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Class Phalcon\Mvc\Collection¶implements Phalcon\Mvc\CollectionInterface, Phalcon\DI\InjectionAwareInterface, Serializable This component implements a high level abstraction for NoSQL databases which works with documents Methods¶final public __construct ([Phalcon\DiInterface $dependencyInjector]) Phalcon\Mvc\Model constructor public setId (mixed $id) Sets a value for the _id property, creates a MongoId object if needed public MongoId getId () Returns the value of the _id property public setDI (Phalcon\DiInterface $dependencyInjector) Sets the dependency injection container public Phalcon\DiInterface getDI () Returns the dependency injection container protected setEventsManager (Phalcon\Events\ManagerInterface $eventsManager) Sets a custom events manager protected Phalcon\Events\ManagerInterface getEventsManager () Returns the custom events manager public Phalcon\Mvc\Model\ManagerInterface getModelsManager () Returns the models manager related to the entity instance public array getReservedAttributes () Returns an array with reserved properties that cannot be part of the insert/update protected useImplicitObjectIds () Sets if a model must use implicit objects ids protected Phalcon\Mvc\Collection setSource () Sets collection name which model should be mapped public string getSource () Returns collection name mapped in the model public Phalcon\Mvc\Model setConnectionService (string $connectionService) Sets the DependencyInjection connection service name public string getConnectionService () Returns DependencyInjection connection service public MongoDb getConnection () Retrieves a database connection public mixed readAttribute (string $attribute) Reads an attribute value by its name <?php
echo $robot->readAttribute('name');
public writeAttribute (string $attribute, mixed $value) Writes an attribute value by its name <?php
$robot->writeAttribute('name', 'Rosey');
public static Phalcon\Mvc\Collection cloneResult (Phalcon\Mvc\Collection $collection, array $document) Returns a cloned collection protected static array _getResultset () Returns a collection resultset protected static int _getGroupResultset () Perform a count over a resultset protected boolean _preSave () Executes internal hooks before save a document protected boolean _postSave () Executes internal events after save a document protected validate () Executes validators on every validation call <?php
use Phalcon\Mvc\Model\Validator\ExclusionIn as ExclusionIn;
class Subscriptors extends Phalcon\Mvc\Collection
{
public function validation()
{
$this->validate(new ExclusionIn(array(
'field' => 'status',
'domain' => array('A', 'I')
)));
if ($this->validationHasFailed() == true) {
return false;
}
}
}
public boolean validationHasFailed () Check whether validation process has generated any messages <?php
use Phalcon\Mvc\Model\Validator\ExclusionIn as ExclusionIn;
class Subscriptors extends Phalcon\Mvc\Collection
{
public function validation()
{
$this->validate(new ExclusionIn(array(
'field' => 'status',
'domain' => array('A', 'I')
)));
if ($this->validationHasFailed() == true) {
return false;
}
}
}
public boolean fireEvent (string $eventName) Fires an internal event public boolean fireEventCancel (string $eventName) Fires an internal event that cancels the operation protected boolean _cancelOperation () Cancel the current operation protected _exists () Checks if the document exists in the collection public Phalcon\Mvc\Model\MessageInterface [] getMessages () Returns all the validation messages <?php
$robot = new Robots();
$robot->type = 'mechanical';
$robot->name = 'Astro Boy';
$robot->year = 1952;
if ($robot->save() == false) {
echo "Umh, We can't store robots right now ";
foreach ($robot->getMessages() as $message) {
echo $message;
}
} else {
echo "Great, a new robot was saved successfully!";
}
public appendMessage (Phalcon\Mvc\Model\MessageInterface $message) Appends a customized message on the validation process <?php
use \Phalcon\Mvc\Model\Message as Message;
class Robots extends Phalcon\Mvc\Model
{
public function beforeSave()
{
if ($this->name == 'Peter') {
$message = new Message("Sorry, but a robot cannot be named Peter");
$this->appendMessage($message);
}
}
}
public boolean save () Creates/Updates a collection based on the values in the attributes public static Phalcon\Mvc\Collection findById (string|MongoId $id) Find a document by its id (_id) public static array findFirst ([array $parameters]) Allows to query the first record that match the specified conditions <?php
//What's the first robot in the robots table?
$robot = Robots::findFirst();
echo "The robot name is ", $robot->name, "\n";
//What's the first mechanical robot in robots table?
$robot = Robots::findFirst(array(
array("type" => "mechanical")
));
echo "The first mechanical robot name is ", $robot->name, "\n";
//Get first virtual robot ordered by name
$robot = Robots::findFirst(array(
array("type" => "mechanical"),
"order" => array("name" => 1)
));
echo "The first virtual robot name is ", $robot->name, "\n";
public static array find ([array $parameters]) Allows to query a set of records that match the specified conditions <?php
//How many robots are there?
$robots = Robots::find();
echo "There are ", count($robots), "\n";
//How many mechanical robots are there?
$robots = Robots::find(array(
array("type" => "mechanical")
));
echo "There are ", count($robots), "\n";
//Get and print virtual robots ordered by name
$robots = Robots::findFirst(array(
array("type" => "virtual"),
"order" => array("name" => 1)
));
foreach ($robots as $robot) {
echo $robot->name, "\n";
}
//Get first 100 virtual robots ordered by name
$robots = Robots::find(array(
array("type" => "virtual"),
"order" => array("name" => 1),
"limit" => 100
));
foreach ($robots as $robot) {
echo $robot->name, "\n";
}
public static array count ([array $parameters]) Perform a count over a collection <?php
echo 'There are ', Robots::count(), ' robots';
public static array aggregate (array $parameters) Perform an aggregation using the Mongo aggregation framework public static array summatory (string $field, [array $conditions], [string $finalize]) Allows to perform a summatory group for a column in the collection public boolean delete () Deletes a model instance. Returning true on success or false otherwise. <?php
$robot = Robots::findFirst();
$robot->delete();
foreach (Robots::find() as $robot) {
$robot->delete();
}
public array toArray () Returns the instance as an array representation <?php
print_r($robot->toArray());
public string serialize () Serializes the object ignoring connections or protected properties public unserialize ([unknown $serialized]) Unserializes the object from a serialized string public static array execute (mixed $code, [array $args]) Runs JavaScript code on the database server. <?php
$ret = Robots::execute("function() { return 'Hello, world!';}");
echo $ret['retval'], "\n";
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