This article mainly introduces the usage instructions of $ _ SERVER in PHP. For more information, see
This article mainly introduces the usage instructions of $ _ SERVER in PHP. For more information, see
Some SERVER information is often used
$ _ SERVER array element description $ _ SERVER ['php _ SELF '] # File Name of the script being executed, which is related to document root. $ _ SERVER ['argv'] # parameters passed to the script. $ _ SERVER ['argc '] # contains the number of command
$ _ SERVER ['php _ SELF '] # File Name of the script being executed, which is related to document root.$ _ SERVER ['argv'] # parameters passed to the script.$ _ SERVER ['argc '] # contains the number of command line parameters passed to the Program (
Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. Generally, we do not recommend downloading large files.
Sometimes, to hide the truth, we define the file as
$ _ Server ['php _ Self '] # File Name of the script being executed, which is related to document root.$ _ Server ['argv'] # parameters passed to the script.$ _ Server ['argc '] # contains the number of command line parameters passed to the Program (
In the past, I was curious that the website could obtain the IP address of the user accessing the current page. Now I know that the website uses the $ _ server parameter $ _ server ['remote _ ADDR '] in $ _ server.
You can input parameters to the $
$ _ Server ['php _ Self '] # File Name of the script being executed, which is related to document root.$ _ Server ['argv'] # parameters passed to the script.$ _ Server ['argc '] # contains the number of command line parameters passed to the Program (
We often optimize cache settings on the server, but we seldom pay attention to the client cache, accurate to the browser cache mechanism.
In fact, each browser has a cache policy, which temporarily caches each browsed file in a special folder. When
1. $ _ session ['php _ Self '] -- get the file name of the script being executed
2. $ _ server ['server _ Protocol'] -- name and version of the communication protocol when requesting the page. For example, "HTTP/1.0 ".
3. $ _ server ['request _ time'
Some SERVER information is often used in PHP programming. the detailed parameters of $ _ SERVER are sorted out, you can easily use $ _ SERVER ['php _ SELF '] # file name of the script being executed, which is related to document root.
$ _ SERVER
This article provides a detailed analysis of the SERVER variable $ _ SERVER. For more information, see
In-depth analysis of the SERVER variable $ _ SERVER:
1. $ _ SESSION ['php _ SELF '] -- get the file name of the script being executed
2. $ _
$ _ SERVER [& amp; #39; PHP_SELF & amp; #39;] # file name of the script being executed, which is related to documentroot. $ _ SERVER [& amp; #39; argv & amp; #39;] # parameters passed to the script. $ _ SERVER [& amp; #39; argc & amp; #39;] #
PHP obtains client operating systems, browsers, languages, IP addresses, IP address locations, etc.
Class Client {// Obtain the function Get_Browser () {if (! Empty ($ _ SERVER ['http _ USER_AGENT ']) {$ br = $ _ SERVER ['http _ USER_AGENT']; if
Echo "complete set of system default variable commands ";Echo$ _ Server ['php _ Self ']. " the file name of the script being executed, which is related to document root. ",$ _ Server ['argv']. " parameters passed to the script ",$ _ Server ['argc
$ _ Server ['php _ Self '] # File Name of the script being executed, which is related to document root.$ _ Server ['argv'] # parameters passed to the script.$ _ Server ['argc '] # contains the number of command line parameters passed to the Program (
Introduction: This is a detailed page for $ _ server variables. It introduces PHP, related knowledge, skills, experiences, and some PHP source code.
Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 332946 '
For a new contact1. $ _ SESSION ['php _ SELF '] -- php server variable $ _ SERVER gets the file name of the currently executing script
2. $ _ SERVER ['server _ Protocol'] -- name and version of the communication PROTOCOL when requesting the page.
Php_server. SERVER variable $ _ SERVER details: 1. $ _ SESSION [PHP_SELF] -- get the file name of the currently executing script 2, $ _ SERVER [SERVER_PROTOCOL] -- Name of the communication protocol and version SERVER variable when requesting the
Some server information is often used in php programming. I paste the commonly used information in highlighted mode, and the rest will be placed behind it for future reference.
The code is as follows:
$ _ SERVER ['http _ ACCEPT_LANGUAGE '] //
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