<?php
 define ('SXGEO_FILE', 0); define ('SXGEO_MEMORY', 1); define ('SXGEO_BATCH', 2); class SxGeo{ protected $fh; protected $ip1c; protected $info; protected $range; protected $db_begin; protected $b_idx_str; protected $m_idx_str; protected $b_idx_arr; protected $m_idx_arr; protected $m_idx_len; protected $db_items; protected $db; protected $regions_db; protected $cities_db; public $cc2iso = array( '', 'AP', 'EU', 'AD', 'AE', 'AF', 'AG', 'AI', 'AL', 'AM', 'AN', 'AO', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AW', 'AZ', 'BA', 'BB', 'BD', 'BE', 'BF', 'BG', 'BH', 'BI', 'BJ', 'BM', 'BN', 'BO', 'BR', 'BS', 'BT', 'BV', 'BW', 'BY', 'BZ', 'CA', 'CC', 'CD', 'CF', 'CG', 'CH', 'CI', 'CK', 'CL', 'CM', 'CN', 'CO', 'CR', 'CU', 'CV', 'CX', 'CY', 'CZ', 'DE', 'DJ', 'DK', 'DM', 'DO', 'DZ', 'EC', 'EE', 'EG', 'EH', 'ER', 'ES', 'ET', 'FI', 'FJ', 'FK', 'FM', 'FO', 'FR', 'FX', 'GA', 'GB', 'GD', 'GE', 'GF', 'GH', 'GI', 'GL', 'GM', 'GN', 'GP', 'GQ', 'GR', 'GS', 'GT', 'GU', 'GW', 'GY', 'HK', 'HM', 'HN', 'HR', 'HT', 'HU', 'ID', 'IE', 'IL', 'IN', 'IO', 'IQ', 'IR', 'IS', 'IT', 'JM', 'JO', 'JP', 'KE', 'KG', 'KH', 'KI', 'KM', 'KN', 'KP', 'KR', 'KW', 'KY', 'KZ', 'LA', 'LB', 'LC', 'LI', 'LK', 'LR', 'LS', 'LT', 'LU', 'LV', 'LY', 'MA', 'MC', 'MD', 'MG', 'MH', 'MK', 'ML', 'MM', 'MN', 'MO', 'MP', 'MQ', 'MR', 'MS', 'MT', 'MU', 'MV', 'MW', 'MX', 'MY', 'MZ', 'NA', 'NC', 'NE', 'NF', 'NG', 'NI', 'NL', 'NO', 'NP', 'NR', 'NU', 'NZ', 'OM', 'PA', 'PE', 'PF', 'PG', 'PH', 'PK', 'PL', 'PM', 'PN', 'PR', 'PS', 'PT', 'PW', 'PY', 'QA', 'RE', 'RO', 'RU', 'RW', 'SA', 'SB', 'SC', 'SD', 'SE', 'SG', 'SH', 'SI', 'SJ', 'SK', 'SL', 'SM', 'SN', 'SO', 'SR', 'ST', 'SV', 'SY', 'SZ', 'TC', 'TD', 'TF', 'TG', 'TH', 'TJ', 'TK', 'TM', 'TN', 'TO', 'TL', 'TR', 'TT', 'TV', 'TW', 'TZ', 'UA', 'UG', 'UM', 'US', 'UY', 'UZ', 'VA', 'VC', 'VE', 'VG', 'VI', 'VN', 'VU', 'WF', 'WS', 'YE', 'YT', 'RS', 'ZA', 'ZM', 'ME', 'ZW', 'A1', 'A2', 'O1', 'AX', 'GG', 'IM', 'JE', 'BL', 'MF' ); public $batch_mode = false; public $memory_mode = false; public function __construct($db_file = '../config/sxgeocity.dat', $type = SXGEO_FILE){ $this->fh = fopen($db_file, 'rb'); $header = fread($this->fh, 32); if(substr($header, 0, 3) != 'SxG') die("Can't open {$db_file}\n"); $info = unpack('Cver/Ntime/Ctype/Ccharset/Cb_idx_len/nm_idx_len/nrange/Ndb_items/Cid_len/nmax_region/nmax_city/Nregion_size/Ncity_size', substr($header, 3)); if($info['b_idx_len'] * $info['m_idx_len'] * $info['range'] * $info['db_items'] * $info['time'] * $info['id_len'] == 0) die("Wrong file format {$db_file}\n"); $this->b_idx_str = fread($this->fh, $info['b_idx_len'] * 4); $this->m_idx_str = fread($this->fh, $info['m_idx_len'] * 4); $this->range = $info['range']; $this->b_idx_len = $info['b_idx_len']; $this->m_idx_len = $info['m_idx_len']; $this->db_items = $info['db_items']; $this->id_len = $info['id_len']; $this->block_len = 3 + $this->id_len; $this->max_region = $info['max_region']; $this->max_city = $info['max_city']; $this->batch_mode = $type & SXGEO_BATCH; $this->memory_mode = $type & SXGEO_MEMORY; $this->db_begin = ftell($this->fh); if ($this->batch_mode) { $this->b_idx_arr = array_values(unpack("N*", $this->b_idx_str)); unset ($this->b_idx_str); $this->m_idx_arr = str_split($this->m_idx_str, 4); unset ($this->m_idx_str); } if ($this->memory_mode) { $this->db = fread($this->fh, $this->db_items * $this->block_len); $this->regions_db = fread($this->fh, $info['region_size']); $this->cities_db = fread($this->fh, $info['city_size']); } $this->info['regions_begin'] = $this->db_begin + $this->db_items * $this->block_len; $this->info['cities_begin'] = $this->info['regions_begin'] + $info['region_size']; } protected function search_idx($ipn, $min, $max){ if($this->batch_mode){ while($max - $min > 8){ $offset = ($min + $max) >> 1; if ($ipn > $this->m_idx_arr[$offset]) $min = $offset; else $max = $offset; } while ($ipn > $this->m_idx_arr[$min] && $min++ < $max){}; } else { while($max - $min > 8){ $offset = ($min + $max) >> 1; if ($ipn > substr($this->m_idx_str, $offset*4, 4)) $min = $offset; else $max = $offset; } while ($ipn > substr($this->m_idx_str, $min*4, 4) && $min++ < $max){}; } return $min; } protected function search_db($str, $ipn, $min, $max){ if($max - $min > 0) { $ipn = substr($ipn, 1); while($max - $min > 8){ $offset = ($min + $max) >> 1; if ($ipn > substr($str, $offset * $this->block_len, 3)) $min = $offset; else $max = $offset; } while ($ipn >= substr($str, $min * $this->block_len, 3) && $min++ < $max){}; } else { return hexdec(bin2hex(substr($str, $min * $this->block_len + 3 , 3))); } return hexdec(bin2hex(substr($str, $min * $this->block_len - $this->id_len, $this->id_len))); } public function get_num($ip){ $ip1n = (int)$ip; if($ip1n == 0 || $ip1n == 10 || $ip1n == 127 || $ip1n >= $this->b_idx_len || false === ($ipn = ip2long($ip))) return false; $ipn = pack('N', $ipn); $this->ip1c = chr($ip1n); if ($this->batch_mode){ $blocks = array('min' => $this->b_idx_arr[$ip1n-1], 'max' => $this->b_idx_arr[$ip1n]); } else { $blocks = unpack("Nmin/Nmax", substr($this->b_idx_str, ($ip1n - 1) * 4, 8)); } $part = $this->search_idx($ipn, floor($blocks['min'] / $this->range), floor($blocks['max'] / $this->range)-1); $min = $part > 0 ? $part * $this->range : 0; $max = $part > $this->m_idx_len ? $this->db_items : ($part+1) * $this->range; if($min < $blocks['min']) $min = $blocks['min']; if($max > $blocks['max']) $max = $blocks['max']; $len = $max - $min; if ($this->memory_mode) { return $this->search_db($this->db, $ipn, $min, $max); } else { fseek($this->fh, $this->db_begin + $min * $this->block_len); return $this->search_db(fread($this->fh, $len * $this->block_len), $ipn, 0, $len-1); } } protected function parseCity($seek){ if($this->memory_mode){ $raw = substr($this->cities_db, $seek, $this->max_city); } else{ fseek($this->fh, $this->info['cities_begin'] + $seek); $raw = fread($this->fh, $this->max_city); } $this->city = unpack('Nregid/Ccc/a2fips/Nlat/Nlon', $raw); $this->city['country'] = $this->cc2iso[$this->city['cc']]; $this->city['lat'] /= 1000000; $this->city['lon'] /= 1000000; $c = explode("\0", substr($raw, 15),2); $this->city['city'] = $c[0]; return $this->city; } protected function parseRegion($region_seek){ static $tz = array( '', 'Africa/Abidjan', 