php - Rookie questions about json
Get the solution ↓↓↓I know this is a really rookie question but would like some understanding off where to start from guys in the know.
Say if i have a website called
www.example.com
and its a blog website with lots off blog posts.
I would like to setup the website so i can pull data from i via a http request. Take you tube for example.
http://gdata.youtube.com/feeds/api/videos?alt=json
if i paste this in the browser i get all the json which is great for me to use and pull from anywhere.
I would like to setup my website so that i can pull feeds in it from any other website through the http.
http://www.example.com/feeds/api/posts?alt=json
so i can then grab the json with jquery etc.
Can someone please give me a quick understanding off technologies that would be used for this.
Can i do this with php i have looked at curl does anyone now a good tutorial to get me rolling. would i be allowing a feed to my database for them to pull info from their? i am a bit confused to how i all work to be honest.
Any help from you guys would be great ;)
Answer
Solution:
You have two options.
API
This involves creating an interface to your application. Read http://www.gen-x-design.com/archives/create-a-rest-api-with-php/ for details.
Feed
You essentially create a read-only output of your data in a previously specified format. Read http://www.ibm.com/developerworks/library/x-phprss/ for details.
Answer
Solution:
Docs:
http://php.net/manual/en/book.json.php
http://www.php-mysql-tutorial.com/wikis/php-tutorial/reading-a-remote-file-using-php.aspx
http://is449w.blogspot.com/2010/03/parsing-json-response-with-php.html
In simply way: PHP has functions to work with JSON (encode and decode objects)
an array in json["a","b","c"]
will become an array in php{"a","b","c"}
simply by calling
$myarray = json_decode("[\"a\",\"b\",\"c\"]")
Grabbing an remote JSON (API) output is thing discussed in second link i posted (reading a remote file using php), you have several options, whereCURL
is probably the most complex andfile_get_contents
most simply
usual steps are
- Get address of remote feed/api (via url attribute or from database)
- Grab the remote URL
- Push contents of remote URL into View (html template file) or
request it from server viajQuery ajax
and work with it directly
Please note a rule about insecure cross-domain access
( Accessing web Service from jQuery - cross domain )
And second note is about implementing security authentication to your API/feed output, if you need it to work privately
Web API Security
PHP API Key Generator
API Security: how to restrict access by domain?
Having security in API System | PHP cuRL
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