Optimize timezone dropdown creation. Props sambauers. fixes #10125 for trunk
git-svn-id: https://develop.svn.wordpress.org/trunk@11597 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
parent
8bc92a8d4f
commit
4c4602f689
@ -157,7 +157,7 @@ if (empty($tzstring)) { // set the Etc zone if no timezone string exists
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<span class="description"><?php _e('Choose a city in the same timezone as you.'); ?></span>
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<br />
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<span>
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<?php if (get_option('timezone_string')) : ?>
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<?php if ($tzstring) : ?>
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<?php
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$now = localtime(time(),true);
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if ($now['tm_isdst']) _e('This timezone is currently in daylight savings time.');
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@ -165,11 +165,11 @@ if (empty($tzstring)) { // set the Etc zone if no timezone string exists
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?>
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<br />
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<?php
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if (function_exists('timezone_transitions_get') && $tzstring) {
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if (function_exists('timezone_transitions_get')) {
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$dateTimeZoneSelected = new DateTimeZone($tzstring);
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foreach (timezone_transitions_get($dateTimeZoneSelected) as $tr) {
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if ($tr['ts'] > time()) {
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$found = true;
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$found = true;
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break;
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}
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}
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@ -179,10 +179,7 @@ if (empty($tzstring)) { // set the Etc zone if no timezone string exists
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$message = $tr['isdst'] ?
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__('Daylight savings time begins on: <code>%s</code>.') :
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__('Standard time begins on: <code>%s</code>.');
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$tz = new DateTimeZone($tzstring);
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$d = new DateTime( "@{$tr['ts']}" );
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$d->setTimezone($tz);
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printf( $message, date_i18n(get_option('date_format').' '.get_option('time_format'), $d->format('U') ) );
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printf( $message, date_i18n(get_option('date_format').' '.get_option('time_format'), $tr['ts'] ) );
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} else {
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_e('This timezone does not observe daylight savings time.');
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}
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@ -3149,36 +3149,74 @@ function update_site_option( $key, $value ) {
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* Overrides the gmt_offset option if we have a timezone_string available
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*/
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function wp_timezone_override_offset() {
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if (!wp_timezone_supported()) return false;
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if ( !wp_timezone_supported() ) {
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return false;
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}
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if ( !$timezone_string = get_option( 'timezone_string' ) ) {
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return false;
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}
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$tz = get_option('timezone_string');
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if (empty($tz)) return false;
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@date_default_timezone_set($tz);
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$dateTimeZoneSelected = timezone_open($tz);
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$dateTimeServer = date_create();
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if ($dateTimeZoneSelected === false || $dateTimeServer === false) return false;
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$timeOffset = timezone_offset_get($dateTimeZoneSelected, $dateTimeServer);
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$timeOffset = $timeOffset / 3600;
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return $timeOffset;
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@date_default_timezone_set( $timezone_string );
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$timezone_object = timezone_open( $timezone_string );
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$datetime_object = date_create();
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if ( false === $timezone_object || false === $datetime_object ) {
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return false;
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}
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return round( timezone_offset_get( $timezone_object, $datetime_object ) / 3600, 2 );
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}
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/**
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* Check for PHP timezone support
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*
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*/
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function wp_timezone_supported() {
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if (function_exists('date_default_timezone_set')
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&& function_exists('timezone_identifiers_list')
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&& function_exists('timezone_open')
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&& function_exists('timezone_offset_get')
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)
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return apply_filters('timezone_support',true);
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$support = false;
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if (
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function_exists( 'date_default_timezone_set' ) &&
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function_exists( 'timezone_identifiers_list' ) &&
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function_exists( 'timezone_open' ) &&
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function_exists( 'timezone_offset_get' )
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) {
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$support = true;
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}
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return apply_filters( 'timezone_support', $support );
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}
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return apply_filters('timezone_support',false);
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function _wp_timezone_choice_usort_callback( $a, $b ) {
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// Don't use translated versions of Etc
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if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
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// Make the order of these more like the old dropdown
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if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) {