'Africa/Accra', 'Africa/Addis_Ababa', 'Africa/Algiers', 'Africa/Bamako', 'Africa/Banjul', 'Africa/Blantyre', 'Africa/Brazzaville', 'Africa/Bujumbura', 'Africa/Cairo', 'Africa/Casablanca', 'Africa/Ceuta', 'Africa/Conakry', 'Africa/Dakar', 'Africa/Dar_es_Salaam', 'Africa/Douala', 'Africa/Freetown', 'Africa/Gaborone', 'Africa/Harare', 'Africa/Johannesburg', 'Africa/Kampala', 'Africa/Khartoum', 'Africa/Kigali', 'Africa/Kinshasa', 'Africa/Lagos', 'Africa/Libreville', 'Africa/Luanda', 'Africa/Lubumbashi', 'Africa/Lusaka', 'Africa/Malabo', 'Africa/Maputo', 'Africa/Maseru', 'Africa/Mbabane', 'Africa/Mogadishu', 'Africa/Monrovia', 'Africa/Nairobi', 'Africa/Ndjamena', 'Africa/Niamey', 'Africa/Nouakchott', 'Africa/Ouagadougou', 'Africa/Porto-Novo', 'Africa/Tripoli', 'Africa/Tunis', 'Africa/Windhoek', 'America/Anchorage', 'America/Anguilla', 'America/Antigua', 'America/Araguaina', 'America/Argentina/Buenos_Aires', 'America/Argentina/Catamarca', 'America/Argentina/Cordoba', 'America/Argentina/Jujuy', 'America/Argentina/La_Rioja', 'America/Argentina/Mendoza', 'America/Argentina/Rio_Gallegos', 'America/Argentina/Salta', 'America/Argentina/San_Juan', 'America/Argentina/San_Luis', 'America/Argentina/Tucuman', 'America/Argentina/Ushuaia', 'America/Asuncion', 'America/Bahia', 'America/Bahia_Banderas', 'America/Barbados', 'America/Belem', 'America/Belize', 'America/Boa_Vista', 'America/Bogota', 'America/Campo_Grande', 'America/Cancun', 'America/Caracas', 'America/Chicago', 'America/Chihuahua', 'America/Costa_Rica', 'America/Cuiaba', 'America/Denver', 'America/Dominica', 'America/Edmonton', 'America/El_Salvador', 'America/Fortaleza', 'America/Godthab', 'America/Grenada', 'America/Guatemala', 'America/Guayaquil', 'America/Guyana', 'America/Halifax', 'America/Havana', 'America/Hermosillo', 'America/Indianapolis', 'America/Iqaluit', 'America/Jamaica', 'America/La_Paz', 'America/Lima', 'America/Los_Angeles', 'America/Maceio', 'America/Managua', 'America/Manaus', 'America/Matamoros', 'America/Mazatlan', 'America/Merida', 'America/Mexico_City', 'America/Moncton', 'America/Monterrey', 'America/Montevideo', 'America/Montreal', 'America/Nassau', 'America/New_York', 'America/Ojinaga', 'America/Panama', 'America/Paramaribo', 'America/Phoenix', 'America/Port_of_Spain', 'America/Port-au-Prince', 'America/Porto_Velho', 'America/Recife', 'America/Regina', 'America/Rio_Branco', 'America/Santo_Domingo', 'America/Sao_Paulo', 'America/St_Johns', 'America/St_Kitts', 'America/St_Lucia', 'America/St_Vincent', 'America/Tegucigalpa', 'America/Thule', 'America/Tijuana', 'America/Vancouver', 'America/Whitehorse', 'America/Winnipeg', 'America/Yellowknife', 'Asia/Aden', 'Asia/Almaty', 'Asia/Amman', 'Asia/Anadyr', 'Asia/Aqtau', 'Asia/Aqtobe', 'Asia/Baghdad', 'Asia/Bahrain', 'Asia/Baku', 'Asia/Bangkok', 'Asia/Beirut', 'Asia/Bishkek', 'Asia/Choibalsan', 'Asia/Chongqing', 'Asia/Colombo', 'Asia/Damascus', 'Asia/Dhaka', 'Asia/Dubai', 'Asia/Dushanbe', 'Asia/Harbin', 'Asia/Ho_Chi_Minh', 'Asia/Hong_Kong', 'Asia/Hovd', 'Asia/Irkutsk', 'Asia/Jakarta', 'Asia/Jayapura', 'Asia/Jerusalem', 'Asia/Kabul', 'Asia/Kamchatka', 