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How to jump to a new window in php

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Release: 2023-03-04 08:38:02
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How to jump to a new window in php: 1. Use the [header()] function to output the HTTP protocol header to the browser; 2. Use the meta tag to provide document meta information tags, which can realize page jumps. ;3. Use javascript to automatically jump to the new address.

How to jump to a new window in php

php method to jump to a new window:

The first way: header()

The main function of the header() function is to output the HTTP protocol header (header) to the browser.

Syntax:

void header ( string $string [, bool $replace = true [, int $http_response_code ]] )
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The optional parameter replace specifies whether to replace the previous similar header or add a header of the same type. The default is to replace.

The second optional parameterhttp_response_codeForce the HTTP corresponding code to the specified value. The Location type header in the header function is a special header call, often used to implement page jumps. Note: 1. There cannot be a space between location and ":", otherwise it will not jump.

Example:

<html>
<?php
/* This will give an error. Note the output
 * above, which is before the header() call */
header(&#39;Location: http://www.example.com/&#39;);
exit;
?>
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Note:

  • There cannot be any output before the header is executed

  • ##location and : There can be no spaces between

  • The php code after the header will still be executed, so you need to pay attention to using exit;

Second One way: meta tag

Meta tag is a tag in HTML responsible for providing document meta-information. Using this tag in a PHP program can also achieve page jumps. If http-equiv is defined as refresh, when the page is opened, it will jump to the corresponding page within a certain period of time based on the value specified by content.

< meta http-equiv="refresh"
content="1;url=http://
www.baidu.com">
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The third way: javascript

By using windows.location.href='url'; the page automatically jumps to the new address

< ?php 
$url = "http://www.baidu.com"; 
echo "< script language=&#39;javascript&#39;
type=&#39;text/javascript&#39;>"; 
echo "window.location.href=&#39;$url&#39;"; 
echo "< /script>"; 
?>
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