PHP obtains the real address instance to jump.

Now there are a lot of short Web site applications, click to jump to shorten the previous web site, then today let's take a look, PHP how to get short Web site jump to the previous web site, in fact, is also very simple, is to use php g

Now there are a lot of short Web site applications, click to jump to shorten the previous web site, then today let's take a look, PHP how to get short Web site jump to the previous web site, in fact, is also very simple, it is to use the get_headers function of php to obtain Response Headers, and then analyze it slowly.

The code is as follows:

1. $ Header = get_headers ($ url, 1 );
2. If (strpos ($ header [0], '000000') | strpos ($ header [0], '000000 ′)){
3. If (is_array ($ header ['location']) {
4. Return $ header ['location'] [count ($ header ['location'])-1];
5. } Else {
6. Return $ header ['location'];
7. }
8. } Else {
9. Return $ url;
10. }

Example 2: The code is as follows: