freenetis-github/application/helpers/date.php @ 399be2b6
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Date helper class.
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*
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* $Id: date.php 1970 2008-02-06 21:54:29Z Shadowhand $
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class date
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{
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public static $months = array
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(
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1 => 'January',
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2 => 'February',
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3 => 'March',
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4 => 'April',
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5 => 'May',
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6 => 'June',
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7 => 'July',
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8 => 'August',
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9 => 'September',
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10 => 'October',
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11 => 'November',
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12 => 'December'
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);
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/**
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* Converts a UNIX timestamp to DOS format.
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*
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* @param integer UNIX timestamp
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* @return integer
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*/
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public static function unix2dos($timestamp = FALSE)
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{
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$timestamp = ($timestamp === FALSE) ? getdate() : getdate(intval($timestamp));
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if ($timestamp['year'] < 1980)
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{
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return (1 << 21 | 1 << 16);
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}
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$timestamp['year'] -= 1980;
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// What voodoo is this? I have no idea... Geert can explain it though,
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// and that's good enough for me.
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return ($timestamp['year'] << 25 | $timestamp['mon'] << 21 |
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$timestamp['mday'] << 16 | $timestamp['hours'] << 11 |
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$timestamp['minutes'] << 5 | $timestamp['seconds'] >> 1);
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}
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/**
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* Converts a DOS timestamp to UNIX format.
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*
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* @param integer DOS timestamp
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* @return integer
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*/
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public static function dos2unix($timestamp = FALSE)
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{
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$sec = 2 * ($timestamp & 0x1f);
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$min = ($timestamp >> 5) & 0x3f;
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$hrs = ($timestamp >> 11) & 0x1f;
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$day = ($timestamp >> 16) & 0x1f;
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$mon = ($timestamp >> 21) & 0x0f;
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$year = ($timestamp >> 25) & 0x7f;
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return mktime($hrs, $min, $sec, $mon, $day, $year + 1980);
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}
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/**
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* Returns the offset (in seconds) between two time zones.
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* @see http://php.net/timezones
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*
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* @param string timezone that to find the offset of
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* @param string|boolean timezone used as the baseline
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* @return integer
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*/
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public static function offset($remote, $local = TRUE)
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{
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static $offsets;
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// Default values
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$remote = (string) $remote;
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$local = ($local === TRUE) ? date_default_timezone_get() : (string) $local;
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// Cache key name
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$cache = $remote.$local;
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if (empty($offsets[$cache]))
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{
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// Create timezone objects
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$remote = new DateTimeZone($remote);
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$local = new DateTimeZone($local);
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// Create date objects from timezones
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$time_there = new DateTime('now', $remote);
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$time_here = new DateTime('now', $local);
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// Find the offset
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$offsets[$cache] = $remote->getOffset($time_there) - $local->getOffset($time_here);
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}
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return $offsets[$cache];
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}
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/**
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* Number of seconds in a minute, incrementing by a step.
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*
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* @param integer amount to increment each step by, 1 to 30
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* @param integer start value
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* @param integer end value
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* @return array A mirrored (foo => foo) array from 1-60.
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*/
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public static function seconds($step = 1, $start = 0, $end = 60)
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{
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// Always integer
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$step = (int) $step;
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$seconds = array();
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for ($i = $start; $i < $end; $i += $step)
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{
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$seconds[$i] = ($i < 10) ? '0'.$i : $i;
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}
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return $seconds;
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}
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/**
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* Number of minutes in an hour, incrementing by a step.
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*
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* @param integer amount to increment each step by, 1 to 30
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* @return array A mirrored (foo => foo) array from 1-60.
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*/
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public static function minutes($step = 5)
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{
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// Because there are the same number of minutes as seconds in this set,
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// we choose to re-use seconds(), rather than creating an entirely new
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// function. Shhhh, it's cheating! ;) There are several more of these
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// in the following methods.
