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@ -22,12 +22,14 @@
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namespace App\Support;
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use DateTimeZone;
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use Illuminate\Support\Facades\Log;
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/**
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* This library is from:
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* https://github.com/JackieDo/Timezone-List
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*
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* With some changes to suite the formatting, etc that we need
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* With some changes to suite the formatting, etc that we need.
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* Also changed it to provide all static methods instead of through a facade
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*/
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class Timezonelist
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{
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@ -40,7 +42,7 @@ class Timezonelist
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*
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* @var array
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*/
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protected $popularTimezones = [
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protected static $popularTimezones = [
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'GMT' => 'GMT timezone',
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'UTC' => 'UTC timezone',
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];
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@ -49,7 +51,7 @@ class Timezonelist
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*
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* @var array
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*/
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protected $continents = [
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protected static $continents = [
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'Africa' => DateTimeZone::AFRICA,
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'America' => DateTimeZone::AMERICA,
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'Antarctica' => DateTimeZone::ANTARCTICA,
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@ -69,14 +71,17 @@ class Timezonelist
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* @param string $continent
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* @param bool $htmlencode
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*
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* @throws \Exception
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* @throws \Exception
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*
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* @return string
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*/
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protected function formatTimezone($timezone, $continent, $htmlencode = true)
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public static function formatTimezone($timezone, $continent, $htmlencode = true)
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{
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$time = new \DateTimeImmutable(null, new DateTimeZone($timezone));
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try {
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$time = new \DateTimeImmutable(null, new DateTimeZone($timezone));
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} catch (\Exception $e) {
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Log::error($e->getMessage());
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return '';
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}
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$offset = $time->format('P');
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if ($htmlencode) {
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$offset = str_replace(['-', '+'], [' − ', ' + '], $offset);
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@ -95,9 +100,11 @@ class Timezonelist
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* @param mixed $attr
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* @param bool $htmlencode
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*
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* @throws \Exception
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*
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* @return string
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*/
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public function create($name, $selected = '', $attr = '', $htmlencode = true)
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public static function create($name, $selected = '', $attr = '', $htmlencode = true)
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{
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// Attributes for select element
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$attrSet = '';
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@ -114,13 +121,13 @@ class Timezonelist
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$listbox = '<select name="'.$name.'"'.$attrSet.'>';
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// Add popular timezones
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$listbox .= '<optgroup label="General">';
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foreach ($this->popularTimezones as $key => $value) {
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foreach (self::$popularTimezones as $key => $value) {
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$selected_attr = ($selected === $key) ? ' selected="selected"' : '';
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$listbox .= '<option value="'.$key.'"'.$selected_attr.'>'.$value.'</option>';
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$listbox .= '<option value="'.$key.'" '.$selected_attr.'>'.$value.'</option>';
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}
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$listbox .= '</optgroup>';
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// Add all timezone of continents
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foreach ($this->continents as $continent => $mask) {
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foreach (self::$continents as $continent => $mask) {
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$timezones = DateTimeZone::listIdentifiers($mask);
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// start optgroup tag
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$listbox .= '<optgroup label="'.$continent.'">';
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@ -128,7 +135,7 @@ class Timezonelist
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foreach ($timezones as $timezone) {
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$selected_attr = ($selected === $timezone) ? ' selected="selected"' : '';
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$listbox .= '<option value="'.$timezone.'"'.$selected_attr.'>';
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$listbox .= $this->formatTimezone($timezone, $continent, $htmlencode);
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$listbox .= static::formatTimezone($timezone, $continent, $htmlencode);
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$listbox .= '</option>';
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}
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// end optgroup tag
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@ -146,18 +153,18 @@ class Timezonelist
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*
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* @return mixed
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*/
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public function toArray($htmlencode = false)
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public static function toArray($htmlencode = false)
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{
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$list = [];
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// Add popular timezones to list
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foreach ($this->popularTimezones as $key => $value) {
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foreach (self::$popularTimezones as $key => $value) {
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$list['General'][$key] = $value;
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}
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// Add all timezone of continents to list
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foreach ($this->continents as $continent => $mask) {
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foreach (self::$continents as $continent => $mask) {
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$timezones = DateTimeZone::listIdentifiers($mask);
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foreach ($timezones as $timezone) {
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$list[$continent][$timezone] = $this->formatTimezone($timezone, $continent, $htmlencode);
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$list[$continent][$timezone] = self::formatTimezone($timezone, $continent, $htmlencode);
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}
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}
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return $list;
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