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<?php abstract class animal{ static $id = 1; public $idAnimal=0; public abstract function getOutputProduct(); } class chicken extends animal{ function __construct() { $this->idAnimal=parent::$id++; } public function getOutputProduct(){ return rand(0,1); } } class cow extends animal{ function __construct() { $this->idAnimal=parent::$id++; } // сколько может дать корова молоко public function getOutputProduct(){ return rand(8, 12); } } class AnimalBreeding { public function addСhicken(): chicken { return new chicken; } public function addCow(): cow { return new cow; } } $stable=new AnimalBreeding(); $cow=array(); $chicken=array(); for($i=1;$i<=10;$i++){ $cow[]=$stable->addCow(); } for($i=1;$i<=20;$i++){ $chicken[]=$stable->addСhicken(); } print "Кур на ферме - " . count($chicken) . "\n"; print "Коров на ферме - " . count($cow) . "\n"; $milk=0; $egg=0; class WorkerHarvester { public $cows=0; public $chickens=0; public $milk=0; public $egg=0; function __construct($cows, $chickens){ $this->cows = $cows; $this->chickens = $chickens; } function getMilk($cows, $milk){ for ($i=1; $i<=7; $i++) { foreach ($cows as $value){ $milk +=$value->getOutputProduct(); } return $milk; } } function getEgg($chickens){ for ($i=1; $i<=7; $i++) { foreach ($chickens as $value){ $egg +=$value->getOutputProduct(); } return $egg; } } } $worker1 = new WorkerHarvester($cow, $chicken); //var_dump ($worker1->cows); $milk1=0; $milk1 += $worker1->getMilk($cow, $milk); $egg1=0; $egg1 += $worker1->getMilk($chicken, $egg); print 'молока собрано ' . $milk1. "\n"; print 'яиц собрано '. $egg1. "\n";