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<?php/*// create instance protocol://user:pass@host/db?charset=UTF8&persist=TRUE&timezone=Europe/Sofia$db = DB::get('mysqli://root@127.0.0.1/test');$db = DB::get('oracle://root:pass@VIRT/?charset=AL32UTF8');// execute a non-resulting query (returns boolean true)$db->query('UPDATE table SET value = 1 WHERE id = ?', array(1));// get all results as array$db->all('SELECT * FROM table WHERE id = ?', array(1), "array_key", bool_skip_key, "assoc"/"num");// get one result$db->one('SELECT * FROM table WHERE id = ?', array(1), "assoc"/"num");// get a traversable object to pass to foreach, or use count(), or use direct access: [INDEX]$db->get('SELECT * FROM table WHERE id = ?', array(1), "assoc"/"num")[1];*/namespace{class db{private function __construct() {}public function __clone() {throw new \vakata\database\Exception('Cannot clone static DB');}public static function get($settings = null) {return new \vakata\database\DBC($settings);}public static function getc($settings = null, \vakata\cache\ICache $c = null) {if($c === null) { $c = \vakata\cache\cache::inst(); }return new \vakata\database\DBCCached($settings, $c);}}}namespace vakata\database{class Exception extends \Exception{}class Settings{public $type = null;public $username = 'root';public $password = null;public $database = null;public $servername = 'localhost';public $serverport = null;public $persist = false;public $timezone = null;public $charset = 'UTF8';public function __construct($settings) {$str = parse_url($settings);if(!$str) {throw new Exception('Malformed DB settings string: ' . $settings);}if(array_key_exists('scheme',$str)) {$this->type = rawurldecode($str['scheme']);}if(array_key_exists('user',$str)) {$this->username = rawurldecode($str['user']);}if(array_key_exists('pass',$str)) {$this->password = rawurldecode($str['pass']);}if(array_key_exists('path',$str)) {$this->database = trim(rawurldecode($str['path']),'/');}if(array_key_exists('host',$str)) {$this->servername = rawurldecode($str['host']);}if(array_key_exists('port',$str)) {$this->serverport = rawurldecode($str['port']);}if(array_key_exists('query',$str)) {parse_str($str['query'], $str);$this->persist = (array_key_exists('persist', $str) && $str['persist'] === 'TRUE');if(array_key_exists('charset', $str)) {$this->charset = $str['charset'];}if(array_key_exists('timezone', $str)) {$this->timezone = $str['timezone'];}}}}interface IDB{public function connect();public function query($sql, $vars);public function get($sql, $data, $key, $skip_key, $mode);public function all($sql, $data, $key, $skip_key, $mode);public function one($sql, $data, $mode);public function raw($sql);public function prepare($sql);public function execute($data);public function disconnect();}interface IDriver{public function prepare($sql);public function execute($data);public function query($sql, $data);public function nextr($result);public function seek($result, $row);public function nf($result);public function af();public function insert_id();public function real_query($sql);public function get_settings();}abstract class ADriver implements IDriver{protected $lnk = null;protected $settings = null;public function __construct(Settings $settings) {$this->settings = $settings;}public function __destruct() {if($this->is_connected()) {$this->disconnect();}}public function get_settings() {return $this->settings;}public function connect() {}public function is_connected() {return $this->lnk !== null;}public function disconnect() {}public function query($sql, $data = array()) {return $this->execute($this->prepare($sql), $data);}public function prepare($sql) {if(!$this->is_connected()) { $this->connect(); }return $sql;}public function execute($sql, $data = array()) {if(!$this->is_connected()) { $this->connect(); }if(!is_array($data)) { $data = array(); }$binder = '?';if(strpos($sql, $binder) !== false && is_array($data) && count($data)) {$tmp = explode($binder, $sql);if(!is_array($data)) { $data = array($data); }$data = array_values($data);if(count($data) >= count($tmp)) { $data = array_slice($data, 0, count($tmp)-1); }$sql = $tmp[0];foreach($data as $i => $v) {$sql .= $this->escape($v) . $tmp[($i + 1)];}}return $this->real_query($sql);}public function real_query($sql) {if(!