Today, I am sharing a PHP app that obtains the location of the app based on the client IP address. I have been using this app for a long time and I feel that this interface is still stable. Although there are many similar items on the Internet, I think this is quite good. The core code can be implemented in only three lines. Although the function is not very powerful, we usually use it. The following code is used:
| The code is as follows: | Copy code |
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <Html xmlns = "http://www.w3.org/1999/xhtml"> <Head> <Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312"/> <Title> obtain the region through IP address </title> </Head>
This article from the generation of Ruibo customer original address: http://www.daixiaorui.com/read/3.html <Body> <Form action = "" method = "post"> <P> enter an ip address: <input type = "text" name = "ip"/> </p> <P> <input type = "submit" value = "query"/> </p> </Form> <? Php // Obtain the IP address // $ Ip = $ _ SERVER ['remote _ ADDR ']; // automatically obtains the IP address of the client. // Region corresponding to the ip address If (! Empty ($ _ POST ['IP']) { $ Ip = $ _ POST ['IP']; // Interface address, which returns an xml result set, as shown in Figure 1; $ Str = file_get_contents ("http://www.yodao.com/smartresult-xml/search.s? Type = ip & q = ". $ ip ); // Here we need to get the address information. There are many xml extraction methods, and I use regular expressions. Preg_match_all ("/<location> (.*?) </Location>/", $ str, $ addr1 ); // The final result, as shown in figure 2; $ Addr = $ ip. "=>". $ addr1 [1] [0]; Echo $ addr; } ?> </Body> </Html> |
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Figure 1: returned data
Figure 2: query successful
If you like it, you can try it and get a few lines of code. I think it is quite practical !!
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