<?php
if (realpath(__FILE__) == realpath($_SERVER['SCRIPT_FILENAME'])) {exit('No direct access!');}
/*
************************************************************************************************************
*
* Seo - Link Factory Class
* @filename: seo.class.php
* Php version PHP5.
* Mysql Version 4 and newer.
* Revision : 53
* version: 0.0.3
* @author: Ersin Güvenç <eguvenc@gmail.com> (C) 2008.
* @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License Version 2.1
*
************************************************************************************************************
*/
//catch all error.. you can customize exception class.look at php5 manual.
Class Seo_Exception extends Exception {
function __toString(){
return __CLASS__ . ": [Error]: {$this->getMessage()} [Line]: {$this->getLine()}\n";
}
}
//Purely static class..
Class Seo {
static $instance;
//this class only using by getInstace() method.
private function __construct() {}
//this object can not copy except getInstance() method.
private function __clone() {}
//lets prevent duplication of memory using by Singleton.
public static function getInstance(){
if(! (self::$instance instanceof self))
{
self::$instance = new self();
}
return self::$instance;
}
//table configuration....
public $table = array('TABLE_NAME'=> '', //table name
'ID'=> '', //table id field name
'FIELD'=> '', //which field you want convert to link.
'FIELD_LINK'=> '' //link field name
);
/**
* Main subject link variable, we set incoming link this variable.
* @access: private
*/
private $subject = "";
/**
* All unknown and whitespace characters will replace with this.
* @access: private - static
*/
private static $replace_with_character = "-"; //default '-', or you can choose any character like "__" OR "~~"
/**
* @Method: init_empty_control - static -boolean
* @Access: private
* @Description: Empty control for each $this->table[].
*/
private function init_empty_control(){
foreach($this->table as $val){
if(empty($val))
throw new Seo_Exception('TABLE DATA can\'t be empty.
Please provide table information.
Seo class '.__FUNCTION__.' error!');
}
return true;
}
/**
* Silly version function.*/
public function version(){ return "Seo Link Factory v0.0.3";}
/**
*
* @Method: _set_link
* @Access: private
* @Parameters: 1
* @Param-1: String.
* @Description: Set main subject variable.
*/
private function _set_link($subject){
$this->subject = mysql_real_escape_string($subject);
}
/**
*
* @Method: _get_link
* @Access: private
* @Parameters: 1
* @Param-1: String.
* @Description: Get main subject variable.
*/
private function _get_link(){
return $this->subject;
}
/**
*
* @Method: replace_data - static
* @Access: public
* @Parameters: 1
* @Param-1: Array().
* @Description: Strlower string and convert string to UTF-8, we replace some special characters.
*/
public static function replace_data($data){
$trimmed = ltrim(rtrim($data));
$convert = mb_convert_case($trimmed, MB_CASE_LOWER, "UTF-8");
//Enter special characters in your language (patterns - replace)..
/*
'/€/','/£/','/¥/','$','#','&','%',
*/
$patterns = array('/Á/','/É/','/Í/','/Ó/','/Ú/',
'/À/','/È/','/Ì/','/Ò/','/Ù/',
'/á/','/é/','/í/','/ó/','/ú/','/ý/',
'/à/','/è/','/ì/','/ò/','/ù/',
'/â/','/ê/','/î/','/ô/','/û/',
'/Â/','/Ê/','/Î/','/Ô/','/Û/',
'/ä/','/ë/','/ï/','/ö/','/ü/','/ÿ/',
'/Ä/','/Ë/','/Ï/','/Ö/','/Ü/','/Ÿ/',
'/ã/','/õ/','/ñ/','/å/','/ø/','/š/',
'/Ã/','/Õ/','/Ñ/','/Å/','/Ø/','/Š/',
'/ç/','/ğ/','/ı/','/ö/','/ş/','/ü/');
$replace = array( 'a' , 'e' , 'i' , 'o' , 'u' ,
'a' , 'e' , 'i' , 'o' , 'u' ,
'a' , 'e' , 'i' , 'o' , 'u' ,'y',
'a' , 'e' , 'i' , 'o' , 'u' ,
'a' , 'e' , 'i' , 'o' , 'u' ,
'a' , 'e' , 'i' , 'o' , 'u' ,
'a' , 'e' , 'i' , 'o' , 'u' ,'y',
'a' , 'e' , 'i' , 'o' , 'u' ,'y',
'a' , 'o' , 'n' , 'a' , 'q' ,'s',
'a' , 'o' , 'n' , 'a' , 'q' ,'s',
'c' , 'g' , 'i' , 'o' , 's' ,'u');
return preg_replace($patterns,$replace,$convert);
}
/**
*
* @Method: clean_str - static.