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return date::seconds($step);
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}
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/**
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* Number of hours in a day.
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*
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* @param integer amount to increment each step by
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* @param boolean use 24-hour time
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* @param integer the hour to start at
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* @return array A mirrored (foo => foo) array from start-12 or start-23.
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*/
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public static function hours($step = 1, $long = FALSE, $start = NULL)
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{
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// Default values
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$step = (int) $step;
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$long = (bool) $long;
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$hours = array();
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// Set the default start if none was specified.
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if (is_null($start))
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{
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$start = ($long == FALSE) ? 1 : 0;
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}
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$hours = array();
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// 24-hour time has 24 hours, instead of 12
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$size = ($long == TRUE) ? 23 : 12;
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for ($i = $start; $i <= $size; $i += $step)
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{
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$hours[$i] = $i;
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}
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return $hours;
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}
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/**
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* Returns AM or PM, based on a given hour.
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*
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* @param integer number of the hour
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* @return string
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*/
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public static function ampm($hour)
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{
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// Always integer
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$hour = (int) $hour;
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return ($hour > 11) ? 'PM' : 'AM';
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}
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/**
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* Adjusts a non-24-hour number into a 24-hour number.
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*
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* @param integer hour to adjust
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* @param string AM or PM
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* @return string
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*/
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public static function adjust($hour, $ampm)
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{
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$hour = (int) $hour;
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$ampm = strtolower($ampm);
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switch($ampm)
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{
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case 'am':
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if ($hour == 12)
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$hour = 0;
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break;
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case 'pm':
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if ($hour < 12)
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$hour += 12;
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break;
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}
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return sprintf('%02s', $hour);
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}
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/**
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* Number of days in month.
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*
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* @param integer number of month
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* @param integer number of year to check month, defaults to the current year
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* @return array A mirrored (foo => foo) array of the days.
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*/
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public static function days($month, $year = FALSE)
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{
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static $months;
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// Always integers
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$month = (int) $month;
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$year = (int) $year;
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// Use the current year by default
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$year = ($year == FALSE) ? date('Y') : $year;
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// We use caching for months, because time functions are used
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if (empty($months[$year][$month]))
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{
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$months[$year][$month] = array();
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// Use date to find the number of days in the given month
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$total = date('t', mktime(1, 0, 0, $month, 1, $year)) + 1;
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try
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{
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for ($i = 1; $i < $total; @$i++)
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@$months[$year][$month][$i] = $i;
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}
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catch (Exceptions $e)
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{
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}
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}
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return $months[$year][$month];
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}
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/**
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* Returns count of days of given month and year (optional)
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* Similar to function days, but return only count (not array)
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*
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* @author Michal Kliment
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* @param numeric $month
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* @param numeric $year
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* @return numeric
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*/
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public static function days_of_month($month, $year = FALSE)
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{
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// Always integers
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$month = (int) $month;
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$year = (int) $year;
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// Use the current year by default
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$year = ($year == FALSE) ? date('Y') : $year;
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// Use date to find the number of days in the given month
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$days = date('t', mktime(1, 0, 0, $month, 1, $year));
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return $days;
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}
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| c1bdc1c4 | Michal Kliment | ||
/**
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* Returns array of months
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*
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* @param bool $translate Translate months names
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* @return array
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*/
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public static function months_array($translate = TRUE)
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{
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if ($translate)
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{
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return array_map('__', self::$months);
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}
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else
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{
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return self::$months;
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}
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}
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| 8baed187 | Michal Kliment | ||
/**
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* Number of months in a year
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*
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* @return array A mirrored (foo => foo) array from 1-12.
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*/
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public static function months()
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{
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return date::hours();
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}
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/**
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* Returns an array of years between a starting and ending year.
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* Uses the current year +/- 5 as the max/min.