$this->is_connected()) { $this->connect(); }}protected function escape($input) {if(is_array($input)) {foreach($input as $k => $v) {$input[$k] = $this->escape($v);}return implode(',',$input);}if(is_string($input)) {$input = addslashes($input);return "'".$input."'";}if(is_bool($input)) {return $input === false ? 0 : 1;}if(is_null($input)) {return 'NULL';}return $input;}public function nextr($result) {}public function nf($result) {}public function af() {}public function insert_id() {}public function seek($result, $row) {}}class Result implements \Iterator, \ArrayAccess, \Countable{protected $all = null;protected $rdy = false;protected $rslt = null;protected $mode = null;protected $fake = null;protected $skip = false;protected $fake_key = 0;protected $real_key = 0;public function __construct(Query $rslt, $key = null, $skip_key = false, $mode = 'assoc') {$this->rslt = $rslt;$this->mode = $mode;$this->fake = $key;$this->skip = $skip_key;}public function count() {return $this->rdy ? count($this->all) : $this->rslt->nf();}public function current() {if(!$this->count()) {return null;}if($this->rdy) {return current($this->all);}$tmp = $this->rslt->row();$row = array();switch($this->mode) {case 'num':foreach($tmp as $k => $v) {if(is_int($k)) {$row[$k] = $v;}}break;case 'both':$row = $tmp;break;case 'assoc':default:foreach($tmp as $k => $v) {if(!is_int($k)) {$row[$k] = $v;}}break;}if($this->fake) {$this->fake_key = $row[$this->fake];}if($this->skip) {unset($row[$this->fake]);}if(is_array($row) && count($row) === 1) {$row = current($row);}return $row;}public function key() {if($this->rdy) {return key($this->all);}return $this->fake ? $this->fake_key : $this->real_key;}public function next() {if($this->rdy) {return next($this->all);}$this->rslt->nextr();$this->real_key++;}public function rewind() {if($this->rdy) {return reset($this->all);}if($this->real_key !== null) {$this->rslt->seek(($this->real_key = 0));}$this->rslt->nextr();}public function valid() {if($this->rdy) {return current($this->all) !== false;}return $this->rslt->row() !== false && $this->rslt->row() !== null;}public function one() {$this->rewind();return $this->current();}public function get() {if(!$this->rdy) {$this->all = array();foreach($this as $k => $v) {$this->all[$k] = $v;}$this->rdy = true;}return $this->all;}public function offsetExists($offset) {if($this->rdy) {return isset($this->all[$offset]);}if($this->fake === null) {return $this->rslt->seek(($this->real_key = $offset));}$this->get();return isset($this->all[$offset]);}public function offsetGet($offset) {if($this->rdy) {return $this->all[$offset];}if($this->fake === null) {$this->rslt->seek(($this->real_key = $offset));$this->rslt->nextr();return $this->current();}$this->get();return $this->all[$offset];}public function offsetSet ($offset, $value ) {throw new Exception('Cannot set result');}public function offsetUnset ($offset) {throw new Exception('Cannot unset result');}public function __sleep() {$this->get();return array('all', 'rdy', 'mode', 'fake', 'skip');}public function __toString() {return print_r($this->get(), true);}}class Query{protected $drv = null;protected $sql = null;protected $prp = null;protected $rsl = null;protected $row = null;protected $num = null;protected $aff = null;protected $iid = null;public function __construct(IDriver $drv, $sql) {$this->drv = $drv;$this->sql = $sql;$this->prp = $this->drv->prepare($sql);}public function execute($vars = array()) {$this->rsl = $this->drv->execute($this->prp, $vars);$this->num = (is_object($this->rsl) || is_resource($this->rsl)) && is_callable(array($this->drv, 'nf')) ? (int)@$this->drv->nf($this->rsl) : 0;$this->aff = $this->drv->af();$this->iid = $this->drv->insert_id();return $this;}public function result($key = null, $skip_key = false, $mode = 'assoc') {return new Result($this, $key, $skip_key, $mode);}public function row() {return $this->row;}public function f($field) {return $this->row[$field];}public function nextr() {$this->row = $this->drv->nextr($this->rsl);return $this->row !== false && $this->row !