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This article mainly introduces what apache refers to. It has certain reference value and can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

What on earth is apache?

1:Apache, transliterated as Apache, is a tribe of North American Indians, called Apache, in the southwest of the United States. Legend has it that Apache was a samurai, brave and invincible, and was regarded by the Indians as the representative of bravery and victory, so later generations named the Indian tribe after him, and the Apache was also famous for being tough in Indian history. Everything else evolved according to the above consciousness.

2:Apache is the name of a software foundation. Usually, when we say apache, we should mean Apache HTTP Server, that is, apache server. It is an open source server software managed by the Apache Software Foundation and can be understood as an application on a computer. To put it simply, its function is to turn your computer into a server, allowing your computer to open specific network ports to receive HTTP requests sent to this machine from the network, process the contents of the requests and respond accordingly.

3:APACHE is a network server that listens on a TCP port, usually 80, explains the commands received by the port, and then submits some results. The main commands explained by APACHE are GET and POST, which generally correspond to the client entering an address in the browser, clicking a link in the browser, and submitting a form. When APACHE interprets the GET and POST commands, if the object of GET and POST is a general file such as HTML, CSS, JS, RAR, TXT, etc., it will directly send the contents of the file back to the client. If the object is a PHP file, APACHE enables the PHP.EXE program (the name on the UNIX is different, and the details of the installation as the module are different, here is just an example), pass the file, the parameters of the call to PHP.EXE, and then feed back the result of PHP.EXE execution to the client.

PHP can call various libraries to perform various functions, the most typical of which is querying the database. PHP.EXE interprets and executes statements in PHP text files, which are generally not translated before execution, just like batch processing.

APACHE can configure multiple filters such as PHP. All files of XXX class are submitted to XXX.EXE for execution. The content of the execution is sent to the browser, and other files are sent directly. APACHE is such a simple, mechanical execution.

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