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*
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* @param integer starting year
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* @param integer ending year
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* @return array
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*/
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public static function years($start = FALSE, $end = FALSE)
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{
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// Default values
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$start = ($start == FALSE) ? date('Y') - 5 : (int) $start;
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$end = ($end == FALSE) ? date('Y') + 5 : (int) $end;
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$years = array();
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// Add one, so that "less than" works
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$end += 1;
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for ($i = $start; $i < $end; $i++)
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{
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$years[$i] = $i;
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}
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return $years;
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}
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/**
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* Returns time difference between two timestamps, in human readable format.
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*
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* @param integer timestamp
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* @param integer timestamp, defaults to the current time
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* @param string formatting string
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* @return string|array
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*/
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public static function timespan($time1, $time2 = FALSE, $output = 'years,months,weeks,days,hours,minutes,seconds')
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{
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// Default values
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$time1 = max(0, (int) $time1);
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$time2 = ($time2 === FALSE) ? time() : max(0, (int) $time2);
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// Calculate timespan (seconds)
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$timespan = abs($time1 - $time2);
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// Array with the output formats
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$output = preg_split('/[\s,]+/', strtolower((string) $output));
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$output = array_combine($output, $output);
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// Array of diff values
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$timediff = array();
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// Years ago
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if (isset($output['years']))
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{
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// 60 * 60 * 24 * 365
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$year = 31536000;
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$timediff['years'] = (int) floor($timespan / $year);
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$timespan -= $timediff['years'] * $year;
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}
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// Months ago
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if (isset($output['months']))
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{
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// 60 * 60 * 24 * 30
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$month = 2592000;
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$timediff['months'] = (int) floor($timespan / $month);
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$timespan -= $timediff['months'] * $month;
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}
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// Weeks ago
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if (isset($output['weeks']))
|
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{
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// 60 * 60 * 24 * 7
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$week = 604800;
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$timediff['weeks'] = (int) floor($timespan / $week);
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$timespan -= $timediff['weeks'] * $week;
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}
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// Days ago
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if (isset($output['days']))
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{
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// 60 * 60 * 24
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$day = 86400;
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$timediff['days'] = (int) floor($timespan / $day);
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$timespan -= $timediff['days'] * $day;
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}
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// Hours ago
|
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if (isset($output['hours']))
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{
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|||
// 60 * 60
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$hour = 3600;
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$timediff['hours'] = (int) floor($timespan / $hour);
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$timespan -= $timediff['hours'] * $hour;
|
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}
|
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// Minutes ago
|
|||
if (isset($output['minutes']))
|
|||
{
|
|||
// 60
|
|||
$minute = 60;
|
|||
$timediff['minutes'] = (int) floor($timespan / $minute);
|
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$timespan -= $timediff['minutes'] * $minute;
|
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}
|
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// Seconds ago
|
|||
if (isset($output['seconds']))
|
|||
{
|
|||
$timediff['seconds'] = $timespan;
|
|||
}
|
|||
// Invalid output formats string
|
|||
if (empty($timediff))
|
|||
return FALSE;
|
|||
// If only one output format was asked, don't put it in an array
|
|||
if (count($timediff) == 1)
|
|||
return current($timediff);
|
|||
// Return array
|
|||
return $timediff;
|
|||
}
|
|||
/**
|
|||
* Round date to whole months, if count of days is more or equal to 15,
|
|||
* increments count of months
|
|||
*
|
|||
* @param integer $day
|
|||
* @param integer $month
|
|||
* @param integer $year
|
|||
* @return string
|
|||
*/
|
|||
public static function round_month($day = 1, $month = 1, $year = 1970, $on_last_day = false)
|
|||
{
|
|||
$day = intval($day);
|
|||
$month = intval($month);
|
|||
$year = intval($year);
|
|||
if ($day > 15)
|
|||
{
|
|||
$month++;
|
|||
}
|
|||
$day = 1;
|
|||
if ($month > 12)
|
|||
{
|
|||
$year++;
|
|||
$month = 1;
|
|||
}
|
|||
if ($on_last_day)
|
|||
{
|
|||
$month--;
|
|||
if ($month==0)
|
|||
{
|
|||
$month = 12;
|
|||
if ($year) $year--;
|
|||
}
|
|||
$day = count(date::days($month,$year));
|
|||
}
|
|||
return date("Y-m-d", mktime(0, 0, 0, $month, $day, $year));
|
|||
}
|
|||
/**
|
|||
* Function is similar to round_month, except it gets date in date format.
