How to make use of the invalid solution of header jump by php

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Php takes advantage of the invalid solution of header jump: 1, find and open the php.ini configuration file; 2, change output_buffering = Off to output_buffering = 4096; restart the server.

This article operating environment: windows10 system, php 7, thinkpad T480 computer.

Solution:

1. Modify php.ini

2. Find output_buffering=Off and change it to output_buffering=4096

3. Restart the server.

Using header ("location:test.php") to jump in PHP should pay attention to the following points:

1. There can be no space between location and ":", otherwise there will be an error. / / phpfensi.com

2. There can be no output before using header, including no spaces after the tag "? >" in the include page.

3. The PHP code after header will also be executed.

There cannot be any content output before PHP's header jump, because the PHP sends HTTP headers to the browser when it starts execution, and then changes are no longer allowed.

But if you have to process the header information after the output, you can use ob_start () ob_end_flush () to cache the content to be sent, and wait until header continues to send the content.

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