Php get url address some Function Summary

Many functions can be used to obtain url addresses in php. The global variable server provides me with many methods. let's take a look. Common functions: Get domain name or host

Many functions can be used to obtain url addresses in php. The global variable server provides me with many methods. let's take a look.

Common functions:

1. // Obtain the domain name or host address
2. Echo $ _ SERVER ['http _ host']."
   "; # Localhost
3. // Obtain the webpage address
4. Echo $ _ SERVER ['php _ SELF ']."
   "; #/Blog/testurl. php
5. // Obtain URL parameters
6. Echo $ _ SERVER ["QUERY_STRING"]."
   "; # Id = 5
7. // Obtain the user proxy
8. Echo $ _ SERVER ['http _ referer']."
   ";
9. // Obtain the complete url
10. Echo 'http: // '. $ _ SERVER ['http _ host']. $ _ SERVER ['request _ url'];
11. Echo 'http: // '. $ _ SERVER ['http _ host']. $ _ SERVER ['php _ SELF']. '? '. $ _ SERVER ['query _ string'];
12. # Http: // localhost/blog/testurl. php? Id = 5
13. // Complete url containing the port number
14. Echo 'http ://'. $ _ SERVER ['server _ name']. ':'. $ _ SERVER ["SERVER_PORT"]. $ _ SERVER ["REQUEST_URI"];
15. # Http://www.phpfensi.com/blog/testurl. php? Id = 5
16. // Only take the path
17. $ Url = 'http: // '. $ _ SERVER ['server _ name']. $ _ SERVER ["REQUEST_URI"];
18. Echo dirname ($ url );
19. # Http: // localhost/blog

Take a look at the example to obtain the complete url. the code is as follows:

2. // Description: obtain the complete url
3. Function curpageurl ()
4. {
5. $ Pageurl = 'http ';
6. If ($ _ server ["https"] = "on ")
7. {
8. $ Pageurl. = "s ";
9. }
10. $ Pageurl. = "://";
11. If ($ _ server ["server_port"]! = "80 ")
12. {
13. $ Pageurl. = $ _ server ["server_name"]. ":". $ _ server ["server_port"]. $ _ server ["request_uri"];
14. }
15. Else
16. {
17. $ Pageurl. = $ _ server ["server_name"]. $ _ server ["request_uri"];
18. }
19. Return $ pageurl;
20. }
21. ?>