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https://github.com/e107inc/e107.git
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Updated Timezone EUF. Use user-defined timezone as default date timezone, if it's possible.
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Lóna Lore
parent
794a9f3ea6
commit
04cf3a6dc2
98
class2.php
98
class2.php
@ -1127,24 +1127,92 @@ if (($_SERVER['QUERY_STRING'] == 'logout')/* || (($pref['user_tracking'] == 'ses
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exit();
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}
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/*
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* Calculate time zone offset, based on session cookie set in e107.js.
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* (Buyer beware: this may be wrong for the first pageview in a session,
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* which is while the user is logged out, so not a problem...)
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*
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* Time offset is SECONDS. Seconds is much better than hours as a base,
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* as some places have 30 and 45 minute time zones.
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* It matches user clock time, instead of only time zones.
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* Add the offset to MySQL/server time to get user time.
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* Subtract the offset from user time to get server time.
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*
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*/
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/**
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* @addtogroup timezone
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* @{
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*/
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$tz = vartrue($pref['timezone'], 'UTC'); //TODO Adjust on the front-end based on user timezone value.
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$tzUser = e107::user(USERID);
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date_default_timezone_set($tz); // Must be set or PHP Warning thrown.
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if (varset($tzUser['user_timezone'], false) && systemTimeZoneIsValid($tzUser['user_timezone']))
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{
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date_default_timezone_set($tzUser['user_timezone']);
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unset($tzUser);
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}
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else
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{
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$tz = vartrue($pref['timezone'], 'UTC');
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date_default_timezone_set($tz);
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unset($tz);
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}
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/**
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* Generate an array of time zones.
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*
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* @return array
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* Array of time zones.
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*/
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function systemTimeZones()
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{
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// Never do something time consuming twice if you can hold onto the results
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// and re-use them. So we re-use the statically cached value to save time
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// and memory.
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static $zones = array();
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// If Timezone list is not populated yet.
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if(empty($zones))
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{
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$zonelist = timezone_identifiers_list();
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$timeNow = date('m/d/Y H:i', $_SERVER['REQUEST_TIME']);
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foreach($zonelist as $zone)
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{
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// Because many time zones exist in PHP only for backward compatibility
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// reasons and should not be used, the list is filtered by a regular
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// expression.
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if(preg_match('!^((Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)/|UTC$)!', $zone))
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{
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$dateTimeZone = new DateTimeZone($zone);
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$dateTime = new DateTime($timeNow, $dateTimeZone);
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$offset = $dateTime->format('O');
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$offset = chunk_split($offset, 3, ':');
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$zones[$zone] = str_replace('_', ' ', $zone) . ' (' . rtrim($offset, ':') . ')';
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}
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}
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// Sort time zones alphabetically.
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asort($zones);
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}
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return $zones;
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}
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/**
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* Validate a timezone.
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*
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* @param string $zone
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* Timezone.
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*
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* @return bool
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*/
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function systemTimeZoneIsValid($zone = '')
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{
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$zones = systemTimeZones();
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$zoneKeys = array_keys($zones);
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if(in_array($zone, $zoneKeys))
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{
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return true;
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}
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return false;
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}
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/**
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* @} End of "addtogroup timezone".
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*/
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unset($tz);
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$e_deltaTime=0;
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@ -773,37 +773,6 @@ $text .= "
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";
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/**
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* Generate an array of time zones.
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*/
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function systemTimeZones()
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{
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$zonelist = timezone_identifiers_list();
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$timeNow = date('m/d/Y H:i', $_SERVER['REQUEST_TIME']);
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$zones = array();
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foreach($zonelist as $zone)
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{
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// Because many time zones exist in PHP only for backward compatibility
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// reasons and should not be used, the list is filtered by a regular
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// expression.
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if(preg_match('!^((Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)/|UTC$)!', $zone))
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{
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$dateTimeZone = new DateTimeZone($zone);
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$dateTime = new DateTime($timeNow, $dateTimeZone);
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$offset = $dateTime->format('O');
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$offset = chunk_split($offset, 3, ':');
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$zones[$zone] = str_replace('_', ' ', $zone) . ' (' . rtrim($offset, ':') . ')';
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}
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}
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// Sort time zones alphabetically.
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asort($zones);
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return $zones;
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}
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// =========== Registration Preferences. ==================
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@ -14,121 +14,136 @@
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* $Author$
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*/
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if (!defined('e107_INIT')) { exit; }
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if(!defined('e107_INIT'))
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{
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exit;
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}
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/*
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This file is used with the extended user field 'predefined list' type. It is invoked when the value field is 'timezones'.
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/**
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* @file
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* This file is used with the extended user field 'predefined list' type. It is
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* invoked when the value field is 'timezones'.
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*
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* It is an example of an extended user field which access a predetermined list
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* of key-pair values. In this example all the data is loaded into memory; for
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* other applications the data may be read from a database, possibly with
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* caching.
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*
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* The objective is to provide a uniform interface to such data.
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*
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* The class name must be the same as the file name - i.e. the list name
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* prefixed with 'extended_'.
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*
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* The variable name must be 'timezones_list', and is an array of possible
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* values, each of which is a value => text pair.
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*
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* The text is displayed in a drop-down; the value is returned.
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*
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* If function timezones_value() exists, it is called to create the displayed
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* text.
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*/
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It is an example of an extended user field which access a predetermined list of key-pair values. In this example all the data is loaded
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into memory; for other applications the data may be read from a database, possibly with caching.