|
|||
* @author Jiri Svitak
|
|||
* @param date
|
|||
* @return unknown_type
|
|||
*/
|
|||
public static function month($date = '0000-00-00')
|
|||
{
|
|||
// parsed date
|
|||
$pd = date_parse($date);
|
|||
return date::round_month($pd['day'],$pd['month'],$pd['year']);
|
|||
}
|
|||
/**
|
|||
| c1bdc1c4 | Michal Kliment | * Function returns date of new deduct from the given date.
|
|
*
|
|||
* If given day is before and including deduct day, then deduct day of
|
|||
* current month is returned.
|
|||
* If given day is after deduct day, then deduct day of next month is returned.
|
|||
*
|
|||
* @author Ondrej Fibich
|
|||
* @param string $date
|
|||
* @return string
|
|||
| 8baed187 | Michal Kliment | */
|
|
| c1bdc1c4 | Michal Kliment | public static function get_closses_deduct_date_to($date)
|
|
{
|
|||
| 8baed187 | Michal Kliment | // parsed date
|
|
$parsed_date = date_parse($date);
|
|||
$day = $parsed_date['day'];
|
|||
$month = $parsed_date['month'];
|
|||
$year = $parsed_date['year'];
|
|||
| c1bdc1c4 | Michal Kliment | // deduct day
|
|
$deduct_day = date::get_deduct_day_to($month, $year);
|
|||
if ($day >= $deduct_day)
|
|||
{
|
|||
$month++;
|
|||
}
|
|||
| 8baed187 | Michal Kliment | if ($month == 13)
|
|
{
|
|||
$month = 1;
|
|||
$year++;
|
|||
}
|
|||
| c1bdc1c4 | Michal Kliment | ||
$deduct_day2 = date::get_deduct_day_to($month, $year);
|
|||
| 8baed187 | Michal Kliment | // returns boundary date of month
|
|
| c1bdc1c4 | Michal Kliment | return date('Y-m-d', mktime(0, 0, 0, $month, $deduct_day2, $year));
|
|
}
|
|||
| 2a205303 | Michal Kliment | ||
/**
|
|||
* Function returns next date of deduct from the given date.
|
|||
* Next means that next mmonth deduct date is calculated.
|
|||
*
|
|||
* @author Ondřej Fibich <fibich@freenetis.org>
|
|||
* @since 1.1.10
|
|||
*
|
|||
* @param string $date input deduct date
|
|||
* @return string next deduct date from next month
|
|||
*/
|
|||
public static function get_next_deduct_date_to($date)
|
|||
{
|
|||
$d_arr = date_parse($date);
|
|||
// increase month
|
|||
$d_arr['month']++;
|
|||
if ($d_arr['month'] > 12)
|
|||
{
|
|||
$d_arr['month'] = 1;
|
|||
$d_arr['year']++;
|
|||
}
|
|||
// get deduct day for increased month
|
|||
$d_arr['day'] = date::get_deduct_day_to($d_arr['month'], $d_arr['year']);
|
|||
// create new date
|
|||
return date::create($d_arr['day'], $d_arr['month'], $d_arr['year']);
|
|||
}
|
|||
/**
|
|||
| c1bdc1c4 | Michal Kliment | * Calculate deduct day of given month.
