fetching json response instead of php in ios

Question

I am currently using a really inefficient way of retrieving data from mysql. I wrote very small script to test the functionality (I am very new to ios development). Here is the end of the script which is my main concern:

$fp = fopen('results.json', 'w');
fwrite($fp, json_encode($articles));
fclose($fp);

so i change my results from query to json and then write it to file with .json so that I read it using objective-c. it works but I can see this being a problem (every time creating files and deleting them when querying the database). This is the ios end of things:

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
    NSData* data = [NSData dataWithContentsOfURL:
                    [NSURL URLWithString: @"http://link/results.json"]];

    NSError* error;

    eventsArray = [NSJSONSerialization JSONObjectWithData:data
                                             options:kNilOptions
                                               error:&error];

    dispatch_async(dispatch_get_main_queue(), ^{
        [self.tableView reloadData];
    });
});

How can I make my php script return json instead of writing it to file and then just read that with objective-c? I am interested in obj-c part so please emphasise as much as possible.

greatly appreciated :D

Answer 1

Does echo json_encode($articles); help you?