Long Polling

[Mittineague]

If possible, please discuss the PHP aspects in this topic, and the JavaScript in

Jquery JSON parse returns undefined

Hello everyone. I’m trying to create a long polling with php , jquery and ajax. The file “server.php” encodes a json of the last row inserted in mysql. If i run it directly it shows up correctly, for example: ["87","2017-11-20","2017-11-20 09:43:02","lunedi 9.42","","5"] when I run the “results” file , it keeps looping and it say “undefined”. here the CLIENT.JS function getContent( timestamp ) { var queryString = { 'timestamp' : timestamp }; $.get ( 'http://127.0.0.1/server/serve…