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Matt Batchelder
2025-12-02 10:32:59 -05:00
commit 05ce0da296
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lib/Helper/DateFormatHelper.php Normal file
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<?php
/**
* Copyright (C) 2020 Xibo Signage Ltd
*
* Xibo - Digital Signage - http://www.xibo.org.uk
*
* This file is part of Xibo.
*
* Xibo is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Xibo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Xibo. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Xibo\Helper;
use Carbon\Carbon;
/**
* Class Environment
* @package Xibo\Helper
*/
class DateFormatHelper
{
private static $timezones = null;
/**
* Get the default date format
* @return string
*/
public static function getSystemFormat()
{
return 'Y-m-d H:i:s';
}
/**
* @inheritdoc
*/
public static function extractTimeFormat($format)
{
$replacements = [
'd' => '',
'D' => '',
'j' => '',
'l' => '',
'N' => '',
'S' => '',
'w' => '',
'z' => '',
'W' => '',
'F' => '',
'm' => '',
'M' => '',
'n' => '',
't' => '', // no equivalent
'L' => '', // no equivalent
'o' => '',
'Y' => '',
'y' => '',
'a' => 'a',
'A' => 'A',
'B' => '', // no equivalent
'g' => 'g',
'G' => 'G',
'h' => 'h',
'H' => 'H',
'i' => 'i',
's' => 's',
'u' => '',
'e' => '', // deprecated since version 1.6.0 of moment.js
'I' => '', // no equivalent
'O' => '', // no equivalent
'P' => '', // no equivalent
'T' => '', // no equivalent
'Z' => '', // no equivalent
'c' => '', // no equivalent
'r' => '', // no equivalent
'U' => '',
'-' => '',
'/' => '',
'.' => ''
];
$timeOnly = strtr($format, $replacements);
return trim($timeOnly);
}
/**
* @inheritdoc
*/
public static function extractDateOnlyFormat($format)
{
$replacements = [
'd' => 'd',
'D' => 'D',
'j' => '',
'l' => '',
'N' => '',
'S' => '',
'w' => '',
'z' => '',
'W' => '',
'F' => '',
'm' => 'm',
'M' => 'M',
'n' => '',
't' => '', // no equivalent
'L' => '', // no equivalent
'o' => '',
'Y' => 'Y',
'y' => 'y',
'a' => '',
'A' => '',
'B' => '', // no equivalent
'g' => '',
'G' => '',
'h' => '',
'H' => '',
'i' => '',
's' => '',
'u' => '',
'e' => '', // deprecated since version 1.6.0 of moment.js
'I' => '', // no equivalent
'O' => '', // no equivalent
'P' => '', // no equivalent
'T' => '', // no equivalent
'Z' => '', // no equivalent
'c' => '', // no equivalent
'r' => '', // no equivalent
'U' => '',
'-' => '-',
'/' => '/',
'.' => '.',
':' => ''
];
$timeOnly = strtr($format, $replacements);
return trim($timeOnly);
}
/**
* @inheritdoc
*/
public static function convertPhpToMomentFormat($format)
{
$replacements = [
'd' => 'DD',
'D' => 'ddd',
'j' => 'D',
'l' => 'dddd',
'N' => 'E',
'S' => 'o',
'w' => 'e',
'z' => 'DDD',
'W' => 'W',
'F' => 'MMMM',
'm' => 'MM',
'M' => 'MMM',
'n' => 'M',
't' => '', // no equivalent
'L' => '', // no equivalent
'o' => 'YYYY',
'Y' => 'YYYY',
'y' => 'YY',
'a' => 'a',
'A' => 'A',
'B' => '', // no equivalent
'g' => 'h',
'G' => 'H',
'h' => 'hh',
'H' => 'HH',
'i' => 'mm',
's' => 'ss',
'u' => 'SSS',
'e' => 'zz', // deprecated since version 1.6.0 of moment.js
'I' => '', // no equivalent
'O' => '', // no equivalent
'P' => '', // no equivalent
'T' => '', // no equivalent
'Z' => '', // no equivalent
'c' => '', // no equivalent
'r' => '', // no equivalent
'U' => 'X',
];
$momentFormat = strtr($format, $replacements);
return $momentFormat;
}
/**
* @inheritdoc
*/
public static function convertMomentToJalaliFormat($format)
{
$replacements = [
'DD' => 'jDD',
'ddd' => 'ddd',
'D' => 'jD',
'dddd' => 'dddd',
'E' => 'E',
'e' => 'e',
'DDD' => 'jDDD',
'W' => '',
'MMMM' => 'jMMMM',
'MM' => 'jMM',
'MMM' => 'jMMM',
'M' => 'jM',
'YYYY' => 'jYYYY',
'YY' => 'jYY',
'a' => 'a',
'A' => 'A',
'h' => 'h',
'H' => 'H',
'hh' => 'hh',
'HH' => 'HH',
'mm' => 'mm',
'ss' => 'ss',
'SSS' => 'SSS',
'X' => 'X'
];
$timeOnly = strtr($format, $replacements);
return trim($timeOnly);
}
/**
* Timezone identifiers
* @return array
*/
public static function timezoneList()
{
if (self::$timezones === null) {
self::$timezones = [];
$offsets = [];
$now = new Carbon('now');
foreach (\DateTimeZone::listIdentifiers() as $timezone) {
$now->setTimezone(new \DateTimeZone($timezone));
$offsets[] = $offset = $now->getOffset();
self::$timezones[$timezone] = '(' . self::formatGmtOffset($offset) . ') ' . self::formatTimezoneName($timezone);
}
array_multisort($offsets, self::$timezones);
}
return self::$timezones;
}
private static function formatGmtOffset($offset) {
$hours = intval($offset / 3600);
$minutes = abs(intval($offset % 3600 / 60));
return 'GMT' . ($offset ? sprintf('%+03d:%02d', $hours, $minutes) : '');
}
private static function formatTimezoneName($name) {
$name = str_replace('/', ', ', $name);
$name = str_replace('_', ' ', $name);
$name = str_replace('St ', 'St. ', $name);
return $name;
}
}