* @Access: public
* @Parameters: 1
* @Param-1: String
* @Description: Get only between a-z characters from replaced data.
*/
public static function clean_str($str){
try{
if(empty($str))
throw new Seo_Exception(''.__FUNCTION__.' string empty!');
return ereg_replace("[^a-zA-Z0-9_]", self::$replace_with_character ,Seo::replace_data($str));
}catch(Exception $e) {echo $e;}
}
/**
*
* @Method: query_link
* @Access: public
* @Parameters: 1
* @Param-1: String
* @Description: Query mysql database, check for existing seo links.
*/
######################
# QUERY LINK SQL (ORIGINAL SQL)
######################
/*
SELECT link FROM articles WHERE link='blabla' OR link REGEXP '^($link).*(-).*[(0-9)\d]$'
*/
public function query_link($pure_link){
if(empty($pure_link))
throw new Seo_Exception('Query_link variable can\'t be empty.Seo class '.__FUNCTION__.' error!');
$link = mysql_real_escape_string($pure_link);
$sql = sprintf("SELECT %s FROM %s WHERE %s='%s' OR %s REGEXP '^($link).*(%s).*[(0-9)\d]$'",
$this->table['FIELD_LINK'],
$this->table['TABLE_NAME'],
$this->table['FIELD_LINK'],
$link,
$this->table['FIELD_LINK'],
self::$replace_with_character);
$query = mysql_query($sql);
if(!$query) throw new seo_Exception(mysql_error());
$num = mysql_num_rows($query);
//echo $num;
if($num == 1) {
$total = $num++;
$new_link = $link.self::$replace_with_character.$total;
//$link = $this->increase_link($link,$total);
return $new_link;
}elseif($num > 1){
//find the most big number and increase one.
$match_row = array();
$cat_row = array();
$max_row = array();
$i = 0; $j = 0;
while($row = mysql_fetch_assoc($query)){
$cat_row[] = $row[$this->table['FIELD_LINK']];
$pattern = sprintf("/%s(\d+)$/",self::$replace_with_character);
preg_match($pattern, $cat_row[$i++],$match_row[]);
$max_row[] = $match_row[$j++][1];
}
//print_r($max_row);
$total = max($max_row) + 1;
//print_r($match_row);
$new_link = $link.self::$replace_with_character.$total;
return $new_link;
}else{
return $link;
}
}
/**
*
* @Method: insert
* @Access: public
* @Parameters: 1
* @Param-1: String
* @Description: Build new seo link for insert to mysql database.
*/
public function insert($subject){
try {
$this->init_empty_control();
$this->_set_link($subject);
$link = Seo::clean_str($this->_get_link());
$new_link = $this->query_link($link);
return $new_link;
}catch(Exception $e) {echo $e;}
}
/**
*
* @Method: update
* @Access: public
* @Parameters: 2
* @Param-1: String
* @Param-2: Integer
* @Description: Update existing link stored in mysql database.
*/
######################
# UPDATE SQL (ORIGINAL SQL)
######################
/*
SELECT link FROM articles WHERE article_id='$id'
UPDATE articles SET link='' WHERE article='$id'
*/
public function update($subject,$id){
try {
$this->init_empty_control();
if(empty($id))
throw new Seo_Exception('Update id can\'t be empty.Seo class '.__FUNCTION__.' error!');
$this->_set_link($subject);
$sql = sprintf("SELECT %s FROM %s WHERE %s='%d'",
$this->table['FIELD_LINK'],
$this->table['TABLE_NAME'],
$this->table['ID'],
$id);
//echo $sql;
$query = mysql_query($sql);
if(!$query) throw new seo_Exception(mysql_error());
$row = mysql_fetch_assoc($query);
/*
$update_sql = sprintf("UPDATE %s SET %s='' WHERE %s='%d'",
$this->table['TABLE_NAME'],
$this->table['FIELD_LINK'],
$this->table['ID'],
$id);
if(!mysql_query($update_sql)) throw new seo_Exception(mysql_error());
*/
$link = Seo::clean_str($this->_get_link());
$pattern = sprintf("<(%s).*(%s).*[0-9]>",$link,self::$replace_with_character);
if (preg_match($pattern,$row[$this->table['FIELD_LINK']])) {
$new_link = $row[$this->table['FIELD_LINK']];
}elseif($link == $row[$this->table['FIELD_LINK']]){
$new_link = $link;
}else{
$new_link = $this->query_link($link);
}
//update problem fixed !!
return $new_link;
}catch(Exception $e) {echo $e;}
}
/**
*
* @Method: reset_table
* @Access: public
* @Description: Clean all link data with space (' ') on current table.
