Popy\Calendar\Converter\LeapYearCalculator\Persian::isLeapYear()

Complexity

Conditions	5
Paths	12

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function isLeapYear($year)
    {
        $cycle = $year % 2820;

        if ($cycle >= 21 * 128) {
            $cycle -= 21 * 128;
        } else {
            $cycle = $cycle % 128;
        }

        if ($cycle >= 29) {
            $cycle -= 29;
            if ($cycle >= 2*33) {
                $cycle -= 2 * 33;
            } else {
                $cycle = $cycle % 33;
            }
        }

        $cycle++;

        return $cycle > 1 && ($cycle % 4 === 1);
    }