== null;}public function seek($offset) {return @$this->drv->seek($this->rsl, $offset) ? true : false;}public function nf() {return $this->num;}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}}class DBC implements IDB{protected $drv = null;protected $que = null;public function __construct($drv = null) {if(!$drv && defined('DATABASE')) {$drv = DATABASE;}if(!$drv) {$this->error('Could not create database (no settings)');}if(is_string($drv)) {$drv = new \vakata\database\Settings($drv);}if($drv instanceof Settings) {$tmp = '\\vakata\\database\\' . $drv->type . '_driver';if(!class_exists($tmp)) {$this->error('Could not create database (no driver: '.$drv->type.')');}$drv = new $tmp($drv);}if(!($drv instanceof IDriver)) {$this->error('Could not create database - wrong driver');}$this->drv = $drv;}public function connect() {if(!$this->drv->is_connected()) {try {$this->drv->connect();}catch (Exception $e) {$this->error($e->getMessage(), 1);}}return true;}public function disconnect() {if($this->drv->is_connected()) {$this->drv->disconnect();}}public function prepare($sql) {try {$this->que = new Query($this->drv, $sql);return $this->que;} catch (Exception $e) {$this->error($e->getMessage(), 2);}}public function execute($data = array()) {try {return $this->que->execute($data);} catch (Exception $e) {$this->error($e->getMessage(), 3);}}public function query($sql, $data = array()) {try {$this->que = new Query($this->drv, $sql);return $this->que->execute($data);}catch (Exception $e) {$this->error($e->getMessage(), 4);}}public function get($sql, $data = array(), $key = null, $skip_key = false, $mode = 'assoc') {return $this->query($sql, $data)->result($key, $skip_key, $mode);}public function all($sql, $data = array(), $key = null, $skip_key = false, $mode = 'assoc') {return $this->get($sql, $data, $key, $skip_key, $mode)->get();}public function one($sql, $data = array(), $mode = 'assoc') {return $this->query($sql, $data)->result(null, false, $mode)->one();}public function raw($sql) {return $this->drv->real_query($sql);}public function get_driver() {return $this->drv->get_settings()->type;}public function __call($method, $args) {if($this->que && is_callable(array($this->que, $method))) {try {return call_user_func_array(array($this->que, $method), $args);} catch (Exception $e) {$this->error($e->getMessage(), 5);}}}protected final function error($error = '') {$dirnm = defined('LOGROOT') ? LOGROOT : realpath(dirname(__FILE__));@file_put_contents($dirnm . DIRECTORY_SEPARATOR . '_errors_sql.log','[' . date('d-M-Y H:i:s') . '] ' . $this->settings->type . ' > ' . preg_replace("@[\s\r\n\t]+@", ' ', $error) . "\n",FILE_APPEND);throw new Exception($error);}}class DBCCached extends DBC{protected $cache_inst = null;protected $cache_nmsp = null;public function __construct($settings = null, \vakata\cache\ICache $c = null) {parent::__construct($settings);$this->cache_inst = $c;$this->cache_nmsp = 'DBCCached_' . md5(serialize($this->drv->get_settings()));}public function cache($expires, $sql, $data = array(), $key = null, $skip_key = false, $mode = 'assoc') {$arg = func_get_args();array_shift($arg);$key = md5(serialize($arg));if(!$this->cache_inst) {return call_user_func_array(array($this, 'all'), $arg);}$tmp = $this->cache_inst->get($key, $this->cache_nmsp);if(!$tmp) {$this->cache_inst->prep($key, $this->cache_nmsp);$tmp = call_user_func_array(array($this, 'all'), $arg);$this->cache_inst->set($key, $tmp, $this->cache_nmsp, $expires);}return $tmp;}public function clear() {if($this->cache_inst) {$this->cache_inst->clear($this->cache_nmsp);}}}class mysqli_driver extends ADriver{protected $iid = 0;protected $aff = 0;protected $mnd = false;public function __construct($settings) {parent::__construct($settings);if(!$this->settings->serverport) { $this->settings->serverport = 3306; }$this->mnd = function_exists('mysqli_fetch_all');}public function connect() {$this->lnk = new \mysqli(($this->settings->persist ? 'p:' : '') . $this->settings->servername,$this->settings->username,$this->settings->password,$this->settings->database,$this->settings->serverport);if($this->lnk->connect_errno) {throw new Exception('Connect error: ' . $this->lnk->connect_errno);}if(!