Rev 418 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | RSS feed
<?php/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */// +----------------------------------------------------------------------+// | PHP Version 4 |// +----------------------------------------------------------------------+// | Copyright (c) 1997-2004 The PHP Group |// +----------------------------------------------------------------------+// | This source file is subject to version 2.02 of the PHP license, |// | that is bundled with this package in the file LICENSE, and is |// | available at through the world-wide-web at |// | http://www.php.net/license/2_02.txt. |// | If you did not receive a copy of the PHP license and are unable to |// | obtain it through the world-wide-web, please send a note to |// | license@php.net so we can mail you a copy immediately. |// +----------------------------------------------------------------------+// | Authors: Stig Bakken <ssb@php.net> |// | Tomas V.V.Cox <cox@idecnet.com> |// | Maintainer: Daniel Convissor <danielc@php.net> |// +----------------------------------------------------------------------+//// $Id$//// Database independent query interface.require_once 'PEAR.php';// {{{ constants// {{{ error codes/** The method mapErrorCode in each DB_dbtype implementation maps* native error codes to one of these.** If you add an error code here, make sure you also add a textual* version of it in DB::errorMessage().*/define('DB_OK', 1);define('DB_ERROR', -1);define('DB_ERROR_SYNTAX', -2);define('DB_ERROR_CONSTRAINT', -3);define('DB_ERROR_NOT_FOUND', -4);define('DB_ERROR_ALREADY_EXISTS', -5);define('DB_ERROR_UNSUPPORTED', -6);define('DB_ERROR_MISMATCH', -7);define('DB_ERROR_INVALID', -8);define('DB_ERROR_NOT_CAPABLE', -9);define('DB_ERROR_TRUNCATED', -10);define('DB_ERROR_INVALID_NUMBER', -11);define('DB_ERROR_INVALID_DATE', -12);define('DB_ERROR_DIVZERO', -13);define('DB_ERROR_NODBSELECTED', -14);define('DB_ERROR_CANNOT_CREATE', -15);define('DB_ERROR_CANNOT_DELETE', -16);define('DB_ERROR_CANNOT_DROP', -17);define('DB_ERROR_NOSUCHTABLE', -18);define('DB_ERROR_NOSUCHFIELD', -19);define('DB_ERROR_NEED_MORE_DATA', -20);define('DB_ERROR_NOT_LOCKED', -21);define('DB_ERROR_VALUE_COUNT_ON_ROW', -22);define('DB_ERROR_INVALID_DSN', -23);define('DB_ERROR_CONNECT_FAILED', -24);define('DB_ERROR_EXTENSION_NOT_FOUND',-25);define('DB_ERROR_ACCESS_VIOLATION', -26);define('DB_ERROR_NOSUCHDB', -27);define('DB_ERROR_CONSTRAINT_NOT_NULL',-29);// }}}// {{{ prepared statement-related/** These constants are used when storing information about prepared* statements (using the "prepare" method in DB_dbtype).** The prepare/execute model in DB is mostly borrowed from the ODBC* extension, in a query the "?" character means a scalar parameter.* There are two extensions though, a "&" character means an opaque* parameter. An opaque parameter is simply a file name, the real* data are in that file (useful for putting uploaded files into your* database and such). The "!" char means a parameter that must be* left as it is.* They modify the quote behavoir:* DB_PARAM_SCALAR (?) => 'original string quoted'* DB_PARAM_OPAQUE (&) => 'string from file quoted'* DB_PARAM_MISC (!) => original string*/define('DB_PARAM_SCALAR', 1);define('DB_PARAM_OPAQUE', 2);define('DB_PARAM_MISC', 3);// }}}// {{{ binary data-related/** These constants define different ways of returning binary data* from queries. Again, this model has been borrowed from the ODBC* extension.** DB_BINMODE_PASSTHRU sends the data directly through to the browser* when data is fetched from the database.