Php: obtain the browser type of the visitor's browser page _ php instance-PHP source code

Recently, the project requires some different processing based on the browser type of the user, so I studied a little bit about how to use php to determine the browser type, the following article describes how to obtain the browser type of a visitor's browser page in php. For more information, see. Recently, the project requires some different processing based on the browser type of the user, so I studied a little bit about how to use php to determine the browser type, the following article describes how to obtain the browser type of a visitor's browser page in php. For more information, see.

The method is as follows:

Check your agent string, which is part of the HTTP request sent by the browser. Use $_SERVER['HTTP_USER_AGENT']Obtain the agent string.

For example:

It may be printed like this:

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

Encapsulated as a function:

Function my_get_browser () {if (empty ($ _ SERVER ['http _ USER_AGENT ']) {return 'robot! ';} If (false = strpos ($ _ SERVER ['http _ USER_AGENT'], 'msi ')) & (strpos ($ _ SERVER ['http _ USER_AGENT '], 'trigger ')! = FALSE) {return 'Internet Explorer 11.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'msie 10.0') {return 'Internet Explorer 10.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'msie 9.0') {return 'Internet Explorer 9.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'msie 8.0') {return 'Internet Explorer 8.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'msie 7.0') {return 'Internet Explorer 7.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'msie 6.0') {return 'Internet Explorer 6.0 ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'Edge') {return 'Edge ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'Firefox') {return 'Firefox ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'Chrome') {return 'Chrome ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'Safari') {return 'Safari ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'Opera') {return 'Opera ';} if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], '360se') {return '360se';} // browser if (false! = Strpos ($ _ SERVER ['http _ USER_AGENT '], 'micromessage') {return 'micromessage' ;}>}

Summary

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