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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | <?phpclass Pluf_Form_Widget_TimeZoneInput extends Pluf_Form_Widget_Input{ public $input_type = 'text'; public $initial = ""; public function __construct($attrs = []) { parent::__construct($attrs); } public function render($name, $value, $extra_attrs=array()) { return Pluf_Template::markSafe($this->getHTML($name, $value)); } public function getHTML($name, $value) { // Based off snippet here: http://stackoverflow.com/a/17355238/195722 static $regions = array( DateTimeZone::AFRICA, DateTimeZone::AMERICA, DateTimeZone::ANTARCTICA, DateTimeZone::ASIA, DateTimeZone::ATLANTIC, DateTimeZone::AUSTRALIA, DateTimeZone::EUROPE, DateTimeZone::INDIAN, DateTimeZone::PACIFIC, ); $timezones = array(); foreach( $regions as $region ) { $timezones = array_merge( $timezones, DateTimeZone::listIdentifiers( $region ) ); } $timezone_offsets = array(); foreach( $timezones as $timezone ) { $tz = new DateTimeZone($timezone); $timezone_offsets[$timezone] = $tz->getOffset(new DateTime); } // sort timezone by timezone name ksort($timezone_offsets); $timezone_list = array(); foreach( $timezone_offsets as $timezone => $offset ) { $offset_prefix = $offset < 0 ? '-' : '+'; $offset_formatted = gmdate( 'H:i', abs($offset) ); $pretty_offset = "UTC${offset_prefix}${offset_formatted}"; $t = new DateTimeZone($timezone); $c = new DateTime(null, $t); $current_time = $c->format('g:i A'); $timezone_list[$timezone] = "(${pretty_offset}) $timezone - $current_time"; } $listArray = []; foreach($timezone_list as $key => $val) { if ($key == $value) { $listArray[] = "<option selected=\"selected\" value=\"$key\">$val</option>"; } else { $listArray[] = "<option value=\"$key\">$val</option>"; } } return "<select name=\"$name\">" . implode("\n", $listArray) . "</select>"; }} |