* DB_BINMODE_RETURN lets you return data as usual.* DB_BINMODE_CONVERT returns data as well, only it is converted to* hex format, for example the string "123" would become "313233".*/define('DB_BINMODE_PASSTHRU', 1);define('DB_BINMODE_RETURN', 2);define('DB_BINMODE_CONVERT', 3);// }}}// {{{ fetch modes/*** This is a special constant that tells DB the user hasn't specified* any particular get mode, so the default should be used.*/define('DB_FETCHMODE_DEFAULT', 0);/*** Column data indexed by numbers, ordered from 0 and up*/define('DB_FETCHMODE_ORDERED', 1);/*** Column data indexed by column names*/define('DB_FETCHMODE_ASSOC', 2);/*** Column data as object properties*/define('DB_FETCHMODE_OBJECT', 3);/*** For multi-dimensional results: normally the first level of arrays* is the row number, and the second level indexed by column number or name.* DB_FETCHMODE_FLIPPED switches this order, so the first level of arrays* is the column name, and the second level the row number.*/define('DB_FETCHMODE_FLIPPED', 4);/* for compatibility */define('DB_GETMODE_ORDERED', DB_FETCHMODE_ORDERED);define('DB_GETMODE_ASSOC', DB_FETCHMODE_ASSOC);define('DB_GETMODE_FLIPPED', DB_FETCHMODE_FLIPPED);// }}}// {{{ tableInfo() && autoPrepare()-related/*** these are constants for the tableInfo-function* they are bitwised or'ed. so if there are more constants to be defined* in the future, adjust DB_TABLEINFO_FULL accordingly*/define('DB_TABLEINFO_ORDER', 1);define('DB_TABLEINFO_ORDERTABLE', 2);define('DB_TABLEINFO_FULL', 3);/** Used by autoPrepare()*/define('DB_AUTOQUERY_INSERT', 1);define('DB_AUTOQUERY_UPDATE', 2);// }}}// {{{ portability modes/*** Portability: turn off all portability features.* @see DB_common::setOption()*/define('DB_PORTABILITY_NONE', 0);/*** Portability: convert names of tables and fields to lower case* when using the get*(), fetch*() and tableInfo() methods.* @see DB_common::setOption()*/define('DB_PORTABILITY_LOWERCASE', 1);/*** Portability: right trim the data output by get*() and fetch*().* @see DB_common::setOption()*/define('DB_PORTABILITY_RTRIM', 2);/*** Portability: force reporting the number of rows deleted.* @see DB_common::setOption()*/define('DB_PORTABILITY_DELETE_COUNT', 4);/*** Portability: enable hack that makes numRows() work in Oracle.* @see DB_common::setOption()*/define('DB_PORTABILITY_NUMROWS', 8);/*** Portability: makes certain error messages in certain drivers compatible* with those from other DBMS's.** + mysql, mysqli: change unique/primary key constraints* DB_ERROR_ALREADY_EXISTS -> DB_ERROR_CONSTRAINT** + odbc(access): MS's ODBC driver reports 'no such field' as code* 07001, which means 'too few parameters.' When this option is on* that code gets mapped to DB_ERROR_NOSUCHFIELD.** @see DB_common::setOption()*/define('DB_PORTABILITY_ERRORS', 16);/*** Portability: convert null values to empty strings in data output by* get*() and fetch*().* @see DB_common::setOption()*/define('DB_PORTABILITY_NULL_TO_EMPTY', 32);/*** Portability: turn on all portability features.* @see DB_common::setOption()*/define('DB_PORTABILITY_ALL', 63);// }}}// }}}// {{{ class DB/*** The main "DB" class is simply a container class with some static* methods for creating DB objects as well as some utility functions* common to all parts of DB.** The object model of DB is as follows (indentation means inheritance):** DB The main DB class. This is simply a utility class* with some "static" methods for creating DB objects as* well as common utility functions for other DB classes.