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