$c=curl_init('https://pl.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro=&explaintext=&titles=Makaron');
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
$dane=curl_exec($c);
curl_close($c);
$tablica=json_decode($dane,true);

foreach($tablica['query']['pages'] as $art) {
    echo $art['extract'];
}