3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s='{"id":0,"keywords":"hello","tags":[],"cat":1,"lang":0,"src":"http://www.bing.com/","modified":null,"literals":[],"raw":1,"title":"hedayat","description":"Hedayat is building new generation of search engines","image":"image.com/png","author":"Hedayat Yazdani","network":0,date:1456566}'; echo rawurlencode($s); ?>
based on Fta38
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
%7B%22id%22%3A0%2C%22keywords%22%3A%22hello%22%2C%22tags%22%3A%5B%5D%2C%22cat%22%3A1%2C%22lang%22%3A0%2C%22src%22%3A%22http%3A%2F%2Fwww.bing.com%2F%22%2C%22modified%22%3Anull%2C%22literals%22%3A%5B%5D%2C%22raw%22%3A1%2C%22title%22%3A%22hedayat%22%2C%22description%22%3A%22Hedayat%20is%20building%20new%20generation%20of%20search%20engines%22%2C%22image%22%3A%22image.com%2Fpng%22%2C%22author%22%3A%22Hedayat%20Yazdani%22%2C%22network%22%3A0%2Cdate%3A1456566%7D