/**
* Return the file size (B, KiB, MiB, GiB, TiB, PiB, EiB, ZiB, YiB) well formatted. Return FALSE if file doesn't
* exists or `filesize()` failure.
*
* @brief Get the file size
* @uses `WPDKMath::bytes()`
*
* @param string $filename File name or path to a file
* @param int $precision Digits to display after decimal
*
* @return string|bool
*/
public static function fileSize($filename, $precision = 2)
{
if (is_file($filename)) {
if (!realpath($filename)) {
$filename = $_SERVER['DOCUMENT_ROOT'] . $filename;
}
$bytes = filesize($filename);
if (false === $bytes) {
return false;
}
return WPDKMath::bytes($bytes, $precision);
}
return false;
}
/**
* Check if infinity
*
* @brief Infinity
*
* @param float|string $value Check value
*
* @return bool TRUE if $value is equal to INF (php) or WPDKMath::INFINITY
*
* @file wpdk-functions.php
* @deprecated Since 1.2.0 Use WPDKMath::isInfinity() instead
*
*/
function wpdk_is_infinity($value)
{
_deprecated_function(__FUNCTION__, '1.2.0', 'WPDKMath::isInfinity()');
return WPDKMath::isInfinity($value);
}
/**
* Returns number of days to start of this week.
*
* @brief Days number
*
* @author =stid= <*****@*****.**>
*
* @param object $date Date object
* @param string $first_day
*
* @return int $date
*/
public static function daysToWeekStart($date, $first_day = 'monday')
{
$week_days = array('monday' => 0, 'tuesday' => 1, 'wednesday' => 2, 'thursday' => 3, 'friday' => 4, 'saturday' => 5, 'sunday' => 6);
$start_day_number = $week_days[$first_day];
$wday = $date->format("w");
$current_day_number = $wday != 0 ? $wday - 1 : 6;
return WPDKMath::rModulus($current_day_number - $start_day_number, 7);
}