json decode into array - php

Question

I'm trying to store the titles in an array and extract the long cmcontinue string from the below url.
http://en.wikipedia.org/w/api.php?action=query&list=categorymembers&cmtitle=Category:1980_births&format=json
my current code:
$url = 'http://en.wikipedia.org/w/api.php?
action=query&list=categorymembers&cmtitle=Category:'.$cat.'&format=json';
$ch = curl_init($url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_USERAGENT, "asdf");
$c = curl_exec($ch);
$json = json_decode($c);
$array = $json->{'query'}->{'categorymembers'}->{'title'};

Answer 1

try adding second paremeter of json_decode, like:
$json = json_decode($c, true);
And get cmcontinue value as:
echo $json["query-continue"]["categorymembers"]["cmcontinue"];
For titles:
$titles = array();
foreach($json["query"]["categorymembers"] as $vals) {
array_push($titles, $vals["title"]);
}
echo "<pre>"; print_r($titles);