php + regex - extract parameter data from a string

Asked Oct 31 '16 at 15:42

Active Oct 31 '16 at 16:36

Viewed 65 times

I need to parse through a list of url strings and extract certain parameter values.

These strings are from a database NOT using POST or GET.

Here is an example url string and the goal is to extract the user_id part of the string.

https://www.example.com/?action=get_my_messages&user_id=9825&session_token=1463812ecbfa4

NOTE: the parameter order of the string might be different with different strings and in some cases the user_id might not even exist.

FOUND SOLUTION

$query = parse_url($request_string, PHP_URL_QUERY);
parse_str($query, $params);
$user_id= $params['user_id'];

OBTAINED THE SOLUTION FROM THIS POST BELOW

How do I extract query parameters from a URL string in PHP?

edited May 23 '17 at 12:33

Community

asked Oct 31 '16 at 15:42

Craig Edmonds

Everything here will be in the `$_GET` array. No need to parse or regex. For example `$_GET['user_id']` will have your value. – Jay Blanchard Oct 31 '16 at 15:43
1

did you try something ? – Fky Oct 31 '16 at 15:43
[`parse_url`](http://php.net/manual/en/function.parse-url.php) + [`parse_str`](http://php.net/manual/en/function.parse-str.php) – iainn Oct 31 '16 at 15:44
That's overkill @iainn – Jay Blanchard Oct 31 '16 at 15:44
@JayBlanchard It sounds like these URLs are coming from a file/etc, rather than just being the URL of the script. But maybe not. – iainn Oct 31 '16 at 15:45
I thought the example was pretty clear @iainn, but you could be right. – Jay Blanchard Oct 31 '16 at 15:46
Yes, these strings are coming from a database, I just need to parse them and extract the user_id and then update another table in the database. – Craig Edmonds Oct 31 '16 at 15:47
@chris85 - thanks! exactly what I was looking for. – Craig Edmonds Oct 31 '16 at 16:03
@chris85 I can reopen and someone else can dupe. It will not allow me to reclose. – Jay Blanchard Oct 31 '16 at 16:26

0 Answers0