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Php URL jump code to reduce the external chain _php instance

Source: Internet
Author: User
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URL Jump Code
1. Code:
? $url =$_get["url"];header ("Location:".) http://". $url);? > such as save for aaa.php, can realize aaa.php?url=www.baidu.com jump to Baidu effect.
This simple call to the default $_get variable. and PHP default jump location:

2. Instance upgrade: Increase if loop
Code:
Copy Code code as follows:

?
$url =$_get["url"];
if (strlen ($url >=3)) {
Header ("Location:".) http://". $url);
}
?>
<title>url Steering Page </title>
<body>
<form id= "url" name= "url" method= "Get" action= "#" >
<label>http://
<input name= "url" type= "text" value= ""/>
</label>
<input type= "Submit" name= "Submission" value= "submitted"/>
</form>
</body>

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