Updating sharding document with ISODate in PHP

[Onyon]

Hi, i have some sharding enable collection called blog with name and saved_at (ISODate) for its shard keys. when updating comments that embedding in its documents, ISODate need to be called and also name, for its shard keys. in the shell, the command look like:

mongos> db.blog.update({'name':'myname','saved_at':ISODate('2012-09-19T03:47:44.602Z')}, {$set: {'comment':'its my first comment for sample.'}};

my question is: How to implement it to PHP code?. i still confuse about an ISODate issue in mongoDB - PHP. i've tried to searching it at Google but not find the best result to solve that problem.
Thank you.

[Gianfranco]

Here's an example:

1. // Connect
2. $m = new Mongo();
3.  
4. // Select a database
5. $db = $m->test;
6.  
7. // Select a collection (analogous to a relational database's table)
8. $collection = $db->blog;
9.  
10. // Description of the objects to update.
11. $criteria = array("name" => "myname", "saved_at" => $date);
12.  
13. // The object with which to update the matching records.
14. $newdata = array('$set' => array("comment" => "its my first comment for sample."));
15.  
16. // Do the update
17. $collection->update($criteria, $newdata);
18.  
19. // Iterate through the results
20. foreach ($cursor as $obj) {
21.     echo $obj["name"] . " " . date('Y-M-d h:i:s', $obj["saved_at"]->sec) . " " .  $obj["comment"] . "\n";
22. }

And if you look in the shell you see an ISODate():

1. > db.cartoons.find()
2. { "_id": ObjectId("5059f8443e20d65344000000"), "name": "myname", "comment": "its my first comment for sample.", "saved_at": ISODate("20120919T02:47:44Z") }

[Onyon]

Thanks Gianfranco, but i still have a trouble in using ISODate value in document which will updated.
How about $date in line 11 if i throw the saved_at value from a field in another form? here's my form:

<form action="addcomment.php" method="post">
  <input name="name" value="<?php echo $blog['name']; ?>"/>
  <input name="saved_at" value="<?php echo $blog['saved_at']; ?>"/>
  <input type="submit" name="submit" value="Post"/>
</form>

its reads 0.29500000 1348043425 but ISODate in the shell like "saved_at": ISODate("2012-09-19T08: 30: 25.295Z").
How i use its ISODate value to updating document?

[Gianfranco]

As I mentioned in line 21, when you output in php you'll need to convert the MongoDate to string with a format similar to:

date('Y-M-d h:i:s', $obj["saved_at"]->sec)

[Ardian P. Atmaja]

it's still not working, Gianfranco. it returns like '1970-01-01'. finally i changed the 'saved_at' type to date('Y-m-d H:i:s') on save function so in the collection shows '12-09-20 01-02-16', for example. the new update query is:

mongos> db.blog.update({'name':'myname','saved_at':'12-09-20 01-02-16', {$set: {'comment':'its my first comment for sample.'}};

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[Gianfranco]

Where is this happening in PHP or the Mongo shell (JavaScript) ?

Are you trying to do the update on PHP and verify in the shell? Or the opposite?

It's not clear