lib > OX > Admin > Timezones.php > class OX_Admin_Timezones > availableTimezones()

概要

• 利用可能なタイムゾーンの配列を返す

引数

• true時、配列の先頭に空の要素が追加される

実装

　　function availableTimezones($addBlank = false)
    {
        global $_DATE_TIMEZONE_DATA;

• 配列

　　　　$_aTimezoneBcData = array(
            'Brazil/Acre', 'Brazil/DeNoronha', 'Brazil/East', 'Brazil/West', 'Canada/Atlantic',
            'Canada/Central', 'Canada/East-Saskatchewan', 'Canada/Eastern', 'Canada/Mountain',
            'Canada/Newfoundland', 'Canada/Pacific', 'Canada/Saskatchewan', 'Canada/Yukon',
            'CET', 'Chile/Continental', 'Chile/EasterIsland', 'CST6CDT', 'Cuba', 'EET',
            'Egypt', 'Eire', 'EST', 'EST5EDT', 'Etc/GMT', 'Etc/GMT+0', 'Etc/GMT+1', 'Etc/GMT+10',
            'Etc/GMT+11', 'Etc/GMT+12', 'Etc/GMT+2', 'Etc/GMT+3', 'Etc/GMT+4', 'Etc/GMT+5',
            'Etc/GMT+6', 'Etc/GMT+7', 'Etc/GMT+8', 'Etc/GMT+9', 'Etc/GMT-0', 'Etc/GMT-1',
            'Etc/GMT-10', 'Etc/GMT-11', 'Etc/GMT-12', 'Etc/GMT-13', 'Etc/GMT-14', 'Etc/GMT-2',
            'Etc/GMT-3', 'Etc/GMT-4', 'Etc/GMT-5', 'Etc/GMT-6', 'Etc/GMT-7', 'Etc/GMT-8',
            'Etc/GMT-9', 'Etc/GMT0', 'Etc/Greenwich', 'Etc/UCT', 'Etc/Universal', 'Etc/UTC',
            'Etc/Zulu', 'Factory GB', 'GB-Eire', 'GMT', 'GMT+0', 'GMT-0', 'GMT0', 'Greenwich',
            'Hongkong', 'HST', 'Iceland', 'Iran', 'Israel', 'Jamaica', 'Japan', 'Kwajalein',
            'Libya', 'MET', 'Mexico/BajaNorte', 'Mexico/BajaSur', 'Mexico/General',
            'MST', 'MST7MDT', 'Navajo', 'NZ', 'NZ-CHAT', 'Poland', 'Portugal', 'PRC',
            'PST8PDT', 'ROC', 'ROK', 'Singapore', 'Turkey', 'UCT', 'Universal', 'US/Alaska',
            'US/Aleutian', 'US/Arizona', 'US/Central', 'US/East-Indiana', 'US/Eastern',
            'US/Hawaii', 'US/Indiana-Starke', 'US/Michigan', 'US/Mountain', 'US/Pacific',
            'US/Pacific-New', 'US/Samoa', 'UTC', 'W-SU', 'WET', 'Zulu');

• /lib/max/language/Loader.phpを参照

// Load translations
        require_once MAX_PATH .'/lib/max/language/Loader.php';
        Language_Loader::load('timezone');

• /lib/pear/Date/TimeZone.phpを参照

// Load global array of timezones
        require_once MAX_PATH .'/lib/pear/Date/TimeZone.php';
        $aTimezoneKey = Date_TimeZone::getAvailableIDs();

if (!defined('MAX_PATH')) {
            $tz = OX_Admin_Timezones::getTimezone();
        } else {
            $tz = $GLOBALS['_MAX']['PREF']['timezone'];
            if (is_null($tz)) {
                $tz = OX_Admin_Timezones::getTimezone();
            }
        }

$tzSave = date_default_timezone_get();
        foreach ($aTimezoneKey as $key) {
            if (!@date_default_timezone_set($key)) continue;
            if ((in_array($tz, $_aTimezoneBcData) && $key == $tz) || !in_array($key, $_aTimezoneBcData)) {
                // Calculate the timezone offset
                $offset = OX_Admin_Timezones::_convertOffset($_DATE_TIMEZONE_DATA[$key]['offset']);
                // Build the arrays used for sorting time zones
                $origOffset = $_DATE_TIMEZONE_DATA[$key]['offset'];
                $key = (!empty($GLOBALS['strTimezoneList'][$key])) ? $GLOBALS['strTimezoneList'][$key] : $key;
                if ($origOffset >= 0) {
                    $aTimezone[$offset][$key] = "(GMT+$offset) $key";
                } else {
                    $aNegTimezone[$key] = "(GMT-$offset) $key";
                }
            }
        }
        date_default_timezone_set($tzSave);

// Sort timezones with positive offsets descending, and negative
        // offests ascending.

        // Add initial empty key/value pair
        if ($addBlank) {
            $aResult[] = '';
        }

        // Sort time zones
        asort($aNegTimezone);

        // Reverse array element order while preserving alphabetical order
        $hasRun       = false;
        foreach ($aTimezone as $offset => $aValue) {
            if ($hasRun == false) {
                $aRevTimezone[] = $aValue;
                $hasRun = true;
            } else {
                array_unshift($aRevTimezone, $aValue);
            }
        }

// Build the result array
        foreach($aRevTimezone as $aValue) {
            foreach ($aValue as $k => $v) {
                $aResult[$k] = $v;
            }
        }
        foreach ($aNegTimezone as $key => $value) {
            $aResult[$key] = $value;
        }

        return $aResult;
    }

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