** DB_common The base for each DB implementation. Provides default* | implementations (in OO lingo virtual methods) for* | the actual DB implementations as well as a bunch of* | query utility functions.* |* +-DB_mysql The DB implementation for MySQL. Inherits DB_common.* When calling DB::factory or DB::connect for MySQL* connections, the object returned is an instance of this* class.** @package DB* @author Stig Bakken <ssb@php.net>* @author Tomas V.V.Cox <cox@idecnet.com>* @since PHP 4.0* @version $Id$* @category Database*/class DB{// {{{ &factory()/*** Create a new DB object for the specified database type.** Allows creation of a DB_<driver> object from which the object's* methods can be utilized without actually connecting to a database.** @param string $type database type, for example "mysql"* @param array $options associative array of option names and values** @return object a new DB object. On error, an error object.** @see DB_common::setOption()* @access public*/function &factory($type, $options = false){if (!is_array($options)) {$options = array('persistent' => $options);}if (isset($options['debug']) && $options['debug'] >= 2) {// expose php errors with sufficient debug levelinclude_once "DB/{$type}.php";} else {@include_once "DB/{$type}.php";}$classname = "DB_${type}";if (!class_exists($classname)) {$tmp = PEAR::raiseError(null, DB_ERROR_NOT_FOUND, null, null,"Unable to include the DB/{$type}.php file",'DB_Error', true);return $tmp;}@$obj =& new $classname;foreach ($options as $option => $value) {$test = $obj->setOption($option, $value);if (DB::isError($test)) {return $test;}}return $obj;}// }}}// {{{ &connect()/*** Create a new DB object and connect to the specified database.** Example 1.* <code> <?php* require_once 'DB.php';** $dsn = 'mysql://user:password@host/database'* $options = array(* 'debug' => 2,* 'portability' => DB_PORTABILITY_ALL,* );** $dbh =& DB::connect($dsn, $options);* if (DB::isError($dbh)) {* die($dbh->getMessage());* }* ?></code>** @param mixed $dsn string "data source name" or an array in the* format returned by DB::parseDSN()** @param array $options an associative array of option names and* their values** @return object a newly created DB connection object, or a DB* error object on error** @see DB::parseDSN(), DB_common::setOption(), DB::isError()* @access public*/function &connect($dsn, $options = array()){$dsninfo = DB::parseDSN($dsn);$type = $dsninfo['phptype'];if (!is_array($options)) {/** For backwards compatibility. $options used to be boolean,* indicating whether the connection should be persistent.*/$options = array('persistent' => $options);}if (isset($options['debug']) && $options['debug'] >= 2) {// expose php errors with sufficient debug levelinclude_once "DB/${type}.php";} else {@include_once "DB/${type}.php";}$classname = "DB_${type}";if (!class_exists($classname)) {$tmp = PEAR::raiseError(null, DB_ERROR_NOT_FOUND, null, null,"Unable to include the DB/{$type}.php file for `$dsn'",'DB_Error', true);return $tmp;}@$obj =& new $classname;foreach ($options as $option => $value) {$test = $obj->setOption($option, $value);if (DB::isError($test)) {return $test;}}$err = $obj->connect($dsninfo, $obj->getOption('persistent'));if (DB::isError($err)) {$err->addUserInfo($dsn);return $err;}return $obj;}// }}}// {{{ apiVersion()/*** Return the DB API version** @return int the DB API version number** @access public*/function apiVersion(){return 2;}// }}}// {{{ isError()/*** Tell whether a result code from a DB method is an error** @param int $value result code** @return bool whether $value is an error** @access public*/function isError($value){return is_a($value, 'DB_Error');}// }}}// {{{ isConnection()/*** Tell whether a value is a DB connection** @param mixed $value value to test** @return bool whether $value is a DB connection** @access public*/function isConnection($value){return (is_object($value) &&is_subclass_of($value, 'db_common') &&method_exists($value, 'simpleQuery'));}// }}}// {{{ isManip()/*** Tell whether a query is a data manipulation query (insert,* update or delete) or a data definition query (create, drop,* alter, grant, revoke).