[Proto-Scripty] Re: ajax.updater - json to fill select

[Eric]

Hello,

This is a little out of topic, but here are few hints:
The easiest way to do that is to build a PHP array, and to use
JSON_Encode to convert it into a JSON encoded string;
You also need to change the content-type of your response to let
prototype know it is actually JSON.

Simple example:
?php
$myCities = Array(Paris,Madrid,New-York,London);
header('Content-Type: application/json');
print json_encode($myCities);
?

Eric


On Jun 4, 11:15 am, Johan Arensman johanm...@gmail.com wrote:
 You can use basic Json, but this is basic javascript, not specific for
 prototype

 {
  cars: [
   {
     make: 'some make name',
     models: [
       { name: 'model 1' },
       { name: 'model 2' }
     ]
   },
   {
     make: 'some other make name',
     models: [
       { name: 'model 3' },
       { name: 'model 4' }
     ]
   },
  ]

 }

 Something like this?

 Greets,
  Johan

 On Fri, Jun 3, 2011 at 9:31 PM, Phil Petree phil.pet...@gmail.com wrote:
  Hey All!

  I'm biting the bullet and trying to break away from XML and go to json.

  I using Ajax.Updater to call cities.php which looks up the available cities
  for a given zip code (yes there can be more than one city - my zip has 4
  possibilities!) and return those in a select

  How do these need to be returned/formatted in php?

  Can anyone point me to one of the car/make/model examples?  I can't find
  one for prototype...

  Thanks,

  Pete

  --
  You received this message because you are subscribed to the Google Groups
  Prototype  script.aculo.us group.
  To post to this group, send email to
  prototype-scriptaculous@googlegroups.com.
  To unsubscribe from this group, send email to
  prototype-scriptaculous+unsubscr...@googlegroups.com.
  For more options, visit this group at
 http://groups.google.com/group/prototype-scriptaculous?hl=en.



-- 
You received this message because you are subscribed to the Google Groups 
Prototype  script.aculo.us group.
To post to this group, send email to prototype-scriptaculous@googlegroups.com.
To unsubscribe from this group, send email to 
prototype-scriptaculous+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/prototype-scriptaculous?hl=en.

Re: [Proto-Scripty] Re: ajax.updater - json to fill select

[Bertilo Wennergren]

Eric lefauv...@gmail.com wrote:

 The easiest way to do that is to build a PHP array, and to use
 JSON_Encode to convert it into a JSON encoded string;

Yes, that's the right way.

If you aim for an associative array you should however watch out for a
particular gotcha: If such an array has members, it will turn into a
JSON/Javascript _object_, which is exactly what you want, but if once
in a blue moon the associative PHP array happens to be empty, then you
won't get an empty JSON/Javascript object, but an empty
JSON/Javascript _array_! If you then do Object.keys(X).each() on that
supposed object, you'll get a nasty surprise. So always check if your
object is really an object. (I was bitten by this on several
occasions, and it hurt.)

-- 
Bertilo Wennergren
berti...@gmail.com http://bertilow.com

-- 
You received this message because you are subscribed to the Google Groups 
Prototype  script.aculo.us group.
To post to this group, send email to prototype-scriptaculous@googlegroups.com.
To unsubscribe from this group, send email to 
prototype-scriptaculous+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/prototype-scriptaculous?hl=en.