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return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) );
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}
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if ( 'UTC' === $a['city'] ) {
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if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) {
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return 1;
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}
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return -1;
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}
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if ( 'UTC' === $b['city'] ) {
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if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) {
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return -1;
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}
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return 1;
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}
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return strnatcasecmp( $a['city'], $b['city'] );
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}
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if ( $a['t_continent'] == $b['t_continent'] ) {
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if ( $a['t_city'] == $b['t_city'] ) {
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return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] );
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}
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return strnatcasecmp( $a['t_city'], $b['t_city'] );
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} else {
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// Force Etc to the bottom of the list
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if ( 'Etc' === $a['continent'] ) {
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return 1;
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}
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if ( 'Etc' === $b['continent'] ) {
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return -1;
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}
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return strnatcasecmp( $a['t_continent'], $b['t_continent'] );
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}
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}
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/**
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@ -3187,90 +3225,107 @@ function wp_timezone_supported() {
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* @param string $selectedzone - which zone should be the selected one
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*
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*/
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function wp_timezone_choice($selectedzone) {
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function wp_timezone_choice( $selected_zone ) {
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static $mo_loaded = false;
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$continents = array('Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific', 'Etc');
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$continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific', 'Etc' );
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// Load translations for continents and cities
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if ( ! $mo_loaded ) {
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if ( !$mo_loaded ) {
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$locale = get_locale();
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$mofile = WP_LANG_DIR . "/continents-cities-$locale.mo";
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load_textdomain('continents-cities', $mofile);
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$mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
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load_textdomain( 'continents-cities', $mofile );
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$mo_loaded = true;
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}
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$all = timezone_identifiers_list();
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$i = 0;
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foreach ( $all as $zone ) {
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$zone = explode('/',$zone);
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if ( ! in_array($zone[0], $continents) )
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$zonen = array();
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foreach ( timezone_identifiers_list() as $zone ) {
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$zone = explode( '/', $zone );
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if ( !in_array( $zone[0], $continents ) ) {
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continue;
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if ( $zone[0] == 'Etc' && in_array($zone[1], array('UCT', 'GMT', 'GMT0', 'GMT+0', 'GMT-0', 'Greenwich', 'Universal', 'Zulu')) )
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}
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if ( 'Etc' === $zone[0] && in_array( $zone[1], array( 'UCT', 'GMT', 'GMT0', 'GMT+0', 'GMT-0', 'Greenwich', 'Universal', 'Zulu' ) ) ) {
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continue;
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$zonen[$i]['continent'] = isset($zone[0]) ? $zone[0] : '';
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$zonen[$i]['city'] = isset($zone[1]) ? $zone[1] : '';
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$zonen[$i]['subcity'] = isset($zone[2]) ? $zone[2] : '';
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$i++;
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}
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usort($zonen, create_function(
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'$a, $b', '
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$t = create_function(\'$s\', \'return translate(str_replace("_", " ", $s), "continents-cities");\');
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$a_continent = $t($a["continent"]);
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$b_continent = $t($b["continent"]);
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$a_city = $t($a["city"]);
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$b_city = $t($b["city"]);
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$a_subcity = $t($a["subcity"]);
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$b_subcity = $t($b["subcity"]);
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if ( $a_continent == $b_continent && $a_city == $b_city )
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return strnatcasecmp($a_subcity, $b_subcity);
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elseif ( $a_continent == $b_continent )
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return strnatcasecmp($a_city, $b_city);
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else
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return strnatcasecmp($a_continent, $b_continent);
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'));
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$structure = '';
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$pad = ' ';
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if ( empty($selectedzone) )
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$structure .= '<option selected="selected" value="">' . __('Select a city') . "</option>\n";
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foreach ( $zonen as $zone ) {
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extract($zone);
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if ( empty($selectcontinent) && !empty($city) ) {
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$selectcontinent = $continent;
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$structure .= '<optgroup label="'. esc_attr( translate( $continent, "continents-cities" ) ) .'">' . "\n"; // continent
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} elseif ( !empty($selectcontinent) && $selectcontinent != $continent ) {
