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Slight problem, I have the following code:

$purchaseprodid = $_GET['ids'];
$args = array(
                  'post_type' => 'prizes',
                  'post__in' => array($purchaseprodid)
                  );
                query_posts($args);

                while (have_posts()) : the_post();

I am getting comma seperated numbers for id's in a url, and they dont seem to be querying the posts. If I manually type the id's in they work no problem, but just not when using a variable $purchaseprodid.

Any ideas?

Thanks!

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2 Answers 2

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2

You need to explode the string you obtain from $_GET['ids'] into an array, at the moment you a parsing a to string post__in rather than an array of IDs.

Try

$purchaseprodid = isset($_GET['ids']) ? explode(',',$_GET['ids']) : array();

However, you can sometimes run into difficulties using $_GET with WordPress, it's better to use the API provided and register your variable, see this question.

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You can instead use the standard WordPress function wp_parse_id_list like this:

$purchaseprodid = isset( $_GET['ids'] ) ? wp_parse_id_list( $_GET['ids'] ) : array();

that checks that the input data is not already an array, clears duplicates and converts the type of each array element to integer.

More info at:

https://developer.wordpress.org/reference/functions/wp_parse_id_list/

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