<?php
if($_CPHP !== true) { die(); }

$timezones = array(
	'Pacific/Kwajalein' => 				'(GMT-12:00) International Date Line West',
	'Pacific/Midway' => 				'(GMT-11:00) Midway Island',
	'Pacific/Samoa' => 					'(GMT-11:00) Samoa',
	'Pacific/Honolulu' => 				'(GMT-10:00) Hawaii',
	'America/Anchorage' => 				'(GMT-09:00) Alaska',
	'America/Los_Angeles' => 			'(GMT-08:00) Pacific Time (US &amp; Canada)',
	'America/Tijuana' => 				'(GMT-08:00) Tijuana, Baja California',
	'America/Denver' => 				'(GMT-07:00) Mountain Time (US &amp; Canada)',
	'America/Chihuahua' => 				'(GMT-07:00) Chihuahua',
	'America/Mazatlan' => 				'(GMT-07:00) Mazatlan',
	'America/Phoenix' => 				'(GMT-07:00) Arizona',
	'America/Regina' => 				'(GMT-06:00) Saskatchewan',
	'America/Tegucigalpa' => 			'(GMT-06:00) Central America',
	'America/Chicago' => 				'(GMT-06:00) Central Time (US &amp; Canada)',
	'America/Mexico_City' => 			'(GMT-06:00) Mexico City',
	'America/Monterrey' => 				'(GMT-06:00) Monterrey',
	'America/New_York' => 				'(GMT-05:00) Eastern Time (US &amp; Canada)',
	'America/Bogota' => 				'(GMT-05:00) Bogota',
	'America/Lima' => 					'(GMT-05:00) Lima',
	'America/Rio_Branco' => 			'(GMT-05:00) Rio Branco',
	'America/Indiana/Indianapolis' => 	'(GMT-05:00) Indiana (East)',
	'America/Caracas' => 				'(GMT-04:30) Caracas',
	'America/Halifax' => 				'(GMT-04:00) Atlantic Time (Canada)',
	'America/Manaus' => 				'(GMT-04:00) Manaus',
	'America/Santiago' => 				'(GMT-04:00) Santiago',
	'America/La_Paz' => 				'(GMT-04:00) La Paz',
	'America/St_Johns' => 				'(GMT-03:30) Newfoundland',
	'America/Argentina/Buenos_Aires' => '(GMT-03:00) Georgetown',
	'America/Sao_Paulo' =>				'(GMT-03:00) Brasilia',
	'America/Godthab' => 				'(GMT-03:00) Greenland',
	'America/Montevideo' => 			'(GMT-03:00) Montevideo',
	'Atlantic/South_Georgia' => 		'(GMT-02:00) Mid-Atlantic',
	'Atlantic/Azores' => 				'(GMT-01:00) Azores',
	'Atlantic/Cape_Verde' => 			'(GMT-01:00) Cape Verde Is.',
	'Europe/Dublin' => 					'(GMT) Dublin',
	'Europe/Lisbon' => 					'(GMT) Lisbon',
	'Europe/London' => 					'(GMT) London',
	'Africa/Monrovia' => 				'(GMT) Monrovia',
	'Atlantic/Reykjavik' =>				'(GMT) Reykjavik',
	'Africa/Casablanca' => 				'(GMT) Casablanca',
	'Europe/Belgrade' => 				'(GMT+01:00) Belgrade',
	'Europe/Bratislava' => 				'(GMT+01:00) Bratislava',
	'Europe/Budapest' => 				'(GMT+01:00) Budapest',
	'Europe/Ljubljana' => 				'(GMT+01:00) Ljubljana',
	'Europe/Prague' => 					'(GMT+01:00) Prague',
	'Europe/Sarajevo' => 				'(GMT+01:00) Sarajevo',
	'Europe/Skopje' => 					'(GMT+01:00) Skopje',
	'Europe/Warsaw' => 					'(GMT+01:00) Warsaw',
	'Europe/Zagreb' => 					'(GMT+01:00) Zagreb',
	'Europe/Brussels' => 				'(GMT+01:00) Brussels',
	'Europe/Copenhagen' => 				'(GMT+01:00) Copenhagen',
	'Europe/Madrid' => 					'(GMT+01:00) Madrid',
	'Europe/Paris' => 					'(GMT+01:00) Paris',
	'Africa/Algiers' => 				'(GMT+01:00) West Central Africa',
	'Europe/Amsterdam' => 				'(GMT+01:00) Amsterdam',
	'Europe/Berlin' => 					'(GMT+01:00) Berlin',
	'Europe/Rome' => 					'(GMT+01:00) Rome',
	'Europe/Stockholm' =>				'(GMT+01:00) Stockholm',
	'Europe/Vienna' => 					'(GMT+01:00) Vienna',
	'Europe/Minsk' => 					'(GMT+02:00) Minsk',
	'Africa/Cairo' =>		 			'(GMT+02:00) Cairo',
	'Europe/Helsinki' =>				'(GMT+02:00) Helsinki',
	'Europe/Riga' =>		 			'(GMT+02:00) Riga',
	'Europe/Sofia' =>		 			'(GMT+02:00) Sofia',
	'Europe/Tallinn' =>		 			'(GMT+02:00) Tallinn',
	'Europe/Vilnius' =>		 			'(GMT+02:00) Vilnius',
	'Europe/Athens' =>		 			'(GMT+02:00) Athens',
	'Europe/Bucharest' =>				'(GMT+02:00) Bucharest',
	'Europe/Istanbul' =>				'(GMT+02:00) Istanbul',
