Commit ab513098 authored by Nikita Chernykh's avatar Nikita Chernykh
Browse files

Merge branch 'PTPS_Function_6' into 'main' 

Ptps function 6

See merge request !6
parents d785a12f cccfa9c6

index.php

+12 −0
Original line number Diff line number Diff line
@@ -82,5 +82,17 @@ 
            print $e->getMessage();

        }

    ?>



    <h1>Function 6</h1>

    <?php

        print "<h2>Пятницы 13: </h2>";

        try {

            foreach ($func->countFriday13(2024) as $date) {

                print $date->format("Y-m-d l") . "\n";

            }

        } catch (Exception $e) {

            print $e->getMessage();

        }

    ?>

</body>

</html>
 
 No newline at end of file

src/Functions.php

+18 −0
Original line number Diff line number Diff line
@@ -151,5 +151,23 @@ class Functions 
        $dateInterval = date_diff(new DateTimeImmutable($endYear), $date);

        return (int)$dateInterval->format("%a") + 1;

    }



    /**

     * Вернет все пятницы 13 в году

     * @param int $year год, в котором необходимо произвести расчет

     * @return DateTimeImmutable[]

     * @throws Exception

     */



    public function countFriday13(int $year): iterable

    {

        $startDate = new DateTime("$year-01-01 Friday");

        ++$year;

        $endDate = new DateTime("$year-01-01");

        $interval = new DateInterval('P7D');

        foreach (new DatePeriod($startDate, $interval, $endDate) as $day) {

            yield new DateTimeImmutable($day->format("Y-m-d"));

        }

    }

}