$this->lnk->set_charset($this->settings->charset)) {throw new Exception('Charset error: ' . $this->lnk->connect_errno);}if($this->settings->timezone) {@$this->lnk->query("SET time_zone = '" . addslashes($this->settings->timezone) . "'");}return true;}public function disconnect() {if($this->is_connected()) {@$this->lnk->close();}}public function real_query($sql) {if(!$this->is_connected()) { $this->connect(); }$temp = $this->lnk->query($sql);if(!$temp) {throw new Exception('Could not execute query : ' . $this->lnk->error . ' <'.$sql.'>');}$this->iid = $this->lnk->insert_id;$this->aff = $this->lnk->affected_rows;return $temp;}public function nextr($result) {if($this->mnd) {return $result->fetch_array(MYSQL_BOTH);}else {$ref = $result->result_metadata();if(!$ref) { return false; }$tmp = mysqli_fetch_fields($ref);if(!$tmp) { return false; }$ref = array();foreach($tmp as $col) { $ref[$col->name] = null; }$tmp = array();foreach($ref as $k => $v) { $tmp[] =& $ref[$k]; }if(!call_user_func_array(array($result, 'bind_result'), $tmp)) { return false; }if(!$result->fetch()) { return false; }$tmp = array();$i = 0;foreach($ref as $k => $v) { $tmp[$i++] = $v; $tmp[$k] = $v; }return $tmp;}}public function seek($result, $row) {$temp = $result->data_seek($row);return $temp;}public function nf($result) {return $result->num_rows;}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}public function prepare($sql) {if(!$this->is_connected()) { $this->connect(); }$temp = $this->lnk->prepare($sql);if(!$temp) {throw new Exception('Could not prepare : ' . $this->lnk->error . ' <'.$sql.'>');}return $temp;}public function execute($sql, $data = array()) {if(!$this->is_connected()) { $this->connect(); }if(!is_array($data)) { $data = array(); }if(is_string($sql)) {return parent::execute($sql, $data);}$data = array_values($data);if($sql->param_count) {if(count($data) < $sql->param_count) {throw new Exception('Prepared execute - not enough parameters.');}$ref = array('');foreach($data as $i => $v) {switch(gettype($v)) {case "boolean":case "integer":$data[$i] = (int)$v;$ref[0] .= 'i';$ref[$i+1] =& $data[$i];break;case "double":$ref[0] .= 'd';$ref[$i+1] =& $data[$i];break;case "array":$data[$i] = implode(',',$v);$ref[0] .= 's';$ref[$i+1] =& $data[$i];break;case "object":case "resource":$data[$i] = serialize($data[$i]);$ref[0] .= 's';$ref[$i+1] =& $data[$i];break;default:$ref[0] .= 's';$ref[$i+1] =& $data[$i];break;}}call_user_func_array(array($sql, 'bind_param'), $ref);}$rtrn = $sql->execute();if(!$this->mnd) {$sql->store_result();}if(!$rtrn) {throw new Exception('Prepared execute error : ' . $this->lnk->error);}$this->iid = $this->lnk->insert_id;$this->aff = $this->lnk->affected_rows;if(!$this->mnd) {return $sql->field_count ? $sql : $rtrn;}else {return $sql->field_count ? $sql->get_result() : $rtrn;}}protected function escape($input) {if(is_array($input)) {foreach($input as $k => $v) {$input[$k] = $this->escape($v);}return implode(',',$input);}if(is_string($input)) {$input = $this->lnk->real_escape_string($input);return "'".$input."'";}if(is_bool($input)) {return $input === false ? 0 : 1;}if(is_null($input)) {return 'NULL';}return $input;}}class mysql_driver extends ADriver{protected $iid = 0;protected $aff = 0;public function __construct($settings) {parent::__construct($settings);if(!$this->settings->serverport) { $this->settings->serverport = 3306; }}public function connect() {$this->lnk = ($this->settings->persist) ?@mysql_pconnect($this->settings->servername.':'.$this->settings->serverport,$this->settings->username,$this->settings->password) :@mysql_connect($this->settings->servername.':'.$this->settings->serverport,$this->settings->username,$this->settings->password);if($this->lnk === false || !mysql_select_db($this->settings->database, $this->lnk) || !mysql_query("SET NAMES '".$this->settings->charset."'", $this->lnk)) {throw new Exception('Connect error: ' . mysql_error());}if($this->settings->timezone) {@mysql_query("SET time_zone = '" . addslashes($this->settings->timezone) . "'", $this->lnk);}return true;}public function disconnect() {if(is_resource($this->lnk)) {mysql_close($this->lnk);}}public function real_query($sql) {if(!$this->is_connected()) { $this->connect(); }$temp = mysql_query($sql, $this->lnk);if(!$temp) {throw new Exception('Could not execute query : ' . mysql_error($this->lnk) . ' <'.$sql.'