How to identify whether an Android system is used

How does one identify whether the client is an ANDRIOID system? Sharing: how to identify whether it is an Android system
How can I identify whether the client is an ANDRIOID system?
Share:
------ Solution --------------------
If (preg_macth ('@ android @ I', $ _ SERVER ['http _ USER_AGENT ']) {

}

------ Solution --------------------
Reference:

If (preg_macth ('@ android @ I', $ _ SERVER ['http _ USER_AGENT ']) {

}

It is better to use stripos, so you don't have to worry about regular expressions.
If (stripos ('Android', $ _ SERVER ['http _ USER_AGENT '])! = FALSE ){

}
------ Solution --------------------
Determine iphone pc android based on user agent

Write it in the blog.
Http://blog.csdn.net/aaronlp/article/details/10389203