** @access public** @param string $query the query** @return boolean whether $query is a data manipulation query*/function isManip($query){$manips = 'INSERT|UPDATE|DELETE|LOAD DATA|'.'REPLACE|CREATE|DROP|'.'ALTER|GRANT|REVOKE|'.'LOCK|UNLOCK';if (preg_match('/^\s*"?('.$manips.')\s+/i', $query)) {return true;}return false;}// }}}// {{{ errorMessage()/*** Return a textual error message for a DB error code** @param integer $value error code** @return string error message, or false if the error code was* not recognized*/function errorMessage($value){static $errorMessages;if (!isset($errorMessages)) {$errorMessages = array(DB_ERROR => 'unknown error',DB_ERROR_ALREADY_EXISTS => 'already exists',DB_ERROR_CANNOT_CREATE => 'can not create',DB_ERROR_CANNOT_DELETE => 'can not delete',DB_ERROR_CANNOT_DROP => 'can not drop',DB_ERROR_CONSTRAINT => 'constraint violation',DB_ERROR_CONSTRAINT_NOT_NULL=> 'null value violates not-null constraint',DB_ERROR_DIVZERO => 'division by zero',DB_ERROR_INVALID => 'invalid',DB_ERROR_INVALID_DATE => 'invalid date or time',DB_ERROR_INVALID_NUMBER => 'invalid number',DB_ERROR_MISMATCH => 'mismatch',DB_ERROR_NODBSELECTED => 'no database selected',DB_ERROR_NOSUCHFIELD => 'no such field',DB_ERROR_NOSUCHTABLE => 'no such table',DB_ERROR_NOT_CAPABLE => 'DB backend not capable',DB_ERROR_NOT_FOUND => 'not found',DB_ERROR_NOT_LOCKED => 'not locked',DB_ERROR_SYNTAX => 'syntax error',DB_ERROR_UNSUPPORTED => 'not supported',DB_ERROR_VALUE_COUNT_ON_ROW => 'value count on row',DB_ERROR_INVALID_DSN => 'invalid DSN',DB_ERROR_CONNECT_FAILED => 'connect failed',DB_OK => 'no error',DB_ERROR_NEED_MORE_DATA => 'insufficient data supplied',DB_ERROR_EXTENSION_NOT_FOUND=> 'extension not found',DB_ERROR_NOSUCHDB => 'no such database',DB_ERROR_ACCESS_VIOLATION => 'insufficient permissions',DB_ERROR_TRUNCATED => 'truncated');}if (DB::isError($value)) {$value = $value->getCode();}return isset($errorMessages[$value]) ? $errorMessages[$value] : $errorMessages[DB_ERROR];}// }}}// {{{ parseDSN()/*** Parse a data source name.** Additional keys can be added by appending a URI query string to the* end of the DSN.** The format of the supplied DSN is in its fullest form:* <code>* phptype(dbsyntax)://username:password@protocol+hostspec/database?option=8&another=true* </code>** Most variations are allowed:* <code>* phptype://username:password@protocol+hostspec:110//usr/db_file.db?mode=0644* phptype://username:password@hostspec/database_name* phptype://username:password@hostspec* phptype://username@hostspec* phptype://hostspec/database* phptype://hostspec* phptype(dbsyntax)* phptype* </code>** @param string $dsn Data Source Name to be parsed** @return array an associative array with the following keys:* + phptype: Database backend used in PHP (mysql, odbc etc.)* + dbsyntax: Database used with regards to SQL syntax etc.* + protocol: Communication protocol to use (tcp, unix etc.)