Three ways to learn PHP redirection _php Tutorial

One using HTTP header information

That is, using the header function of PHP. The function of the header function in PHP is to send the browser a control instruction that is supposed to pass through the Web server as specified by the HTTP protocol, such as declaring the type of return information ("Context-type:xxx/xxx"), the properties of the page ("No cache", " Expire ") and so on.

The following methods are used to redirect HTTP header information to another page:

$url = http://www.bkjia.com;
if (Isset ($url))
{
Header ("Location: $url");
}
?>

Note: "Localtion:" There is a space behind, do not add sometimes can, but for correctness or added as well.

Second, with HTML tags

Use HTML markup, which is the refresh tag of meta, for example:

$url = http://www.bkjia.com;
if (!isset ($url))
{
Exit (' No address to jump to Yo ');
}
?>

Note: where content= "5; Url= ' http://www.bkjia.com ', which represents the address of the jump and executes after 5 seconds.

Third, the use of the script to achieve

$url =http://www.bkjia.com;
echo "";
?>

The best way to use the header, so that the page jumps faster, the user from the visually difficult to detect the whole page jump, but only local changes!

http://www.bkjia.com/PHPjc/371651.html www.bkjia.com true http://www.bkjia.com/PHPjc/371651.html techarticle First , with the HTTP header information is also used in PHP header function. The function of the header function in PHP is to send the browser a control instruction that is supposed to pass through the Web server, as specified by the HTTP protocol .

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