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<?php // phpcs:ignore
class Snapshot_Model_Time {
private static $_instance;
public static function get () {
if (empty(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Returns the very next Monday in future, relative to timestamp
*
* @param int $timestamp Pivot date for finding next Monday as UNIX timestamp.
*
* @return int
*/
public function get_next_monday ($timestamp= false) {
$timestamp = !empty($timestamp)
? $timestamp
: $this->get_utc_time()
;
$monday = strtotime('this Monday', $timestamp);
if ($monday < $timestamp) $monday += 7 * DAY_IN_SECONDS;
return $monday;
}
/**
* Centralized local timestamp fetching
*
* @return int UNIX timestamp
*/
public function get_local_time () {
return (int)apply_filters(
$this->get_filter('local_timestamp'),
current_time('timestamp', 0)
);
}
/**
* Centralized UTC timestamp fetching
*
* @return int UNIX timestamp
*/
public function get_utc_time () {
return (int)apply_filters(
$this->get_filter('utc_timestamp'),
current_time('timestamp', 1)
);
}
/**
* Gets time diff from UTC
*
* @return float Hours
*/
public function get_utc_offset () {
$tz = get_option( 'timezone_string' );
if ( $tz ) {
// This actually returns seconds. Convert to hours.
return timezone_offset_get( timezone_open( $tz ), new DateTime() ) / HOUR_IN_SECONDS;
} else {
return floatval( get_option( 'gmt_offset' ) );
}
}
/**
* Gets time diff from UTC
*
* @return int Seconds
*/
public function get_utc_diff () {
return $this->get_utc_offset() * HOUR_IN_SECONDS;
}
/**
* Convert a local timestamp to the UTC timestamp
*
* @param int $local_time Local timestamp to convert
*
* @return int
*/
public function to_utc_time ($local_time) {
if (!is_numeric($local_time)) return $local_time;
$local_time = (int)$local_time;
return $local_time - $this->get_utc_diff();
}
/**
* Convert an UTC timestamp to the local timestamp
*
* @param int $utc_time UTC timestamp to convert
*
* @return int
*/
public function to_local_time ($utc_time) {
if (!is_numeric($utc_time)) return $utc_time;
$utc_time = (int)$utc_time;
return $utc_time + $this->get_utc_diff();
}
/**
* Filter/action name getter
*
* @param string $filter Filter name to convert
*
* @return string Full filter name
*/
public function get_filter ($filter= false) {
if (empty($filter)) return false;
if (!is_string($filter)) return false;
return 'snapshot-model-time-' . $filter;
}
/**
* Get local hours for equivalent UTC hours
*
* @param $utc_time
*
* @return float|int Local hours in second
*/
public function convert_to_local_timestamp( $utc_time ) {
if ( ! is_numeric( $utc_time ) ) {
return $utc_time;
}
$utc_time = (int) $utc_time;
$offset = $this->get_utc_diff();
$seconds = $utc_time - $offset; // Deal with seconds, not hours
if ( $seconds < 0 ) {
$seconds += DAY_IN_SECONDS;
}
if ( $seconds >= DAY_IN_SECONDS ) {
$seconds -= DAY_IN_SECONDS;
}
if ( 0 === intval( $seconds ) ) {
$seconds = 1;
}
return $seconds;
}
}