* + hostspec: Host specification (hostname[:port])* + database: Database to use on the DBMS server* + username: User name for login* + password: Password for login** @author Tomas V.V.Cox <cox@idecnet.com>*/function parseDSN($dsn){$parsed = array('phptype' => false,'dbsyntax' => false,'username' => false,'password' => false,'protocol' => false,'hostspec' => false,'port' => false,'socket' => false,'database' => false,);if (is_array($dsn)) {$dsn = array_merge($parsed, $dsn);if (!$dsn['dbsyntax']) {$dsn['dbsyntax'] = $dsn['phptype'];}return $dsn;}// Find phptype and dbsyntaxif (($pos = strpos($dsn, '://')) !== false) {$str = substr($dsn, 0, $pos);$dsn = substr($dsn, $pos + 3);} else {$str = $dsn;$dsn = null;}// Get phptype and dbsyntax// $str => phptype(dbsyntax)if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {$parsed['phptype'] = $arr[1];$parsed['dbsyntax'] = !$arr[2] ? $arr[1] : $arr[2];} else {$parsed['phptype'] = $str;$parsed['dbsyntax'] = $str;}if (!count($dsn)) {return $parsed;}// Get (if found): username and password// $dsn => username:password@protocol+hostspec/databaseif (($at = strrpos($dsn,'@')) !== false) {$str = substr($dsn, 0, $at);$dsn = substr($dsn, $at + 1);if (($pos = strpos($str, ':')) !== false) {$parsed['username'] = rawurldecode(substr($str, 0, $pos));$parsed['password'] = rawurldecode(substr($str, $pos + 1));} else {$parsed['username'] = rawurldecode($str);}}// Find protocol and hostspec// $dsn => proto(proto_opts)/databaseif (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) {$proto = $match[1];$proto_opts = $match[2] ? $match[2] : false;$dsn = $match[3];// $dsn => protocol+hostspec/database (old format)} else {if (strpos($dsn, '+') !== false) {list($proto, $dsn) = explode('+', $dsn, 2);}if (strpos($dsn, '/') !== false) {list($proto_opts, $dsn) = explode('/', $dsn, 2);} else {$proto_opts = $dsn;$dsn = null;}}// process the different protocol options$parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';$proto_opts = rawurldecode($proto_opts);if ($parsed['protocol'] == 'tcp') {if (strpos($proto_opts, ':') !== false) {list($parsed['hostspec'], $parsed['port']) = explode(':', $proto_opts);} else {$parsed['hostspec'] = $proto_opts;}} elseif ($parsed['protocol'] == 'unix') {$parsed['socket'] = $proto_opts;}// Get dabase if any// $dsn => databaseif ($dsn) {// /databaseif (($pos = strpos($dsn, '?')) === false) {$parsed['database'] = $dsn;// /database?param1=value1¶m2=value2} else {$parsed['database'] = substr($dsn, 0, $pos);$dsn = substr($dsn, $pos + 1);if (strpos($dsn, '&') !== false) {$opts = explode('&', $dsn);} else { // database?param1=value1$opts = array($dsn);}foreach ($opts as $opt) {list($key, $value) = explode('=', $opt);if (!isset($parsed[$key])) {// don't allow params overwrite$parsed[$key] = rawurldecode($value);}}}}return $parsed;}// }}}// {{{ assertExtension()/*** Load a PHP database extension if it is not loaded already.** @access public** @param string $name the base name of the extension (without the .so or* .dll suffix)** @return boolean true if the extension was already or successfully* loaded, false if it could not be loaded*/function assertExtension($name){if (!extension_loaded($name)) {$dlext = OS_WINDOWS ? '.dll' : '.so';$dlprefix = OS_WINDOWS ? 'php_' : '';@dl($dlprefix . $name . $dlext);return extension_loaded($name);}return true;}// }}}}// }}}// {{{ class DB_Error/*** DB_Error implements a class for reporting portable database error* messages.** @package DB* @author Stig Bakken <ssb@php.net>*/class DB_Error extends PEAR_Error{// {{{ constructor/*** DB_Error constructor.** @param mixed $code DB error code, or string with error message.