|
|
*
|
|||
* @author Ondrej Fibich
|
|||
* @param integer $month
|
|||
* @param integer $year
|
|||
* @return string
|
|||
*/
|
|||
public static function get_deduct_day_to($month, $year)
|
|||
{
|
|||
return max(1, min(
|
|||
Settings::get('deduct_day'),
|
|||
date::days_of_month($month, $year)
|
|||
));
|
|||
}
|
|||
| 8baed187 | Michal Kliment | ||
/**
|
|||
* Function to finding difference between 2 dates
|
|||
* @param $date_a date in format 'YYYY-mm-dd'
|
|||
* @param $date_b date in format 'YYYY-mm-dd'
|
|||
* @return <type>
|
|||
*/
|
|||
public static function diff_month($date_a = '0000-00-00', $date_b = '0000-00-00')
|
|||
{
|
|||
$year_a = (int) substr($date_a,0,4);
|
|||
$year_b = (int) substr($date_b,0,4);
|
|||
$month_a = (int) substr($date_a,5,2);
|
|||
$month_b = (int) substr($date_b,5,2);
|
|||
return ($year_a * 12 + $month_a) - ($year_b * 12 + $month_b);
|
|||
}
|
|||
/**
|
|||
* @author Michal Kliment
|
|||
* Creates date in format 'YYYY-mm-dd' from day, month and year
|
|||
* @param $day
|
|||
* @param $month
|
|||
* @param $year
|
|||
* @return date
|
|||
*/
|
|||
public static function create($day, $month, $year, $hour = 0, $minute = 0, $second = 0, $datetime = FALSE)
|
|||
{
|
|||
$date = num::null_fill($year,4).'-';
|
|||
$date .= num::null_fill($month,2).'-';
|
|||
$date .= num::null_fill($day,2);
|
|||
| c1bdc1c4 | Michal Kliment | if ($datetime)
|
|
{
|
|||
$date .= ' '.num::null_fill($hour,2).':';
|
|||
$date .= num::null_fill($minute,2).':';
|
|||
$date .= num::null_fill($second,2);
|
|||
}
|
|||
| 8baed187 | Michal Kliment | ||
return $date;
|
|||
}
|
|||
/**
|
|||
* Function to return date in pretty format from datetime
|
|||
| c1bdc1c4 | Michal Kliment | *
|
|
* @author Michal Kliment
|
|||
| 8baed187 | Michal Kliment | * @param string $datetime
|
|
* @return string
|
|||
*/
|
|||
public static function pretty($datetime)
|
|||
{
|
|||
$day = (int) substr($datetime, 8, 2);
|
|||
$month = (int) substr($datetime, 5, 2);
|
|||
$year = (int) substr($datetime, 0, 4);
|
|||
$date = ($day) ? $day. '. ' : '';
|
|||
$date .= ($month) ? $month. '. ' : '';
|
|||
$date .= ($year) ? $year : '';
|
|||
return $date;
|
|||
}
|
|||
public static function pretty_time($datetime)
|
|||
{
|
|||
return substr($datetime, 11,8);
|
|||
}
|
|||
public static function pretty_month($datetime = '0000-00-00')
|
|||
{
|
|||
$pd = date_parse(date::month($datetime));
|
|||
$month = ($pd['month'] < 10) ? '0' . $pd['month'] : $pd['month'];
|
|||
return $month.'/'.$pd['year'];
|
|||
}
|
|||
public static function from_interval($interval = 0, $unit = 'hours')
|
|||
{
|
|||
$years = 0;
|
|||
$months = 0;
|
|||
$days = 0;
|
|||
$hours = 0;
|
|||
$minutes = 0;
|
|||
$seconds = 0;
|
|||
if ($unit == 'seconds')
|
|||
$seconds = $interval;
|
|||
$minutes = floor ($seconds / 60);
|
|||
$seconds = $seconds - $minutes*60;
|
|||
