2

Usually when I create some form of query, I use an array for my arguments like this:

$postslistArgs = array( 
    'child_of' => 320,
    'parent' => 320
);                          
$postslist = get_pages($postslistArgs);

There are other times, however, when I need/want to use URI-style query parameters like this:

get_pages('child_of=320&parent=320');

That's all straightforward, but is there any way possible to use the URI parameter style on more advance union/intersection queries such as post__not_in that require an array of IDs?

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1 Answer 1

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3

WP_Query uses PHP's native parse_str function, which uses the following structure to denote arrays:

'post__not_in[]=1&post__not_in[]=2&post__not_in[]=3'

is the same as

array(
  'post__not_in' => array( 1,2,3 )
)
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2
  • Wow, never knew this is possible. Thought some stuff is array-only. Commented Sep 27, 2010 at 6:14
  • Yeah, it should be noted that this will only work for values for which WordPress' class WP will take an array. So, for example, even though you can pass an array of post types to WP_Query, you can't send an array of post types through the url; WordPress doesn't understand the request, since WP expects a string value only. I think there's a patch that fixes this in 3.1, although I'd have to double check on that. Commented Sep 27, 2010 at 12:28

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