bludit/bl-kernel/helpers/date.class.php

94 lines
2.3 KiB
PHP

<?php defined('BLUDIT') or die('Bludit CMS.');
class Date {
// Return current Unix timestamp, GMT+0
public static function unixTime()
{
return time();
}
// Return the local time/date according to locale settings.
public static function current($format)
{
$Date = new DateTime();
return $Date->format($format);
}
public static function currentOffset($format, $offset)
{
$Date = new DateTime();
$Date->modify($offset);
return $Date->format($format);
}
// Format a local time/date according to locale settings.
public static function format($date, $currentFormat, $outputFormat)
{
// Returns a new DateTime instance or FALSE on failure.
$Date = DateTime::createFromFormat($currentFormat, $date);
if ($Date!==false) {
return $Date->format($outputFormat);
}
return false;
}
public static function convertToUTC($date, $currentFormat, $outputFormat)
{
$Date = DateTime::createFromFormat($currentFormat, $date);
$Date->setTimezone(new DateTimeZone('UTC'));
return $Date->format($outputFormat);
}
public static function timeago($time)
{
$time = time() - $time;
$tokens = array (
31536000 => 'year',
2592000 => 'month',
604800 => 'week',
86400 => 'day',
3600 => 'hour',
60 => 'minute',
1 => 'second'
);
foreach ($tokens as $unit => $text) {
if ($time < $unit) continue;
$numberOfUnits = floor($time / $unit);
return $numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'');
}
}
// DEBUG: Check this function, need to be more fast
// Return array('Africa/Abidjan'=>'Africa/Abidjan (GMT+0)', ..., 'Pacific/Wallis'=>'Pacific/Wallis (GMT+12)');
// PHP supported list. http://php.net/manual/en/timezones.php
public static function timezoneList()
{
$tmp = array();
$timezone_identifiers_list = timezone_identifiers_list();
foreach($timezone_identifiers_list as $timezone_identifier)
{
$date_time_zone = new DateTimeZone($timezone_identifier);
$date_time = new DateTime('now', $date_time_zone);
$hours = floor($date_time_zone->getOffset($date_time) / 3600);
$mins = floor(($date_time_zone->getOffset($date_time) - ($hours*3600)) / 60);
$hours = 'GMT' . ($hours < 0 ? $hours : '+'.$hours);
$mins = ($mins > 0 ? $mins : '0'.$mins);
$text = str_replace("_"," ",$timezone_identifier);
$tmp[$timezone_identifier] = $text.' ('.$hours.':'.$mins.')';
}
return $tmp;
}
}