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$structure .= "</optgroup>\n";
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$selectcontinent = '';
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if ( !empty($city) ) {
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$selectcontinent = $continent;
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$structure .= '<optgroup label="'. esc_attr( translate( $continent, "continents-cities" ) ) .'">' . "\n"; // continent
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}
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}
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if ( !empty($city) ) {
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$display = str_replace('_',' ',$city);
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$display = translate($display, "continents-cities");
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if ( !empty($subcity) ) {
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$display_subcity = str_replace('_', ' ', $subcity);
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$display_subcity = translate($display_subcity, "continents-cities");
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$city = $city . '/'. $subcity;
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$display = $display . '/' . $display_subcity;
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}
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if ( $continent == 'Etc' )
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$display = strtr($display, '+-', '-+');
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$structure .= "\t<option ".((($continent.'/'.$city)==$selectedzone)?'selected="selected"':'')." value=\"".($continent.'/'.$city)."\">$pad".$display."</option>\n"; //Timezone
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// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
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$exists = array(
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0 => ( isset( $zone[0] ) && $zone[0] ) ? true : false,
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1 => ( isset( $zone[1] ) && $zone[1] ) ? true : false,
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2 => ( isset( $zone[2] ) && $zone[2] ) ? true : false
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);
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$exists[3] = ( $exists[0] && 'Etc' !== $zone[0] ) ? true : false;
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$exists[4] = ( $exists[1] && $exists[3] ) ? true : false;
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$exists[5] = ( $exists[2] && $exists[3] ) ? true : false;
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$zonen[] = array(
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'continent' => ( $exists[0] ? $zone[0] : '' ),
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'city' => ( $exists[1] ? $zone[1] : '' ),
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'subcity' => ( $exists[2] ? $zone[2] : '' ),
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't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ),
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't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ),
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't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' )
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);
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}
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usort( $zonen, '_wp_timezone_choice_usort_callback' );
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$structure = array();
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if ( empty( $selected_zone ) ) {
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$structure[] = '<option selected="selected" value="">' . __( 'Select a city' ) . '</option>';
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}
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foreach ( $zonen as $key => $zone ) {
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// Build value in an array to join later
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$value = array( $zone['continent'] );
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if ( empty( $zone['city'] ) ) {
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// It's at the continent level (generally won't happen)
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$display = $zone['t_continent'];
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} else {
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$structure .= "<option ".(($continent==$selectedzone)?'selected="selected"':'')." value=\"".$continent."\">" . translate($continent, "continents-cities") . "</option>\n"; //Timezone
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// It's inside a continent group
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// Continent optgroup
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if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
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$label = ( 'Etc' === $zone['continent'] ) ? __( 'Manual offsets' ) : $zone['t_continent'];
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$structure[] = '<optgroup label="'. esc_attr( $label ) .'">';
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}
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// Add the city to the value
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$value[] = $zone['city'];
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if ( 'Etc' === $zone['continent'] ) {
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if ( 'UTC' === $zone['city'] ) {
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$display = '';
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} else {
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$display = str_replace( 'GMT', '', $zone['city'] );
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$display = strtr( $display, '+-', '-+' ) . ':00';
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}
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$display = ' ' . sprintf( __( 'UTC %s' ), $display );
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} else {
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$display = ' ' . $zone['t_city'];
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if ( !empty( $zone['subcity'] ) ) {
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// Add the subcity to the value
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$value[] = $zone['subcity'];
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$display .= ' - ' . $zone['t_subcity'];
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}
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}
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}
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// Build the value
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$value = join( '/', $value );
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$selected = '';
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if ( $value === $selected_zone ) {
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$selected = 'selected="selected" ';
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}
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$structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>";
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// Close continent optgroup
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if ( !empty( $zone['city'] ) && isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent'] ) {
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$structure[] = '</optgroup>';
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}
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}
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if ( !empty($selectcontinent) )
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$structure .= "</optgroup>\n";
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return $structure;
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return join( "\n", $structure );
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}
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