*/
### WARNING ALL DATA WILL DELETE ON THE CURRENT TABLE!! ##
######################
# RESET TABLE SQL (ORIGINAL SQL)
######################
/*
UPDATE articles SET link=''
*/
public function reset_table(){
$this->init_empty_control();
$sql = sprintf("UPDATE %s SET %s=''",$this->table['TABLE_NAME'],$this->table['FIELD_LINK']);
if(!mysql_query($sql)) throw new seo_Exception(mysql_error());
}
/**
*
* @Method: restore_all
* @Access: public
* @Description: if any error occur you can restore all data on current table.(Recover all link)
*/
######################
# RESTORE ALL SQL (ORIGINAL SQL)
######################
/*
SELECT title,link,article_id FROM articles
UPDATE articles SET link='$link' WHERE article_id='id' LIMIT 1
*/
public function restore_all(){
try{
$this->init_empty_control();
$this->reset_table(); //reset all data..
$select_sql = sprintf("SELECT %s,%s,%s FROM %s",
$this->table['FIELD'],
$this->table['FIELD_LINK'],
$this->table['ID'],
$this->table['TABLE_NAME']);
//..
$query = mysql_query($select_sql);
if(!$query) throw new seo_Exception(mysql_error());
while($obj = mysql_fetch_object($query)){
$link = $this->update(
$obj->{$this->table['FIELD']},
$obj->{$this->table['ID']}
);
$id = $obj->{$this->table['ID']};
//..
$update_sql = sprintf("UPDATE %s SET %s='%s' WHERE
%s='$id' LIMIT 1",
$this->table['TABLE_NAME'],
$this->table['FIELD_LINK'],
$link,
$this->table['ID'],
$this->table['ID']);
if(!mysql_query($update_sql)) throw new seo_Exception(mysql_error());
} //end while.
$this->show_table();
echo "Restoration succesfuly completed!";
}catch(Exception $e) {echo $e;}
}
/**
*
* @Method: show_table
* @Access: public
* @Description: show current table
*/
######################
# SHOW TABLE SQL (ORIGINAL SQL)
######################
/*
SELECT title,link,article_id FROM articles
*/
public function show_table(){
/**/
$this->init_empty_control();
$select_sql = sprintf("SELECT %s,%s,%s FROM %s",
$this->table['FIELD'],
$this->table['FIELD_LINK'],
$this->table['ID'],
$this->table['TABLE_NAME']);
echo "<table cellpadding=\"4\" cellspacing=\"0\" border=\"1\">";
echo "<tr>";
echo "<th>{$this->table['FIELD']}</th><th>{$this->table['FIELD_LINK']}</th>";
echo "</tr>";
$query = mysql_query($select_sql);
if(!$query) throw new seo_Exception(mysql_error());
while($row = mysql_fetch_assoc($query)){
echo "<tr>";
echo "<td>";
echo $row[$this->table['FIELD']];
echo "</td>";
echo "<td>";
echo $row[$this->table['FIELD_LINK']];
echo "</td>";
echo "</tr>";
}
echo "</table>";
}
} // end of the class..
/*
private function num_equal_link($new_link){
$sql = "SELECT cat_link FROM category WHERE cat_link='$new_link'";
$query = mysql_query($sql);
if(!$query) throw new seo_Exception(mysql_error());
return mysql_num_rows($query);
}
private function increase_link($link,$total){
$new_link = $link.self::$replace_with_character.$total;
if($this->num_equal_link($new_link) > 0){
$count = $total++;
$new_link = "";
$new_link = $link.self::$replace_with_character.$count;
if($this->num_equal_link($new_link) > 0){
$this->increase_link($link,$count);
}
}
return $new_link;
}
*/
?>
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