Using MongoDb in the PHP Phalcon framework

Question

I am currently experimenting with the Phalcon Framework, and running into some complications when I attempt to save content into the Mongo Database. I can correctly setup the MySQL database without issues. Whenever I send the simple request through I get a 500 Internal server error (checking devTools). I have setup everything accordingly as the documentation specifies. This is my simple index.php bootstrap Mongo initialisation along with the collection manager:

// Setting Mongo Connection
$di->set('mongo', function() {
    $mongo = new Mongo();
    return $mongo->selectDb("phalcon");
}, true);

// Setting up the collection Manager
$di->set('collectionManager', function(){
    return new Phalcon\Mvc\Collection\Manager();
}, true);

This is my controller handling the request:

public function createAction() {
    $user = new User();

    $user->firstname = "Test ACC";
    $user->lastname = "tester";
    $user->password = "password";
    $user->email = "[email protected]";

    if($user->create() == false) {
        echo 'Failed to insert into the database' . "\n";
        foreach($user->getMessages as $message) {
            echo $message . "\n";
        }
    } else {
        echo 'Happy Days, it worked';
    }

}

And finally my simple User class:

class User extends \Phalcon\Mvc\Collection {

public $firstname;
public $lastname;
public $email;
public $password;
public $created_at = date('Y-m-d H:i:s');

}

Much appreciated for everyones input/suggestions.

I know that, sorry. What is the output of tail -f /var/log/httpd/error_log when you get the 500 error? — brian
Based on the logs it says that the Mongo() class cannot be found. It is chucking a PHP fatal error. Any ideas why? I have mongo installed on my server> — Maff
Not enough. Try Phalcon\Cache\Backend\Mongo instead of just Mongo. — brian

Lukas Liesis Lukas Liesis · Accepted Answer · 2014-02-02T07:09:42

i think it's because your installation of Mongo is not valid.

try printing phpinfo() and check if mongo is loaded at all, if not - install it, add to ini files (if you use cli, don't forget to add to cli ini too) and reach the moment, when mongo is fully loaded.

try mongo w/o phalcon. any simple connection/insertation. you can see here: Fatal Error - 'Mongo' class not found that there are problems with apache module version for some people. Try reinstalling different mongo version.

if you can print this out:

echo Phalcon\Version::get();

there should be no problems with phalcon instalation

to validate mongo installation, try any of examples from php.net:

http://www.php.net/manual/en/mongo.tutorial.php

Using MongoDb in the PHP Phalcon framework

2 Answers