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Best way to add/change 1 GET value while keeping others?

Answer 1

+3 A:

Col. Shrapnel 2010-06-03 14:40:01

also, parse_str. Parse the querystring into an array with parse_star, alter only the keys you deem necessary, and then feed the array to http_build_query. I've used this technique with success.

Frank Farmer 2010-06-03 14:43:26

@Frank time to learn $_GET array, pal :)

Col. Shrapnel 2010-06-03 14:49:20

@Shrapnel: sometimes you want to manipulate a URL other than that of the currently requested page. e.g., I used the above technique to add google analytics tracking tags to every URL in an html email.

Frank Farmer 2010-06-03 21:54:47

Answer 2

+3 A:

You can parse the url with parse_str to get the values of the url. You can then build a http query by using http_build_query:

$query_arr = $_GET; //or parse_str($_SERVER['QUERY_STRING'], $query_arr)
$query_arr["page"] = 2;
$query_arr["size"] = 8;

$query = http_build_query($query_arr);

EDIT: Sorry I mixed up the two functions ... its parse_str() of course.

Simon 2010-06-03 14:43:24

Hi this "seems" like exactly what I need. However I don't think parse_query is a built in PHP function. I tried replacing it with parse_url but that just gives me an array of the different parts of the url (e.g. scheme, host, path, etc.)

John Isaacks 2010-06-03 14:56:36

OK I got it to work using your code but changing lines 1 and 2 to just $query_arr = $_GET

John Isaacks 2010-06-03 15:03:33

Yeah... sorry, see edit

Simon 2010-06-03 15:07:40

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Best way to add/change 1 GET value while keeping others?

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