if ($unit == 'minutes')
|
|||
$minutes = $interval;
|
|||
$hours = floor($minutes / 60);
|
|||
$minutes = $minutes - $hours*60;
|
|||
if ($unit == 'hours')
|
|||
$hours = $interval;
|
|||
$days = floor ($hours / 24);
|
|||
$hours = $hours - $days*24;
|
|||
if ($unit == 'days')
|
|||
$days = $interval;
|
|||
$months = floor ($days / 30);
|
|||
$days = $days - $months*30;
|
|||
if ($unit == 'months')
|
|||
$months = $interval;
|
|||
$years = floor($months / 12);
|
|||
$months = $months - $years*12;
|
|||
if ($unit == 'years')
|
|||
$years = $interval;
|
|||
if ($years > 9999)
|
|||
$years = 9999;
|
|||
return date::create($days, $months, $years, $hours, $minutes, $seconds, TRUE);
|
|||
}
|
|||
/**
|
|||
* Function to get time for mail (Google style)
|
|||
| c1bdc1c4 | Michal Kliment | *
|
|
* @author Michal Kliment
|
|||
| 8baed187 | Michal Kliment | * @param string $datetime
|
|
* @return string
|
|||
*/
|
|||
public static function mail_time($datetime)
|
|||
{
|
|||
// current time
|
|||
$current_day = date('j');
|
|||
$current_month = date('n');
|
|||
$current_year = date('Y');
|
|||
// parse date
|
|||
$date = date_parse($datetime);
|
|||
// not same year, print whole date with year
|
|||
if ($date['year'] != $current_year)
|
|||
return $date['day'].'.'.$date['month'].'.'.substr($date['year'], 2, 2);
|
|||
// not same day, print whole date without year
|
|||
else if ($date['month'] != $current_month || $date['day'] != $current_day)
|
|||
return $date['day'].'.'.$date['month'].'.';
|
|||
// same day, print only time
|
|||
else
|
|||
return $date['hour'].':'.num::null_fill($date['minute'], 2);
|
|||
}
|
|||
/**
|
|||
* Returns diff between 2 datetimes
|
|||
| c1bdc1c4 | Michal Kliment | *
|
|
* @author Michal Kliment
|
|||
| 8baed187 | Michal Kliment | * @param string $date1
|
|
* @param string $date2
|
|||
* @return number
|
|||
*/
|
|||
public static function diff($date1, $date2)
|
|||
{
|
|||
// parse dates
|
|||
$pd1 = date_parse($date1);
|
|||
$pd2 = date_parse($date2);
|
|||
// make times form dates
|
|||
$time1 = mktime($pd1['hour'], $pd1['minute'], $pd1['second'], $pd1['day'], $pd1['month'], $pd1['year']);
|
|||
$time2 = mktime($pd2['hour'], $pd2['minute'], $pd2['second'], $pd2['day'], $pd2['month'], $pd2['year']);
|
|||
if ($time1 > $time2)
|
|||
$diff = $time1 - $time2;
|
|||
else
|
|||
$diff = $time2 - $time1;
|
|||
return $diff;
|
|||
}
|
|||
/**
|
|||
* Returns interval (in array) between 2 datetimes
|
|||
| c1bdc1c4 | Michal Kliment | *
|
|
* @author Michal Kliment
|
|||
| 8baed187 | Michal Kliment | * @param string $date1
|
|
* @param string $date2
|
|||
* @return array
|
|||
*/
|
|||
public static function interval($date1, $date2 = '0000-00-00 00:00:00')
|
|||
{
|
|||
// vars declaration
|
|||
$interval = array(
|
|||
// years
|
|||
'y' => 0,
|
|||
// months
|
|||
'm' => 0,
|
|||
// days
|
|||
'd' => 0,
|
|||
