutka.com
* Website: http://www.brutka.com
* http://www.matuzenko.com
* File: LinkExchange.class.php
* Version: 1.00
* Copyright: (c) 2006 - Denys Matuzenko
* You are free to use, distribute, and modify this software
* under the terms of the GNU General Public License. See the
* included license.txt file.
*
*******************************************************************************
* VERION HISTORY:
*
* v1.0.0 [08.04.2006] - Initial Version
*
*******************************************************************************
* DESCRIPTION:
* This class provides simple mechanism of managing links exchnage with your site
* including adding new links, updating and deleting existing and allowing you
* to check if the backlink to your site is present on target web page.
* Class was created for own use, if you have thoughts how to improve it
* I can do this free of charge and send you improved class.
*/
define ("DB_USER", "");
define ("DB_PASS", "");
define ("DB_NAME", "");
define ("DB_HOST", "localhost");
define ("MY_URL", "http://www.YOURDOMAIN.com");
class LinkExchange_class {
var $counter;
function LinkExchange_class() {
$this->connectToBase();
}
function getCategoriesList () {
$result = mysql_query ("SELECT category_id, name FROM link_exchange_categories ORDER BY category_id");
$categories = array ();
$this->counter = 0;
while ($row = mysql_fetch_array ($result)) $categories[$this->counter++] = $row;
return $categories;
}
function addCategory ($add_name) {
mysql_query ("INSERT INTO link_exchange_categories (name) VALUES ('$add_name')");
}
function addLink ($add_link, $add_back_link, $add_category) {
mysql_query ("INSERT INTO link_exchange_links (category_id, link_source, backlink_address, date_added) VALUES($add_category, '$add_link', '{$add_back_link}', now())");
}
function getLinksOfCategory ($get_category) {
$result = mysql_query ("SELECT * FROM link_exchange_links WHERE category_id={$get_category}");
$this->counter = 0;
$links = array ();
while ($row = mysql_fetch_array ($result)) $links[$this->counter++] = $row;
return $links;
}
function removeLink ($remove_link) {
mysql_query ("DELETE FROM link_exchange_links WHERE link_id={$remove_link}");
}
function updateLink ($link_id, $new_source, $new_backlink, $new_category) {
mysql_query ("UPDATE link_exchange_links SET category_id={$new_category}, link_source='{$new_source}', backlink_address='{$new_backlink}', date_checked=NULL WHERE link_id={$link_id}");
}
function checkLinks ($check_type) {
$sql = "SELECT link_exchange_links.* FROM link_exchange_links";
if ($check_type == 'confirmed') $sql .= " WHERE backlink_present=1";
if ($check_type == 'not_confirmed') $sql .= " backlink_present=0";
$result = mysql_query ($sql);
while ($row = mysql_fetch_array($result)) {
echo '<tr><td>'.$row['link_id'].'</td><td><textarea cols="80" rows="2" readonly="readonly">'.$row['link_source'].'</textarea></td><td><input type="text" size="60" value="'.$row['backlink_address'].'" readonly="readonly" /></td><td>';
if ($row['backlink_address'] == '') echo '-'; else {
$contents = file_get_contents ($row['backlink_address']);
if ($contents == FALSE) echo 'Could not open';
else {
$present = 0;
if( (stristr($contents, '<a href="'.MY_URL) === FALSE) && (stristr($contents, "<a href='" .MY_URL) === FALSE)) {
echo 'Link NOT present';
} else {
$present = 1;
echo 'Link present';
}
mysql_query ("UPDATE link_exchange_links SET backlink_present={$present}, date_checked=now() WHERE link_id= " . $row['link_id']);
}
}
echo '</td></tr>';
}
}
function makeCheckReport ($category_id) {
$where = ($category_id==0) ? '': ' WHERE link_exchange_categories.category_id='.$category_id;
$result = mysql_query ("SELECT link_id, link_source, backlink_address, backlink_present, date_added, date_checked, name, link_exchange_categories.category_id, link_id FROM link_exchange_links INNER JOIN link_exchange_categories ON link_exchange_categories.category_id=link_exchange_links.category_id".$where." ORDER BY link_exchange_links.category_id, date_added DESC");
$this->counter = 0;
$report = array ();
while ($row = mysql_fetch_array ($result)) $report[$this->counter++] = $row;
return $report;
}
function connectToBase () {
mysql_connect (DB_HOST, DB_USER, DB_PASS);
mysql_select_db (DB_NAME);
}
function setupTables () {
mysql_query ("CREATE TABLE link_exchange_categories (category_id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, name VARCHAR(255))");
mysql_query ("CREATE TABLE link_exchange_links (link_id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, category_id INT NOT NULL, link_source TEXT, backlink_address VARCHAR(255), backlink_present TINYINT NOT NULL DEFAULT 0, date_added DATE, date_checked DATE default NULL)");
}
}
?>
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