Phalcon7 模型的使用

<?php

use Phalcon\Mvc\Model;

class Robots extends Model
{
    public $id;

    public $name;

    public $price;
}

<?php

use Phalcon\Mvc\Model;

class Robots extends Model
{
    protected $id;

    protected $name;

    protected $price;

    public function getId()
    {
        return $this->id;
    }

    public function setName($name)
    {
        // The name is too short?
        if (strlen($name) < 10) {
            throw new \InvalidArgumentException('The name is too short');
        }
        $this->name = $name;
    }

    public function getName()
    {
        return $this->name;
    }

    public function setPrice($price)
    {
        // Negative prices aren't allowed
        if ($price < 0) {
            throw new \InvalidArgumentException('Price can\'t be negative');
        }
        $this->price = $price;
    }

    public function getPrice()
    {
        // Convert the value to double before be used
        return (double) $this->price;
    }
}

<?php

namespace Store\Toys;

use Phalcon\Mvc\Model;

class Robots extends Model
{
    // ...
}

<?php

namespace Store\Toys;

use Phalcon\Mvc\Model;

class Robots extends Model
{
    public $id;

    public $name;

    public function initialize()
    {
        $this->hasMany('id', 'Store\Toys\RobotsParts', 'robots_id');
    }
}

<?php

// Get all robots
$robots = Robots::find();

// Traversing with a foreach
foreach ($robots as $robot) {
    echo $robot->name, "\n";
}

// Traversing with a while
$robots->rewind();
while ($robots->valid()) {
    $robot = $robots->current();
    echo $robot->name, "\n";
    $robots->next();
}

// Count the resultset
echo count($robots);

// Alternative way to count the resultset
echo $robots->count();

// Move the internal cursor to the third robot
$robots->seek(2);
$robot = $robots->current();

// Access a robot by its position in the resultset
$robot = $robots[5];

// Check if there is a record in certain position
if (isset($robots[3])) {
   $robot = $robots[3];
}

// Get the first record in the resultset
$robot = $robots->getFirst();

// Get the last record
$robot = $robots->getLast();

<?php

// Query all records from model parts
$parts = Parts::find();

// Store the resultset into a file
file_put_contents("cache.txt", serialize($parts));

// Get parts from file
$parts = unserialize(file_get_contents("cache.txt"));

// Traverse the parts
foreach ($parts as $part) {
    echo $part->id;
}

<?php

$customers = Customers::find()->filter(
    function ($customer) {

        // Return only customers with a valid e-mail
        if (filter_var($customer->email, FILTER_VALIDATE_EMAIL)) {
            return $customer;
        }
    }
);

<?php

$customers = Customers::find();
$arr = $customers->toArray();

<?php

// Query robots binding parameters with string placeholders
$conditions = "name = :name: AND type = :type:";

// Parameters whose keys are the same as placeholders
$parameters = array(
    "name" => "Robotina",
    "type" => "maid"
);

// Perform the query
$robots = Robots::find(
    array(
        $conditions,
        "bind" => $parameters
    )
);

// Query robots binding parameters with integer placeholders
$conditions = "name = ?1 AND type = ?2";
$parameters = array(1 => "Robotina", 2 => "maid");
$robots     = Robots::find(
    array(
        $conditions,
        "bind" => $parameters
    )
);

// Query robots binding parameters with both string and integer placeholders
$conditions = "name = :name: AND type = ?1";

// Parameters whose keys are the same as placeholders
$parameters = array(
    "name" => "Robotina",
    1      => "maid"
);

// Perform the query
$robots = Robots::find(
    array(
        $conditions,
        "bind" => $parameters
    )
);