PHP redirect from one page to another page approach

Source: Internet
Author: User
Keywords Network programming PHP tutorial
Tags browser cache control echo function html http http protocol

PHP from one page to another page redirect three ways for reference.

First, use HTTP header information

That is to use PHP's HEADER function. The function of the HEADER function in PHP is to issue to the browser control instructions that the HTTP protocol should have passed through the WEB server, such as declaring the type of information returned ("Context-type: xxx / xxx"), the page's attributes cache "," Expire ") and so on.
Here's how to redirect to another page using HTTP header information:

<?

if (isset ($ url))

{

Header ("HTTP / 1.1 303 See Other");

Header ("Location: $ url");

exit

}

?>

Notice that there is a space after "Localtion:".

Second, mark with HTML

Marked with HTML, is to use META's REFRESH tag, for example as follows:

<? if (! isset ($ url)) exit;?>

<HTML>

<HEAD>

<META HTTP-EQUIV = "REFRESH" CONTENT = "5"; URL = <? Echo $ url;? >>

</ HEAD>

<BODY>

</ BODY>

</ HTML>

Third, use a script to achieve

For example:

<?

$ url = "http://www.weeksee.com";

echo "<! - <SCRIPT LANGUAGE =" javascript ">";

echo "location.href = '$ url'";

echo "</ SCRIPT> ->";

?>

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