<?php
 $url=file_get_contents("https://en.wikipedia.org/w/api.php?action=query&titles=Haw%20Par%20Villa&prop=revisions&rvprop=content&format=json");
 $decode=json_decode($url,true);
 $slice=array_slice($decode, 1);
 $content=array_values($slice['query']['pages'])[0]['revisions'][0]['*'];
 echo $content;
?>