>');}$this->iid = mysql_insert_id($this->lnk);$this->aff = mysql_affected_rows($this->lnk);return $temp;}public function nextr($result) {return mysql_fetch_array($result, MYSQL_BOTH);}public function seek($result, $row) {$temp = @mysql_data_seek($result, $row);if(!$temp) {//throw new Exception('Could not seek : ' . mysql_error($this->lnk));}return $temp;}public function nf($result) {return mysql_num_rows($result);}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}protected function escape($input) {if(is_array($input)) {foreach($input as $k => $v) {$input[$k] = $this->escape($v);}return implode(',',$input);}if(is_string($input)) {$input = mysql_real_escape_string($input, $this->lnk);return "'".$input."'";}if(is_bool($input)) {return $input === false ? 0 : 1;}if(is_null($input)) {return 'NULL';}return $input;}}class postgre_driver extends ADriver{protected $iid = 0;protected $aff = 0;public function __construct($settings) {parent::__construct($settings);if(!$this->settings->serverport) { $this->settings->serverport = 5432; }}public function connect() {$this->lnk = ($this->settings->persist) ?@pg_pconnect("host=" . $this->settings->servername . " " ."port=" . $this->settings->serverport . " " ."user=" . $this->settings->username . " " ."password=" . $this->settings->password . " " ."dbname=" . $this->settings->database . " " ."options='--client_encoding=".strtoupper($this->settings->charset)."' ") :@pg_connect("host=" . $this->settings->servername . " " ."port=" . $this->settings->serverport . " " ."user=" . $this->settings->username . " " ."password=" . $this->settings->password . " " ."dbname=" . $this->settings->database . " " ."options='--client_encoding=".strtoupper($this->settings->charset)."' ");if($this->lnk === false) {throw new Exception('Connect error');}if($this->settings->timezone) {@pg_query($this->lnk, "SET TIME ZONE '".addslashes($this->settings->timezone)."'");}return true;}public function disconnect() {if(is_resource($this->lnk)) {pg_close($this->lnk);}}public function real_query($sql) {return $this->query($sql);}public function prepare($sql) {if(!$this->is_connected()) { $this->connect(); }$binder = '?';if(strpos($sql, $binder) !== false) {$tmp = explode($binder, $sql);$sql = $tmp[0];foreach($tmp as $i => $v) {$sql .= '$' . ($i + 1);if(isset($tmp[($i + 1)])) {$sql .= $tmp[($i + 1)];}}}return $sql;}public function execute($sql, $data = array()) {if(!$this->is_connected()) { $this->connect(); }if(!is_array($data)) { $data = array(); }$temp = (is_array($data) && count($data)) ? pg_query_params($this->lnk, $sql, $data) : pg_query_params($this->lnk, $sql, array());if(!$temp) {throw new Exception('Could not execute query : ' . pg_last_error($this->lnk) . ' <'.$sql.'>');}if(preg_match('@^\s*(INSERT|REPLACE)\s+INTO@i', $sql)) {$this->iid = pg_query($this->lnk, 'SELECT lastval()');$this->aff = pg_affected_rows($temp);}return $temp;}public function nextr($result) {return pg_fetch_array($result, NULL, PGSQL_BOTH);}public function seek($result, $row) {$temp = @pg_result_seek($result, $row);if(!$temp) {//throw new Exception('Could not seek : ' . pg_last_error($this->lnk));}return $temp;}public function nf($result) {return pg_num_rows($result);}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}// Функция mysql_query?// - http://okbob.blogspot.com/2009/08/mysql-functions-for-postgresql.html// - http://www.xach.com/aolserver/mysql-to-postgresql.html// - REPLACE unixtimestamp / limit / curdate}class oracle_driver extends ADriver{protected $iid = 0;protected $aff = 0;public function connect() {$this->lnk = ($this->settings->persist) ?@oci_pconnect($this->settings->username, $this->settings->password, $this->settings->servername, $this->settings->charset) :@oci_connect ($this->settings->username, $this->settings->password, $this->settings->servername, $this->settings->charset);if($this->lnk === false) {throw new Exception('Connect error : ' . oci_error());}if($this->settings->timezone) {$this->real_query("ALTER session SET time_zone = '" . addslashes($this->settings->timezone) . "'");}return true;}public function disconnect() {if(is_resource($this->lnk)) {oci_close($this->lnk);}}public function real_query($sql) {if(!$this->is_connected()) { $this->connect(); }$temp = oci_parse($this->lnk, $sql);if(!