How to jump to page in php file-PHP Problem-php.cn

How to jump to page in php file

PHPz

Release： 2023-04-24 14:57:56

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For website application development, jumping to a page is a very common operation. Implementing jump pages in PHP files can be achieved through the header function or using Location.

Use the header function to implement jump

PHP provides the header function to implement the page jump function. This function can send the header of the HTTP message to the browser. Information, add the Location attribute in the header information to implement jump.

The basic syntax of the header function is as follows:

header(string, bool force);

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The string parameter refers to the specific HTTP message information to be sent. Here, the web page jump is achieved by setting the Location. The force parameter is actually a boolean value. If force is true, header information is sent immediately. If false, the information will be saved in an internal buffer and not sent until the PHP script has finished executing. If the force parameter is not set, the default value is true.

Then, the following is a simple jump example to jump to the Baidu homepage:

<?php
header("Location: http://www.baidu.com");
?>

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Use Location to jump

Location Actual The above is an attribute of the header function, used to redirect the location of the request. If a Location is set before executing the PHP code, the request will be redirected to that location.

The following is the same example, but this time using Location:

<?php
echo &#39;<html><head><title>重定向示例</title>';
echo '<meta http-equiv="refresh" content="0;url=http://www.baidu.com"></head></html>';
exit;
?>

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In the above code, refresh is used to implement the jump operation. Among them, the content parameter is used to set the time for automatically refreshing the page. The unit is seconds and must be an integer variable. The url parameter is used to specify the page address to jump to.

It should be noted that when using Location to jump, you also need to use the exit function to end the currently executing script, otherwise some errors may occur.

Summary:

To implement a jump page in a PHP file, you can use the header function or use Location to achieve it.

Using the header function, you can send the header information of the HTTP message to the browser and add the Location attribute to the header information to realize the jump.

Using Location actually uses an attribute of the header function. Set the Location before executing the PHP code, and the request will be redirected to that location. You also need to use the exit function to end the currently executing script when jumping.

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