Тестовое задание

test.php

<?php

/**
 * @author Xsaven
 * @copyright 2016
 */


$factory = new Factory();

$factory->addRobot(new robot()) //Добовление роботов
    ->addRobot(new robot(array(
        'type' => 'MAZDA',
        'weight' => 250.3,
        'speed' => 130.2,
        'model' => 'A2'
    )))
    ->addRobot(new robot(array(
        'type' => 'BMW',
        'weight' => 280.1,
        'speed' => 11,
        'model' => 'A3'
    )));
    
    

$serchRobots = $factory->serch('BMW'); //Вывидет массив всех роботов типа 'BMW'

echo $factory->getSpeed(); //Скорость всех роботов
echo $factory->getSpeed($serchRobots); //Скорость всех роботов с результата поиска

echo $factory->getWeight(); //Вес всех роботов
echo $factory->getWeight($serchRobots); //Вес всех роботов с результата поиска

$allRobost = $factory->robots; //Массив всех роботов





class Factory
{
    public $robots = array();
    
    public function addRobot($obj){
        $this->robots[] = array(
            'type' => $obj->type,
            'weight' => $obj->weight,
            'speed' => $obj->speed,
            'model' => $obj->model,
        );
        
        return $this;
    }
    
    public function serch($serch){
        $finded = array();
        foreach($this->robots as $array){ 
            $key = array_search($serch, $array);
            if($key!==FALSE) $finded[] = $array; 
        }
        if(count($finded)) return $finded;
        else return false;
    }
    
    public function getSpeed($serchResult = array()){
        $speed = 0;
        if(count($serchResult)) foreach($serchResult as $array) $speed += $array['speed'];
        else foreach($this->robots as $array) $speed += $array['speed'];
        return $speed;
    }
    
    public function getWeight($serchResult = array()){
        $weight = 0;
        if(count($serchResult)) foreach($serchResult as $array) $weight += $array['weight'];
        else foreach($this->robots as $array) $weight += $array['weight'];
        return $weight;
    }
}

class robot
{
    public $type = 'BMW';
    public $weight = 200;
    public $speed = 1.5;
    public $model = 'A1';
    
    public function __construct($data=array()) {
        foreach($data as $key => $val) $this->$key = $val;
    }
    
    public function getParams($paramName){
        if(isset($this->$paramName)) return $this->$paramName;
        else return '';
    }
}


?>