// hours
|
|||
'h' => 0,
|
|||
// minutes
|
|||
'i' => 0,
|
|||
// seconds
|
|||
's' => 0,
|
|||
// days
|
|||
'days' => 0
|
|||
);
|
|||
// parse dates
|
|||
$pd1 = date_parse($date1);
|
|||
$pd2 = date_parse($date2);
|
|||
//convert time from string to int
|
|||
$time1 = $pd1['hour']*60*60 + $pd1['minute']*60 + $pd1['second'];
|
|||
$time2 = $pd2['hour']*60*60 + $pd2['minute']*60 + $pd2['second'];
|
|||
if ($time2 > $time1)
|
|||
{
|
|||
$diff = $time2-$time1;
|
|||
$invert_hour = floor($diff/3600);
|
|||
$diff %= 3600;
|
|||
$invert_minute = floor($diff/60);
|
|||
$invert_second = $diff % 60;
|
|||
$interval['s'] = 60 - $invert_second;
|
|||
$interval['i'] = 60 - $invert_minute;
|
|||
if ($interval['s'])
|
|||
$interval['i']--;
|
|||
$interval['h'] = 24 - $invert_hour;
|
|||
if ($interval['i'])
|
|||
$interval['h']--;
|
|||
}
|
|||
else
|
|||
{
|
|||
$diff = $time1-$time2;
|
|||
$interval['h'] = floor($diff/3600);
|
|||
$diff %= 3600;
|
|||
$interval['i'] = floor($diff/60);
|
|||
$interval['s'] = $diff % 60;
|
|||
}
|
|||
if (($pd2['day'] < $pd1['day']))
|
|||
{
|
|||
$interval['d'] = $pd1['day'] - $pd2['day'];
|
|||
}
|
|||
else if (($pd2['day'] > $pd1['day']) || $pd2['day'] > $pd1['day'] && $time2 > $time1)
|
|||
{
|
|||
$interval['d'] = count(date::days($pd2['month'],$pd2['year'])) - $pd2['day'] + $pd1['day'];
|
|||
$pd2['month']++;
|
|||
}
|
|||
if ($time2 > $time1)
|
|||
$interval['d']--;
|
|||
$interval['days'] = $interval['d'];
|
|||
while($pd2['year'] <= $pd1['year'])
|
|||
{
|
|||
while(($pd2['year'] < $pd1['year'] && $pd2['month'] <= 12) || ($pd2['year'] == $pd1['year'] && $pd2['month'] < $pd1['month']))
|
|||
{
|
|||
$interval['days'] += date::days_of_month($pd2['month'],$pd2['year']);
|
|||
$interval['m']++;
|
|||
$pd2['month']++;
|
|||
}
|
|||
$pd2['month'] = 1;
|
|||
$pd2['year']++;
|
|||
}
|
|||
$interval['y'] = floor($interval['m'] / 12);
|
|||
$interval['m'] %= 12;
|
|||
return $interval;
|
|||
}
|
|||
/**
|
|||
* @author Michal Kliment
|
|||
* Function to get day diff between 2 datetimes
|
|||
* @param string $datetime
|
|||
* @return number
|
|||
*/
|
|||
public static function day_diff($date1, $date2 = '0000-00-00 00:00:00')
|
|||
{
|
|||
$interval = date::interval($date1, $date2);
|
|||
return $interval['days'];
|
|||
}
|
|||
/**
|
|||
* @author Michal Kliment
|
|||
* Function to get hour diff between 2 datetimes
|
|||
* @param string $datetime
|
|||
* @return number
|
|||
*/
|
|||
public static function hour_diff($date1, $date2 = '0000-00-00 00:00:00')
|
|||
{
|
|||
$interval = date::interval($date1, $date2);
|
|||
return $interval['days']*24 + $interval['h'];
|
|||
}
|
|||
/**
|
|||
* @author Michal Kliment
|
|||
* Function to get minute diff between 2 datetimes
|
|||
* @param string $datetime
|
|||
* @return number
|
|||
*/
|
|||
public static function minute_diff($date1, $date2 = '0000-00-00 00:00:00')
