|
Generate site page maps in Google site map format
<?php
/**
* Project: Google Site Map Generator
*
* File: GoogleSiteMap.php
*
* Copyright (C) 2006 DOUSSAU Alban
*
*
* @link http://www.dodecagone.com
* @author DOUSSAU ALban <myalban at gmail dot com>
* @version 1.0 29/05/2006
*/
class GoogleSiteMap {
var $flux; //XML String
var $nl; //New Line
var $listfreq; //Frequency List
// Constructor function
function GoogleSiteMap(){
$this->Ini();
$this->StartMap();
}
//------------------------------------------------------------
//--------------------------PUBLIC FUNCTIONS------------------
//------------------------------------------------------------
// Add an url to the XML String
// This function support string or array parameters but it's easy to extend it !
function AddURL($o){
$type=gettype($o);
//echo $type;
switch ($type){
case "string":
$this->AddStringURL($o);
break;
case "array":
$this->AddArrayURL($o);
break;
default:
break;
}
}
// Add a bunch of urls to the XML String
// This function array parameters but it's easy to extend it !
function AddURLs($o){
$type=gettype($o);
//echo $type;
switch ($type){
case "array":
for ($i=0;$i<count($o);$i++){
$this->AddURL($o[$i]);
}
break;
default:
break;
}
}
// Close the XML String and return the XML String
function CloseMap(){
$this->flux.="</urlset>";
$this->GetFlux();
}
// View the XML String in IE ( Or Firefox,....)
function ViewMap(){
header("Pragma: no-cache");
header("Content-Type: text/xml;charset=UTF-8");
echo $this->flux;
}
// Get the XML String
function GetFlux(){
return $this->flux;
}
//write the XML STRING in a specified file
function WriteFlux($file){
$this->MakerFile($file, $this->flux);
}
//------------------------------------------------------------
//--------------------------PRIVATE FUNCTIONS-----------------
//------------------------------------------------------------
// Initialize
function Ini(){
$this->flux="";
$this->nl="\n";
$this->listfreq=array("always","hourly","daily","weekly","monthly","yearly","never");
}
// Start the XML String
function StartMap(){
$this->flux.="<?xml version=\"1.0\" encoding=\"UTF-8\"?>".$this->nl;
$this->flux.="<urlset xmlns=\"http://www.google.com/schemas/sitemap/0.84\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.google.com/schemas/sitemap/0.84 http://www.google.com/schemas/sitemap/0.84/sitemap.xsd\">".$this->nl;
}
// Add a simple url location to the XML String
function AddStringURL($s){
$this->flux.="<url>".$this->nl;
$this->flux.="<loc>".$this->CleanURL($s)."</loc>".$this->nl;
$this->flux.="</url>".$this->nl;
}
// Add an url location with full option to the XML String
function AddArrayURL($a){
$this->flux.="<url>".$this->nl;
while (list($k, $v) = each($a)) {
switch($k) {
case "loc":
$v=$this->CleanURL($v);
break;
case "lastmod":
$v=($v=="")?date("c"):$v;
break;
case "changefreq":
$v=(in_array($v,$this->listfreq))?$v:"monthly";
break;
case "priority":
$v=($v==""||$v>1||$v<0)?"0.5":number_format($v,1);
break;
}
$this->flux.="<".$k.">".$v."</".$k.">".$this->nl;
}
$this->flux.="</url>".$this->nl;
}
// This function make a clean url with HTML ENTITIES end UTF-8 conversions
function CleanURL($s){
$s=htmlentities($s,ENT_QUOTES,"UTF-8");
$s=utf8_encode($s);
return $s;
}
//this function write a string to a file
function MakerFile($file, $string) {
$f=fopen($file, 'w+');
ftruncate($f, 0);
fwrite($f, $string);
fclose($f);
}
}
?>
<?php //Example script
include_once "GoogleSiteMap.php";
// Create the GoogleSiteMap XML String
$map=new GoogleSiteMap();
//Add simple URL
$map->AddURL("http://www.test.php?cat=boutique&id=5");
//Add an url with full option, but leave empty the not obligatory option.
$map->AddURL(array(loc=>"http://www.test.php?cat=boutique&id=6",lastmod=>"",changefreq=>"",priority=>""));
//Add another url with full option
$map->AddURL(array(loc=>"http://www.test.php?cat=boutique&id=7",lastmod=>"",changefreq=>"always",priority=>"0.2"));
//Add another url with full option
$map->AddURL(array(loc=>"http://www.test.php?cat=boutique&id=8",lastmod=>"1989-10-12",changefreq=>"never",priority=>"0.9"));
//But you can add multiple urls too
// We make an array of urls in string or array format ...
$a=array();
array_push($a,"http://www.test.php?cat=boutique&id=5");
array_push($a,array(loc=>"http://www.test.php?cat=boutique&id=6",lastmod=>"",changefreq=>"",priority=>""));
array_push($a,array(loc=>"http://www.test.php?cat=boutique&id=8",lastmod=>"1989-10-12",changefreq=>"never",priority=>"0.9"));
//...then we add them in the XML STRING
$map->AddURLs($a);
//Record the XML String
$result=$map->CloseMap();
//Output the XML String
$map->ViewMap();
//write the XML file to a specified file
//$map->WriteFlux("sitemap.xml");
?>
|