$temp || !oci_execute($temp)) {throw new Exception('Could not execute real query : ' . oci_error($temp));}$this->aff = oci_num_rows($temp);return $temp;}public function prepare($sql) {if(!$this->is_connected()) { $this->connect(); }$binder = '?';if(strpos($sql, $binder) !== false && $vars !== false) {$tmp = explode($this->binder, $sql);$sql = $tmp[0];foreach($tmp as $i => $v) {$sql .= ':f' . $i;if(isset($tmp[($i + 1)])) {$sql .= $tmp[($i + 1)];}}}return oci_parse($this->lnk, $sql);}public function execute($sql, $data = array()) {if(!$this->is_connected()) { $this->connect(); }if(!is_array($data)) { $data = array(); }$data = array_values($data);foreach($data as $i => $v) {switch(gettype($v)) {case "boolean":case "integer":$data[$i] = (int)$v;oci_bind_by_name($sql, 'f'.$i, $data[$i], SQLT_INT);break;case "array":$data[$i] = implode(',',$v);oci_bind_by_name($sql, 'f'.$i, $data[$i]);break;case "object":case "resource":$data[$i] = serialize($data[$i]);oci_bind_by_name($sql, 'f'.$i, $data[$i]);break;default:oci_bind_by_name($sql, 'f'.$i, $data[$i]);break;}}$temp = oci_execute($sql);if(!$temp) {throw new Exception('Could not execute query : ' . oci_error($sql));}$this->aff = oci_num_rows($sql);/* TO DO: get iidif(!$seqname) { return $this->error('INSERT_ID not supported with no sequence.'); }$stm = oci_parse($this->link, 'SELECT '.strtoupper(str_replace("'",'',$seqname)).'.CURRVAL FROM DUAL');oci_execute($stm, $sql);$tmp = oci_fetch_array($stm);$tmp = $tmp[0];oci_free_statement($stm);*/return $sql;}public function nextr($result) {return oci_fetch_array($result, OCI_BOTH);}public function seek($result, $row) {$cnt = 0;while($cnt < $row) {if(oci_fetch_array($result, OCI_BOTH) === false) {return false;}$cnt++;}return true;}public function nf($result) {return oci_num_rows($result);}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}}class ibase_driver extends ADriver{protected $iid = 0;protected $aff = 0;public function __construct($settings) {parent::__construct($settings);if(!is_file($this->settings->database) && is_file('/'.$this->settings->database)) {$this->settings->database = '/'.$this->settings->database;}$this->settings->servername = ($this->settings->servername === 'localhost' || $this->settings->servername === '127.0.0.1' || $this->settings->servername === '') ?'' :$this->settings->servername . ':';}public function connect() {$this->lnk = ($this->settings->persist) ?@ibase_pconnect($this->settings->servername . $this->settings->database,$this->settings->username,$this->settings->password,strtoupper($this->settings->charset)) :@ibase_connect($this->settings->servername . $this->settings->database,$this->settings->username,$this->settings->password,strtoupper($this->settings->charset));if($this->lnk === false) {throw new Exception('Connect error: ' . ibase_errmsg());}return true;}public function disconnect() {if(is_resource($this->lnk)) {ibase_close($this->lnk);}}public function real_query($sql) {if(!$this->is_connected()) { $this->connect(); }$temp = ibase_query($sql, $this->lnk);if(!$temp) {throw new Exception('Could not execute query : ' . ibase_errmsg() . ' <'.$sql.'>');}//$this->iid = mysql_insert_id($this->lnk);$this->aff = ibase_affected_rows($this->lnk);return $temp;}public function prepare($sql) {if(!$this->is_connected()) { $this->connect(); }return ibase_prepare($this->lnk, $sql);}public function execute($sql, $data = array()) {if(!$this->is_connected()) { $this->connect(); }if(!is_array($data)) { $data = array(); }$data = array_values($data);foreach($data as $i => $v) {switch(gettype($v)) {case "boolean":case "integer":$data[$i] = (int)$v;break;case "array":$data[$i] = implode(',',$v);break;case "object":case "resource":$data[$i] = serialize($data[$i]);break;}}array_unshift($data, $sql);$temp = call_user_func_array("ibase_execute", $data);if(!$temp) {throw new Exception('Could not execute query : ' . ibase_errmsg() . ' <'.$sql.'>');}$this->aff = ibase_affected_rows($this->lnk);return $temp;}public function nextr($result) {return ibase_fetch_assoc($result, IBASE_TEXT);}public function seek($result, $row) {return false;}public function nf($result) {return false;}public function af() {return $this->aff;}public function insert_id() {return $this->iid;}}}