Students

<?php

class Student
{
    private $firstName;
    private $lastName;
    private $age;
    private $hometown;

    public function __construct($firstName, $lastName, $age, $hometown)
    {
        $this->firstName = $firstName;
        $this->lastName = $lastName;
        $this->age = $age;
        $this->hometown = $hometown;
    }

    /**
     * @return mixed
     */
    public function getFirstName()
    {
        return $this->firstName;
    }

    /**
     * @param mixed $firstName
     */
    private function setFirstName($firstName): void
    {
        $this->firstName = $firstName;
    }

    /**
     * @return mixed
     */
    public function getLastName()
    {
        return $this->lastName;
    }

    /**
     * @param mixed $lastName
     */
    private function setLastName($lastName): void
    {
        $this->lastName = $lastName;
    }

    /**
     * @return mixed
     */
    public function getAge()
    {
        return $this->age;
    }

    /**
     * @param mixed $age
     */
    private function setAge($age): void
    {
        $this->age = $age;
    }

    /**
     * @return mixed
     */
    public function getHometown()
    {
        return $this->hometown;
    }

    /**
     * @param mixed $hometown
     */
    private function setHometown($hometown): void
    {
        $this->hometown = $hometown;
    }
}

$students = [];
$input = explode(' ', readline());

while ($input[0] !== 'end') {
    list($firstName, $lastName, $age, $hometown) = $input;
    $student = new Student($firstName, $lastName, $age, $hometown);
    $students[] = $student;
    $input = explode(' ', readline());
}

$town = readline();

foreach ($students as $studentInfo) {
    if ($studentInfo->getHomeTown() === $town) {
        echo $studentInfo->getFirstName() . ' ' . $studentInfo->getLastName() . ' is ' .
            $studentInfo->getAge() . ' years old.' . PHP_EOL;
    }
}