A class that gets URL information implemented in PHP

class to get URL information

Using this class, you can get the following information for the URL:

-Host
-Path
-Statuscode (eg. 404,200, ...)
-HTTP Version
-Server
-Content Type
-Date
-the whole header string of the URL
　 Copy CodeThe code is as follows:
<?
/**
* Class for getting information about URL ' s
* @author Sven Wagener <[email][email protected][/email]>
* @copyright Intertribe Limited
* Collection and collation of @PHP Chinese community [Url]www.phpnet.cn[/url]
* @include Funktion:_include_
*/
Class url{

var $url = "";
var $url _host;
var $url _path;
var $file = "";

var $code = "";
var $code _desc= "";
var $http _version= ""; Variable for HTTP version

var $header _stream;
var $header _array;

var $timeout = "1";

/**
* Constructor of Class URL
* @param string $url the complete URL
* @desc Constructor of class URL
*/
function URL ($url) {
$this->url= $url;

$url _array=parse_url ($this->url);
$this->url_host= $url _array[' host ';
$this->url_path= $url _array[' path ';

if ($this->url_path== "") {
$this->url_path= "/";
}

$this->refresh_headerinfo ();
}

/**
* Returns the whole URL
* @return string $url the whole URL
* @desc Returns the whole URL
*/
function Get_url () {
return $this->url;
}

/**
* Returns the host of the URL
* @return string $url _host the host of the URL
* @desc Returns The host of the URL
*/
function Get_url_host () {
return $this->url_host;
}

/**
* Returns The path of the URL
* @return string $url _path The path of the URL
* @desc Returns The path of the URL
*/
function Get_url_path () {
return $this->url_path;
}

/**
* Returns The status code of the URL
* @return String $status _code the status code
* @desc Returns The status code of the URL
*/
function get_StatusCode () {
return $this->code;
}

/**
* Returns The status code description of the URL
* @return String $status _code_desc the status code description
* @desc Returns The Status code description of the URL
*/
function Get_statuscode_desc () {
return $this->code_desc;
}

/**
* Returns the HTTP version of the URL by the returned headers of the server
* @return String $http _version the HTTP version
* @desc Returns The HTTP version of the URL by the returned headers of the server
*/
function Get_info_http_version () {
return $this->http_version;
}

/**
* Returns the server type of the URL ' s host by the returned headers of the server
* @return string header_array[' server ') the server type
* @desc Returns The server type of the URL ' s host by the returned headers of the server
*/
function Get_info_server () {
return $this->header_array[' Server '];
}

/**
* Returns The date of the URL ' s host by the returned headers of the server
* @return string $header _array[' Date ') the date
* @desc Returns The date of the URL ' s host by the returned headers of the server
*/
function Get_info_date () {
return $this->header_array[' Date ');
}

/*
function Get_info_content_length () {
return $this->header_array[' content-length '];
}
*/

/**
* Returns The content type by the returned headers of the server
* @return string header_array[' Content-type ') the Content Type
* @desc Returns The content type by the returned headers of the server
*/
function Get_info_content_type () {
return $this->header_array[' Content-type '];
}

/**
* Returns The content of the URL without the headers
* @return String $content the content
* @desc Returns The content of the URL without the headers
*/
function Get_content () {
Get a Web page into a string
$string = Implode (' ', File ($this->url));
return $string;
}

/**
* Returns the whole header of URL without content
* @return String $header the header
* @desc Returns the whole header of URL without content
*/
function Get_header_stream () {
return $this->header_stream;
}

/**
* Returns The whole headers of the URL in an array
* @return Array $header _array The headers in an array
* @desc Returns The whole headers of the URL in an array
*/
function Get_headers () {
return $this->header_array;
}

/**
* Refreshes the header information
* @desc Refreshes the header information
*/
function Refresh_headerinfo () {
Open socket for connection via port and put headers
$fp = Fsockopen ($this->url_host, $errno, $errstr, 30);
if (! $fp) {
echo "$errstr ($errno)";
if ($errno ==0) {
$errstr = "Server not Found";
}
$this->code= $errno;
$this->code_desc= $errstr;
} else {

$put _string= "GET". $this->url_path. " Http/1.0rnhost: ". $this->url_host." Rnrn ";
Fputs ($fp, $put _string);
@socket_set_timeout ($fp, $this->timeout);

$stream = "";
$this->header_array= "";
$header _end=false;

Getting header string and creating header array
$i = 0;
while (!feof ($FP) &&! $header _end) {
$line =fgets ($FP, 128);
if (strlen ($line) ==2) {
$header _end=true;
}else{
if ($i ==0) {
$line 1= $line;
}
$stream. = $line;
$splitted _line=split (":", $line);
$this->header_array[$splitted _line[0]]= $splitted _line[1];
$i + +;
}
}
Fclose ($FP);

$this->header_stream= $stream;

$splitted _stream=split ("", $line 1);

Getting Status Code and description of the URL
$this->code= $splitted _stream[1];
$this->code_desc= $splitted _stream[2];
if (count ($splitted _stream) >3) {
for ($i =3; $i <count ($splitted _stream); $i + +) {
$this->code_desc.= "". $splitted _stream[$i];
}
}
Cleaning up for N and R
$this->code_desc=preg_replace ("[\ n]", "", $this->code_desc);
$this->code_desc=preg_replace ("[\ r]", "", $this->code_desc);

Getting Http Version
$http _array=split ("/", $splitted _stream[0]);
$this->http_version= $http _array[1];
}
}

/**
* Sets the timeout for getting headers data from server
* @param int $seconds time for timeout in seconds
* @desc sets the timeout for getting headers data from server
*/
function Set_timeout ($seconds) {
$this->timeout= $seconds;
}
}
?>
　 Copy CodeThe code is as follows:
<?php
Include ("url.class.php");
$url =new URL ("[Url]http://www.phpnet.cn/[/url]");

echo $url->get_header_stream ();
$headers = $url->get_headers ();

echo $headers [' Server '];

echo $url->get_content ();
echo "URL: <b>". $url->get_url (). " </b><br>n ";
echo "URL Host:" $url->get_url_host (). " <br>n ";
echo "URL Path:". $url->get_url_path (). " <br>n<br>n ";

echo "Statuscode:". $url->get_statuscode (). " <br>n ";
echo "Statuscode Description:". $url->get_statuscode_desc (). " <br>n ";
echo "HTTP Version:" $url->get_info_http_version (). " <br>n ";
echo "Server:". $url->get_info_server (). " <br>n ";
echo "Content Type:". $url->get_info_content_type (). " <br>n ";
echo "Date:". $url->get_info_date (). " <br>n<br>n ";

echo "WHOLE headers:<br>n";
echo $url->get_header_stream ();
?>

A class that gets URL information implemented in PHP