|
|||
{
|
|||
$interval = date::interval($date1, $date2);
|
|||
return ($interval['days']*24 + $interval['h'])*60 + $interval['i'];
|
|||
}
|
|||
/**
|
|||
* Returns counter for timestamp
|
|||
*
|
|||
* @author Michal Kliment
|
|||
* @param integer $timestamp
|
|||
* @return string
|
|||
*/
|
|||
public static function counter($timestamp)
|
|||
{
|
|||
$seconds = num::negation($timestamp % 60, 0, 0, -1);
|
|||
$timestamp = ($timestamp - $seconds) / 60;
|
|||
$minutes = num::negation($timestamp % 60, 0, 0, -1);
|
|||
$timestamp = ($timestamp - $minutes) / 60;
|
|||
$hours = num::negation($timestamp % 24, 0, 0, -1);
|
|||
$timestamp = ($timestamp - $hours) / 24;
|
|||
return num::null_fill($hours,2).':'.num::null_fill($minutes,2).':'.num::null_fill($seconds,2);
|
|||
}
|
|||
/**
|
|||
* Finds start of week and return it in given format
|
|||
*
|
|||
* @author Michal Kliment
|
|||
* @param type $week
|
|||
* @param type $year
|
|||
* @param type $format
|
|||
* @return type
|
|||
*/
|
|||
public static function start_of_week ($week, $year = NULL, $format = 'Y-m-d')
|
|||
{
|
|||
if (!$year)
|
|||
$year = date("Y");
|
|||
$ts = strtotime($year."-01-04 + ".($week-1)." weeks");
|
|||
while (date('l', $ts) != 'Monday')
|
|||
{
|
|||
$ts = strtotime('-1 day', $ts);
|
|||
}
|
|||
return date($format, $ts);
|
|||
}
|
|||
/**
|
|||
* Finds end of week and return it in given format
|
|||
*
|
|||
* @author Michal Kliment
|
|||
* @param type $week
|
|||
* @param type $year
|
|||
* @param type $format
|
|||
* @return type
|
|||
*/
|
|||
public function end_of_week ($week, $year = NULL, $format = 'Y-m-d')
|
|||
{
|
|||
if (!$year)
|
|||
$year = date("Y");
|
|||
$ts = strtotime($year."-01-04 + ".($week-1)." weeks");
|
|||
while (date('l', $ts) != 'Sunday')
|
|||
{
|
|||
$ts = strtotime('+1 day', $ts);
|
|||
}
|
|||
return date($format, $ts);
|
|||
}
|
|||
/**
|
|||
* Decreases given date by one day. Used in Fio automatic import.
|
|||
* @author Jiri Svitak
|
|||
* @param <type> $year
|
|||
* @param <type> $month
|
|||
* @param <type> $day
|
|||
*/
|
|||
public static function decrease_day($year, $month, $day)
|
|||
{
|
|||
$day = (int) $day;
|
|||
$month = (int) $month;
|
|||
$year = (int) $year;
|
|||
$day -= 1;
|
|||
if ($day == 0)
|
|||
{
|
|||
$month -= 1;
|
|||
if ($month == 0)
|
|||
{
|
|||
$year -= 1;
|
|||
$month = 12;
|
|||
}
|
|||
if ($month == 2)
|
|||
{
|
|||
if (($year % 4 == 0) && ($year % 400 != 0))
|
|||
{
|
|||
$day = 29;
|
|||
}
|
|||
else
|
|||
{
|
|||
$day = 28;
|
|||
}
|
|||
}
|
|||
else if ($month == 1 || $month == 3 || $month == 5 || $month == 7 || $month == 8 || $month == 10 || $month == 12)
|
|||
{
|
|||
$day = 31;
|
|||
}
|
|||
else
|
|||
{
|
|||
$day = 30;
|
|||
}
|
|||
}
|
|||
$timestamp = mktime(0, 0, 0, $month, $day, $year);
|
|||
return date('Y-m-d', $timestamp);
|
|||
}
|
|||
} // End date
|