Summary of various methods for jumping from a PHP page to another page-PHP Tutorial-php.cn

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Summary of various methods for jumping from a PHP page to another page

高洛峰

Jan 21, 2017 pm 01:58 PM

1. Use HTTP header information
That is, use PHP’s HEADER function. The function of the HEADER function in PHP is to issue control instructions to the browser that should be passed through the WEB server specified by the HTTP protocol, such as declaring the type of return information ("Context-type: xxx/xxx"), the attributes of the page ("No cache", "Expire"), etc.
The method of redirecting to another page using HTTP header information is as follows:

<? 
if (isset($url)) 
{ 
Header("HTTP/1.1 303 See Other"); 
Header("Location: $url"); 
exit; //from www.w3sky.com 
} 
?>

Note that there is a space after "Localtion:".
2. Use HTML tags
Use HTML tags, that is, use META’s REFRESH tag. Examples are as follows:

<? if (!isset($url)) exit;?> 
<HTML> 
<HEAD> 
<META HTTP-EQUIV="REFRESH" CONTENT="5; URL=<? echo $url;?>> 
</HEAD> 
<BODY> 
</BODY> 
</HTML>

3. Use scripts to implement
Examples are as follows:

<? 
$url="http://www.php.cn"; 
echo "<!--<scrīpt LANGUAGE="Javascrīpt">"; 
echo "location.href=&#39;$url&#39;"; 
echo "</scrīpt>-->"; 
?>

The following is a supplement
The fourth method:
echo "Where: XX is the number of seconds, 0 is an immediate jump. refresh means refresh. Url is the page to jump to.

The fifth way: use script to achieve
<script>url="submit.php";window.location.href=url;</script>

Sixth method: Use script to implement, the difference is to use the open statement. And it can be restricted The original window is still a parent window, a child window or a new window.
<script>url="submit.php";window.open(\'url,\'\',\'_self\');</ script> <br/>Change \'_self\' to limit the jump to the original window, parent window, child window or new window. The seventh way: use PHP's own function to send header information <br/>header("Location : Url"); <br/><br/> The fastest and most powerful... But there is a problem that must be pointed out: if there is already html output before using this function, even if it is a space, then an error will be displayed at the top of the page Information..</script>

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