Regexp: extract several components

[TheJuice]

Hi,
I'd like to know if there is a simple way to extract several elements of a string?

Namely, I have something like:
[url]http://.../modules.php?name=Prototypes&a=1&b=2&access_id=5&show_history=true&o_table=list&filter=can[/url]

I want to extract this:
&show_history=true&o_table=list&filter=can
The problem is that these represent several options: they can be set or not... And not always in this order...

I could write this:
$options='';
if (eregi('&filter=[^&]', $url, $regs) {
$options.=$regs[0]; }
if (eregi('&o_table=[^&]', $url, $regs) {
$options.=$regs[0]; }
if (eregi('&show_history=[^&]*', $url, $regs) {
$options.=$regs[0]; }

But this is not very clean, and what I'm asking is: Can I do this in one line ?

[diego25]

You can use substr and strpos (or just parse_url) to get the query string of the URL. Then use the parse_str function to get each argument into an array. So now all your arguments are in an array, so you can use a for loop to loop through them and do whatever you want.

Diego