Discussion: PHP get domain name and domain name IP address method

Source: Internet
Author: User
Tags php regular expression
    1. Global array
    2. echo $_server["Http_host"];
    3. The bbs.it-home.org will be output.
Copy Code

Local tests will output localhost.

Method 2, using the Parse_url function;

 
      ";p Rint_r ($arr); echo"
";? >

The output is an array with the result:

Array ([scheme] = Http[host] [Bbs.it-home.org[path] =/index.php[query] = referer=jbxue.com)

Description: Scheme corresponds to the protocol, the host corresponds to the domain name, path corresponds to the path of the execution file, and query corresponds to the relevant parameters;

Method 3, use a custom function.

 
      

Method 4, use the PHP regular expression.

 
      
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