models.php

<?php

class Robots extends Phalcon\Mvc\Model
{
  public function initialize()
	{
		$this->hasMany('id', 'RobotsParts', 'robots_id');
	}
}

class Parts extends Phalcon\Mvc\Model
{

}

class RobotsParts extends Phalcon\Mvc\Model
{
	public function initialize()
	{
		$this->belongsTo('robots_id', 'Robots', 'id');
		$this->belongsTo('parts_id', 'Parts', 'id');
	}
}

saving_existing_belongs_to.php

<?php

//Querying a robot, Querying a part, creating a robots_parts, saving all together

$robot = Robots::findFirst();
$part = Parts::findFirst();

$robotPart = new RobotsParts();
$robotPart->robots = $robot;
$robotPart->parts = $part;

if(!$robotPart->save()){	
	var_dump($robotPart->getMessages());
}

saving_has_many.php

<?php

$part = Parts::findFirst();

//Creating a robot part, creating a robot, saving the robot and its part

$robotPart = new RobotsParts();
$robotPart->parts_id = $part->id;

$robot = new Robots();
$robot->type = "Future";
$robot->name = "Bender";
$robot->year = 1999;

$robot->robotsParts = $robotPart;

if(!$robot->save()){
	$messages = $robot->getMessages();
	var_dump((string) $messages[0]);
}

saving_multiple_instances_has_many.php

<?php

$part1 = Parts::findFirst(1);
$part2 = Parts::findFirst(2);

//Creating a robot part, creating a robot, saving the robot and its multiple parts

$robotPart = new RobotsParts();
$robotPart->parts_id = $part->id;

$robotPart1 = new RobotsParts();
$robotPart1->parts_id = $part1->id;

$robotPart2 = new RobotsParts();
$robotPart2->parts_id = $part2->id;

$robot = new Robots();
$robot->type = "Future";
$robot->name = "Bender";
$robot->year = 1999;

$robot->robotsParts = array($robotPart1, $robotPart2);

if(!$robot->save()){
	$messages = $robot->getMessages();
	var_dump((string) $messages[0]);
}

saving_new_records.php

<?php

//Creating a robot, creating a part, creating a robots_parts, saving all together

$robot = new Robots();

$robot->type = "Future";
$robot->name = "Bender";
$robot->year = 1999;

$part = new Parts();
$part->name = "Arms";

$robotPart = new RobotsParts();
$robotPart->robots = $robot;
$robotPart->parts = $part;

if(!$robotPart->save()){	
	var_dump($robotPart->getMessages());
}

test.php

<?php

$di = new Phalcon\DI();

$di['db'] = new Phalcon\Db\Adapter\Pdo\Mysql(array(
	'hostname' => 'localhost',
	'username' => 'root',
	'password' => '',
	'dbname' => 'phalcon_test'
));

$di['modelsManager'] = new Phalcon\Mvc\Model\Manager();
$di['modelsMetadata'] = new Phalcon\Mvc\Model\MetaData\Memory();