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How to jump to page in php

爱喝马黛茶的安东尼Original: 2019-08-29 15:23:464065browse

Three ways of PHP page jump

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 ]] )

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.

Related recommendations: "PHP Introductory Tutorial"

The second optional parameter http_response_code forces 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;
?>

Note:

·There cannot be any output before the header is executed;

There cannot be a space between ·location and:; the PHP code after

·header will still be executed, so you need to pay attention to using exit.

Second method: meta tag

Meta tag is a tag in HTML responsible for providing document meta-information. Using this tag in a PHP program can also implement a page Jump. 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">

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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