	'Asia/Jerusalem' =>		 			'(GMT+02:00) Jerusalem',
	'Asia/Amman' =>		 				'(GMT+02:00) Amman',
	'Asia/Beirut' =>		 			'(GMT+02:00) Beirut',
	'Africa/Windhoek' =>				'(GMT+02:00) Windhoek',
	'Africa/Harare' =>		 			'(GMT+02:00) Harare',
	'Asia/Kuwait' =>		 			'(GMT+03:00) Kuwait',
	'Asia/Riyadh' =>		 			'(GMT+03:00) Riyadh',
	'Asia/Baghdad' =>		 			'(GMT+03:00) Baghdad',
	'Africa/Nairobi' =>		 			'(GMT+03:00) Nairobi',
	'Asia/Tbilisi' =>		 			'(GMT+03:00) Tbilisi',
	'Europe/Moscow' =>		 			'(GMT+03:00) Moscow',
	'Europe/Volgograd' =>				'(GMT+03:00) Volgograd',
	'Asia/Tehran' =>		 			'(GMT+03:30) Tehran',
	'Asia/Muscat' =>		 			'(GMT+04:00) Muscat',
	'Asia/Baku' =>		 				'(GMT+04:00) Baku',
	'Asia/Yerevan' =>		 			'(GMT+04:00) Yerevan',
	'Asia/Yekaterinburg' =>				'(GMT+05:00) Ekaterinburg',
	'Asia/Karachi' =>		 			'(GMT+05:00) Karachi',
	'Asia/Tashkent' =>		 			'(GMT+05:00) Tashkent',
	'Asia/Kolkata' =>		 			'(GMT+05:30) Calcutta',
	'Asia/Colombo' =>		 			'(GMT+05:30) Sri Jayawardenepura',
	'Asia/Katmandu' =>		 			'(GMT+05:45) Kathmandu',
	'Asia/Dhaka' =>		 				'(GMT+06:00) Dhaka',
	'Asia/Almaty' =>		 			'(GMT+06:00) Almaty',
	'Asia/Novosibirsk' =>		 		'(GMT+06:00) Novosibirsk',
	'Asia/Rangoon' =>		 			'(GMT+06:30) Yangon (Rangoon)',
	'Asia/Krasnoyarsk' =>		 		'(GMT+07:00) Krasnoyarsk',
	'Asia/Bangkok' =>		 			'(GMT+07:00) Bangkok',
	'Asia/Jakarta' =>		 			'(GMT+07:00) Jakarta',
	'Asia/Brunei' =>		 			'(GMT+08:00) Beijing',
	'Asia/Chongqing' =>		 			'(GMT+08:00) Chongqing',
	'Asia/Hong_Kong' =>		 			'(GMT+08:00) Hong Kong',
	'Asia/Urumqi' =>		 			'(GMT+08:00) Urumqi',
	'Asia/Irkutsk' =>		 			'(GMT+08:00) Irkutsk',
	'Asia/Ulaanbaatar' =>		 		'(GMT+08:00) Ulaan Bataar',
	'Asia/Kuala_Lumpur' =>		 		'(GMT+08:00) Kuala Lumpur',
	'Asia/Singapore' =>			 		'(GMT+08:00) Singapore',
	'Asia/Taipei' =>			 		'(GMT+08:00) Taipei',
	'Australia/Perth' =>		 		'(GMT+08:00) Perth',
	'Asia/Seoul' =>				 		'(GMT+09:00) Seoul',
	'Asia/Tokyo' =>				 		'(GMT+09:00) Tokyo',
	'Asia/Yakutsk' =>			 		'(GMT+09:00) Yakutsk',
	'Australia/Darwin' =>		 		'(GMT+09:30) Darwin',
	'Australia/Adelaide' =>		 		'(GMT+09:30) Adelaide',
	'Australia/Canberra' =>		 		'(GMT+10:00) Canberra',
	'Australia/Melbourne' =>			'(GMT+10:00) Melbourne',
	'Australia/Sydney' =>		 		'(GMT+10:00) Sydney',
	'Australia/Brisbane' =>		 		'(GMT+10:00) Brisbane',
	'Australia/Hobart' =>		 		'(GMT+10:00) Hobart',
	'Asia/Vladivostok' =>		 		'(GMT+10:00) Vladivostok',
	'Pacific/Guam' =>			 		'(GMT+10:00) Guam',
	'Pacific/Port_Moresby' =>			'(GMT+10:00) Port Moresby',
	'Asia/Magadan' =>			 		'(GMT+11:00) Magadan',
	'Pacific/Fiji' =>			 		'(GMT+12:00) Fiji',
	'Asia/Kamchatka' =>			 		'(GMT+12:00) Kamchatka',
	'Pacific/Auckland' =>		 		'(GMT+12:00) Auckland',
	'Pacific/Tongatapu' =>		 		'(GMT+13:00) Nukualofa'
);

function unix_from_local($timestamp)
{
	global $user_preferences;
	date_default_timezone_set($user_preferences[CPHP_SETTING_TIMEZONE]);
	return strtotime($timestamp);
}

function unix_from_mysql($timestamp)
{
	date_default_timezone_set("GMT");
	return strtotime($timestamp);
}

function local_from_unix($timestamp, $format)
{
	global $user_preferences;
	date_default_timezone_set($user_preferences[CPHP_SETTING_TIMEZONE]);
	return strftime($format, $timestamp);
}

function gmt_from_unix($timestamp, $format)
{
	date_default_timezone_set("GMT");
	return strftime($format, $timestamp);
}

function mysql_from_unix($timestamp)
{
	date_default_timezone_set("GMT");
	return date("Y-m-d H:i:s", $timestamp);
}

function floor_to_day($timestamp)
{
	return floor($timestamp / (60 * 60 * 24)) * (60 * 60 * 24);
}
?>