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The objective is to provide a uniform interface to such data.
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The class name must be the same as the file name - i.e. the list name prefixed with 'extended_'.
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The variable name must be 'timezones_list', and is an array of possible values, each of which is a value => text pair
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The text is displayed in a drop-down; the value is returned.
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If function timezones_value() exists, it is called to create the displayed text
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*/
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/**
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* Class extended_timezones.
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*/
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class extended_timezones
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{
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private $timezonesList = array(
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'-12' => "International DateLine West",
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'-11' => "Samoa",
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'-10' => "Hawaii",
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'-9' => "Alaska",
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'-8' => "Pacific Time (US and Canada)",
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'-7' => "Mountain Time (US and Canada)",
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'-6' => "Central Time (US and Canada), Central America",
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'-5' => "Eastern Time (US and Canada)",
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'-4' => "Atlantic Time (Canada)",
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'-3.30' => 'Newfoundland',
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'-3' => "Greenland, Brasilia, Buenos Aires, Georgetown",
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'-2' => "Mid-Atlantic",
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'-1' => "Azores, Cape Verde Islands",
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'+0' => "UK, Ireland, Lisbon",
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'+1' => "West Central Africa, Western Europe",
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'+2' => "Greece, Egypt, parts of Africa",
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'+3' => "Russia, Baghdad, Kuwait, Nairobi",
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'+3.30' => 'Tehran, Iran',
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'+4' => "Abu Dhabi, Kabul",
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'+4.30' => 'Afghanistan',
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'+5' => "Islamabad, Karachi",
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'+5.30' => "Mumbai, Delhi, Calcutta",
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'+5.45' => 'Kathmandu',
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'+6' => "Astana, Dhaka",
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'+7' => "Bangkok, Rangoon",
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'+8' => "Hong Kong, Singapore, Perth, Beijing",
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'+9' => "Tokyo, Seoul",
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'+9.30' => 'Darwin, Adelaide',
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'+10' => "Brisbane, Canberra, Sydney, Melbourne",
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'+10.30' => 'Lord Howe Island',
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'+11' => "Soloman Islands",
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'+11.30' => 'Norfolk Island',
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'+12' => "New Zealand, Fiji, Marshall Islands",
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'+13' => "Tonga, Nuku'alofa, Rawaki Islands",
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'+13.45' => 'Chatham Island',
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'+14' => 'Kiribati: Line Islands'
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);
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private $isEOF = FALSE; // True if at last element of list
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private $bufferValid = FALSE;
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/**
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* @var array
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*/
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private $timezonesList = array();
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/**
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* Call before using the 'next' format option, to ensure the array is indexed from the beginning
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* @var bool
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*/
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private $isEOF = false; // True if at last element of list.
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/**
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* @var bool
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*/
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private $bufferValid = false;
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/**
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* Constructor.
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*/
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public function __construct()
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{
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$this->timezonesList = systemTimeZones();
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}
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/**
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* Call before using the 'next' format option, to ensure the array is
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* indexed from the beginning.
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*/
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public function pointerReset()
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{
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$this->isEOF = (FALSE === reset($this->timezonesList));
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$this->bufferValid = TRUE;
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$this->isEOF = (false === reset($this->timezonesList));
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$this->bufferValid = true;
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}
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/**
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* Return a formatted timezone value
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* Return a formatted timezone value
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*
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* @param mixed $key - the key value to select
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* @param string $formatSpec - defines format of return value
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* @param mixed $key
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* The key value to select.
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* @param string $formatSpec
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* Defines format of return value.
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*
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* @return mixed (according to $formatSpec). FALSE if no value available
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* 'array' - a single-element array; key as passed, and value to match key
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* 'next' - as 'array', but ignores the passed $key and moves to next value.
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* default - a string usable for display
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* @return mixed
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* (according to $formatSpec).
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* false - if no value available.
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* 'array' - a single-element array; key as passed, and value to match key
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* 'next' - as 'array', but ignores the passed $key and moves to next value.
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* 'default' - a string usable for display.
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*/
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public function getValue($key, $formatSpec = '')
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{
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if ($formatSpec == 'next')
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if($formatSpec == 'next')
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{
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if (!$this->bufferValid) $this->pointerReset; // Make sure buffer is defined
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if ($this->isEOF) return FALSE;
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// Make sure buffer is defined.
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if(!$this->bufferValid)
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{
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$this->pointerReset();
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}
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if($this->isEOF)
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{
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return false;
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}
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$key = key($this->timezonesList);
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$val = current($this->timezonesList);
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if (FALSE === $val)
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if(false === $val)
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{
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$this->isEOF = TRUE;
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return FALSE;
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$this->isEOF = true;
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return false;
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}
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$this->isEOF = (FALSE === next($this->timezonesList));
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$this->isEOF = (false === next($this->timezonesList));
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return array($key => $val);
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}
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$exists = isset($this->timezonesList[$key]);
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if (!$exists) return FALSE;
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if(!$exists)
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{
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return false;
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}
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$val = $this->timezonesList[$key];
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if ($formatSpec == 'array')
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if($formatSpec == 'array')
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{
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return array($key => $val);
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}
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// Default (as per earlier implementations) - can be specified with 'display' format
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return 'GMT'.$key.' - '.$val;
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// Default (as per earlier implementations) - can be specified with
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// 'display' format.
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return $val;
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}
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}
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?>
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