shikarubekijikan.php

<?php

require_once 'Calendar/Month.php';
require_once 'Date/Holidays.php';

if (isset($argv[1])) {
    $month = $argv[1];
} else {
    $month = date('Ym');
}

$tejimayaSpecial = array(
    // nenshi
    '20110101', '20110102', '20110103', '20110104',

);

$target = strtotime($month.'01');
$cal = new Calendar_Month(date('Y', $target), date('m', $target));
$cal->build();

$days = $cal->fetchAll();
$dh = @Date_Holidays::factory('Japan', date('Y', $target), 'ja_JP');

$eigyobiCount = 0;
foreach ($days as $i => $day) {
    $ts = $day->getTimestamp();
    $w = date('l', $ts);

    if ('Saturday' === $w || 'Sunday' === $w) {
        continue;
    }

    if ($dh->isHoliday($day->getTimestamp())) {
        continue;
    }

    if (in_array(date('Ymd', $ts), $tejimayaSpecial)) {
        continue;
    }

    $eigyobiCount += 1;
}
?>
営業日            : <?php echo $eigyobiCount.' 日'.PHP_EOL; ?>
「しかるべき時間」: <?php echo ($eigyobiCount * 8).' 時間'.PHP_EOL; ?>