'Asia/Karachi', 'Asia/Kashgar', 'Asia/Kolkata', 'Asia/Krasnoyarsk', 'Asia/Kuala_Lumpur', 'Asia/Kuching', 'Asia/Kuwait', 'Asia/Macau', 'Asia/Magadan', 'Asia/Makassar', 'Asia/Manila', 'Asia/Muscat', 'Asia/Nicosia', 'Asia/Novokuznetsk', 'Asia/Novosibirsk', 'Asia/Omsk', 'Asia/Oral', 'Asia/Phnom_Penh', 'Asia/Pontianak', 'Asia/Qatar', 'Asia/Qyzylorda', 'Asia/Riyadh', 'Asia/Sakhalin', 'Asia/Seoul', 'Asia/Shanghai', 'Asia/Singapore', 'Asia/Taipei', 'Asia/Tashkent', 'Asia/Tbilisi', 'Asia/Tehran', 'Asia/Thimphu', 'Asia/Tokyo', 'Asia/Ulaanbaatar', 'Asia/Urumqi', 'Asia/Vientiane', 'Asia/Vladivostok', 'Asia/Yakutsk', 'Asia/Yekaterinburg', 'Asia/Yerevan', 'Atlantic/Azores', 'Atlantic/Bermuda', 'Atlantic/Canary', 'Atlantic/Cape_Verde', 'Atlantic/Madeira', 'Atlantic/Reykjavik', 'Australia/Adelaide', 'Australia/Brisbane', 'Australia/Darwin', 'Australia/Hobart', 'Australia/Melbourne', 'Australia/Perth', 'Australia/Sydney', 'Chile/Santiago', 'Europe/Amsterdam', 'Europe/Andorra', 'Europe/Athens', 'Europe/Belgrade', 'Europe/Berlin', 'Europe/Bratislava', 'Europe/Brussels', 'Europe/Bucharest', 'Europe/Budapest', 'Europe/Chisinau', 'Europe/Copenhagen', 'Europe/Dublin', 'Europe/Gibraltar', 'Europe/Helsinki', 'Europe/Istanbul', 'Europe/Kaliningrad', 'Europe/Kiev', 'Europe/Lisbon', 'Europe/Ljubljana', 'Europe/London', 'Europe/Luxembourg', 'Europe/Madrid', 'Europe/Malta', 'Europe/Mariehamn', 'Europe/Minsk', 'Europe/Monaco', 'Europe/Moscow', 'Europe/Oslo', 'Europe/Paris', 'Europe/Prague', 'Europe/Riga', 'Europe/Rome', 'Europe/Samara', 'Europe/San_Marino', 'Europe/Sarajevo', 'Europe/Simferopol', 'Europe/Skopje', 'Europe/Sofia', 'Europe/Stockholm', 'Europe/Tallinn', 'Europe/Tirane', 'Europe/Uzhgorod', 'Europe/Vaduz', 'Europe/Vatican', 'Europe/Vienna', 'Europe/Vilnius', 'Europe/Volgograd', 'Europe/Warsaw', 'Europe/Yekaterinburg', 'Europe/Zagreb', 'Europe/Zaporozhye', 'Europe/Zurich', 'Indian/Antananarivo', 'Indian/Comoro', 'Indian/Mahe', 'Indian/Maldives', 'Indian/Mauritius', 'Pacific/Auckland', 'Pacific/Chatham', 'Pacific/Efate', 'Pacific/Fiji', 'Pacific/Galapagos', 'Pacific/Guadalcanal', 'Pacific/Honolulu', 'Pacific/Port_Moresby' ); if($region_seek > 0){ if($this->memory_mode){ $region = explode("\0",substr($this->regions_db, $region_seek, $this->max_region)); } else{ fseek($this->fh, $this->info['regions_begin'] + $region_seek); $region = explode("\0", fread($this->fh, $this->max_region)); } $this->city['region_name'] = $region[0]; $this->city['timezone'] = $tz[$region[1]]; } else{ $this->city['region_name'] = ''; $this->city['timezone'] = ''; } } public function get($ip){ return $this->max_city ? $this->getCity($ip) : $this->getCountry($ip); } public function getCountry($ip){ return $this->cc2iso[$this->get_num($ip)]; } public function getCountryId($ip){ return $this->get_num($ip); } public function getCity($ip){ $seek = $this->get_num($ip); if($seek > 0) return $this->parseCity($seek); else return false; } public function getCityFull($ip){ $seek = $this->get_num($ip); if($seek > 0) { $this->parseCity($seek); $this->parseRegion($this->city['regid']); return $this->city; } else return false; } }