I am trying to create a nested JSON array with the results of the second query being attached to the rows of the first.
My code so far is as follows:-
$output = array();
$sql = "select cp_comments.*,users.user_login from ".$wpdb->prefix."cp_comments cp_comments
left join ".$wpdb->prefix."users users on users.ID=cp_comments.uid
where songid='$id'
order by cp_comments.id asc";
$comments = $wpdb->get_results($sql);
foreach($comments as $c){
$sql = "select cp_replies.*,users.user_login from ".$wpdb->prefix."cp_replies cp_replies
left join ".$wpdb->prefix."users users on users.ID=cp_replies.uid
where cp_replies.cid='".$c->id."'
order by cp_replies.id asc";
$replies = $wpdb->get_results($sql);
$output['comment-'.$c->id] = $c;
if($replies){
foreach($replies as $r){
// The line below causes the problem
//$output['comment-'.$c->id][] = $r;
}
}
}
echo json_encode( $output );
As you can see what I am attempting to do is retrieve the results of query-1, lop through them and populate an array. So far so good. Then for each row in the resultset, perform a second query, using $c->id as a variable to dynamically change the second query dependant upon the id, then nest this data within each returned row of the first query.
The line I have commented out causes an error:-
Fatal error: Cannot use object of type stdClass as array in
Although I have a rough understanding of why this error is happening, I do not know how to fix it and when I have tried a standard multidimensional array using while loops etc, I was then not able to access the $c->$id variable making the whole second query worthless.
Essentially I would like the data returned in this format:-
{ "comment-2" : [ { "avatar" : "http://www.songbanc.com/wp-content/uploads/avatars/1/8bb11e958a26913e2c13393014e854d5-bpthumb.jpg",
"body" : "More tests....",
"display_name" : "admin",
"id" : "26",
"playtime" : 36.206896551699998,
"posttime" : "2011-10-08 11:11:55",
"cid" : "26",
"songid" : "30",
"uid" : "1",
"user_login" : "admin",
"user_url" : "http://www.songbanc.com/members/admin/"
"cid": "1",
"replies" : [ { "cid" : "26",
"body" : "test reply",
"posttime" : "2011-10-08 11:11:55"
}]
},
It is currently 2 dimensional however without the 'replies'.