Check HTTP Status - Dokumentation

Datei check_http_status.php
 
//*****************************************************************************************************************
// Copyright by webinteger.net
// Author: Günther Trojan / 2007
//*****************************************************************************************************************
 
// Bei Submit
if(isset($_POST["submit"])){
 
	include("_class_status.php");
 
	$http_status = new seo_tools;
	$http_status->get_http_status(trim($_POST["url"]));
 
	  // ERGEBNIS AUSGABE
	echo '<p style="color:#009900"><b>Das Ergebnis für '.trim($_POST["url"]).':</b><p>'; 
	echo '<p>';
	echo 'HTTP Status Line: <b>'.$http_status->array_http_status["Status-Line"].'</b><br>'; 
	echo 'HTTP Status: <b>'.$http_status->array_http_status["Status-Code"].'</b><br>';
	echo 'HTTP Version: <b>'.$http_status->array_http_status["HTTP-Version"].'</b><br>';
	echo 'Reason Phrase: <b>'.$http_status->array_http_status["Reason-Phrase"].'</b><br>';
	if($http_status->array_http_status["Status-Code"] == "301" || $http_status->array_http_status["Status-Code"] == "302"){
		echo 'Weiterleitung nach: <b>'.$http_status->array_http_status["Location"].'</b><br>';
  		echo 'HTTP Status der Weiterleitung: <b>'.$http_status->array_http_status["Location-Status-Code"].'</b><br>';
  	}
  	echo "</p><br><br>";
}
 
echo '<form action="" method="post">';
echo '<p>URL: <small>(z.B.: http://www.IhreDomain.de</small>)<br>';
echo '<input type="text" name="url" value="'.htmlspecialchars(stripslashes($_POST["url"])).'" style="width: 325px;">';
echo '&nbsp;<input name="submit" type="submit" value="Check">';
echo '</p></form>'	
 

Klasse _class_status.php
 
//*****************************************************************************************************************
// Copyright by webinteger.net
// Author: Günther Trojan / 2007
//*****************************************************************************************************************
 
<?php
class seo_tools{
 
	var $url;
	var $array_parse_url = array();
	var $user_agent = "webinteger.net";
	var $array_http_status = array();
 
	//*****************************************************************************************************************
	// 	get_http_status
	//*****************************************************************************************************************
 
	function get_http_status($url, $abbruch=false){
 
		if(empty($url)) return FALSE;
		$this->url = $url;
		$this->array_parse_url = parse_url($this->url);
		if(!isset($this->array_parse_url["scheme"])) $this->url = "http://".$this->url;
		if(!isset($this->array_parse_url["port"])) $this->array_parse_url["port"] = 80;
		if(!isset($this->array_parse_url["path"])) $this->array_parse_url["path"] = "/";
 
		$fp = @fsockopen($this->array_parse_url["host"], $this->array_parse_url["port"], $errno, $errstr, 15);
		if(!$fp){
			if($abbruch){
				$this->array_http_status["Location-Status-Code"] = "Seite nicht gefunden - Zeitüberschreitung";
			}else{
				$this->array_http_status["Status-Line"] = "Angegebene Seite nicht gefunden";
				$this->array_http_status["HTTP-Version"] = "-";
				$this->array_http_status["Status-Code"] = "408";
				$this->array_http_status["Reason-Phrase"] = "Zeitüberschreitung";
			}
			return;
		}else{
 
			fputs($fp, "GET ".$this->array_parse_url["path"]." HTTP/1.1\r\n");
			fputs($fp, "Host: ".$this->array_parse_url["host"]."\r\n");
			fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n");
			fputs($fp, "Content-length: ".strlen($parameters). "\r\n");
			fputs($fp, "User-Agent: ".$this->user_agent."\r\n");
			fputs($fp, "Connection: close\r\n\r\n");
 
			$head = "";
			while(!feof($fp)) $head.= fgets($fp, 1024);
			fclose($fp);
 
			preg_match("=^(HTTP/\d+\.\d+) (\d{3}) ([^\r\n]*)=", $head, $treffer);
 
			if($abbruch){
				$this->array_http_status["Location-Status-Code"] = $treffer[2];
			}else{
				$this->array_http_status["Status-Line"] = $treffer[0];
				$this->array_http_status["HTTP-Version"] = $treffer[1];
				$this->array_http_status["Status-Code"] = $treffer[2];
				$this->array_http_status["Reason-Phrase"] = $treffer[3];
 
				$http_klassen = array("Informational", "Successful", "Redirection", "Client Error", "Server Error");
				$this->array_http_status["Response-Class"] = $http_klassen[$this->array_http_status["Status-Code"][0] - 1];
				preg_match_all("=^(.+): ([^\r\n]*)=m", $head, $treffer, PREG_SET_ORDER);
				foreach($treffer as $zeile){
					$this->array_http_status[$zeile[1]] = $zeile[2]; 
				}
				if($this->array_http_status["Status-Code"][0] == 3){
					$this->get_http_status($this->array_http_status["Location"], true);
				}
			}
		}
		return;
	}
}
?>