* @param integer $mode what "error mode" to operate in* @param integer $level what error level to use for $mode & PEAR_ERROR_TRIGGER* @param mixed $debuginfo additional debug info, such as the last query** @access public** @see PEAR_Error*/function DB_Error($code = DB_ERROR, $mode = PEAR_ERROR_RETURN,$level = E_USER_NOTICE, $debuginfo = null){if (is_int($code)) {$this->PEAR_Error('DB Error: ' . DB::errorMessage($code), $code, $mode, $level, $debuginfo);} else {$this->PEAR_Error("DB Error: $code", DB_ERROR, $mode, $level, $debuginfo);}}// }}}}// }}}// {{{ class DB_result/*** This class implements a wrapper for a DB result set.* A new instance of this class will be returned by the DB implementation* after processing a query that returns data.** @package DB* @author Stig Bakken <ssb@php.net>*/class DB_result{// {{{ propertiesvar $dbh;var $result;var $row_counter = null;/*** for limit queries, the row to start fetching* @var integer*/var $limit_from = null;/*** for limit queries, the number of rows to fetch* @var integer*/var $limit_count = null;// }}}// {{{ constructor/*** DB_result constructor.* @param resource &$dbh DB object reference* @param resource $result result resource id* @param array $options assoc array with optional result options*/function DB_result(&$dbh, $result, $options = array()){$this->dbh = &$dbh;$this->result = $result;foreach ($options as $key => $value) {$this->setOption($key, $value);}$this->limit_type = $dbh->features['limit'];$this->autofree = $dbh->options['autofree'];$this->fetchmode = $dbh->fetchmode;$this->fetchmode_object_class = $dbh->fetchmode_object_class;}function setOption($key, $value = null){switch ($key) {case 'limit_from':$this->limit_from = $value; break;case 'limit_count':$this->limit_count = $value; break;}}// }}}// {{{ fetchRow()/*** Fetch a row of data and return it by reference into an array.** The type of array returned can be controlled either by setting this* method's <var>$fetchmode</var> parameter or by changing the default* fetch mode setFetchMode() before calling this method.** There are two options for standardizing the information returned* from databases, ensuring their values are consistent when changing* DBMS's. These portability options can be turned on when creating a* new DB object or by using setOption().** + <samp>DB_PORTABILITY_LOWERCASE</samp>* convert names of fields to lower case** + <samp>DB_PORTABILITY_RTRIM</samp>* right trim the data** @param int $fetchmode how the resulting array should be indexed* @param int $rownum the row number to fetch** @return array a row of data, null on no more rows or PEAR_Error* object on error** @see DB_common::setOption(), DB_common::setFetchMode()* @access public*/function &fetchRow($fetchmode = DB_FETCHMODE_DEFAULT, $rownum=null){if ($fetchmode === DB_FETCHMODE_DEFAULT) {$fetchmode = $this->fetchmode;}if ($fetchmode === DB_FETCHMODE_OBJECT) {$fetchmode = DB_FETCHMODE_ASSOC;$object_class = $this->fetchmode_object_class;}if ($this->limit_from !== null) {if ($this->row_counter === null) {$this->row_counter = $this->limit_from;// Skip rowsif ($this->limit_type == false) {$i = 0;while ($i++ < $this->limit_from) {$this->dbh->fetchInto($this->result, $arr, $fetchmode);}}}if ($this->row_counter >= ($this->limit_from + $this->limit_count)){if ($this->autofree) {$this->free();}$tmp = null;return $tmp;}if ($this->limit_type == 'emulate') {$rownum = $this->row_counter;}$this->row_counter++;}$res = $this->dbh->fetchInto($this->result, $arr, $fetchmode, $rownum);if ($res === DB_OK) {if (isset($object_class)) {// default mode specified in DB_common::fetchmode_object_class propertyif ($object_class == 'stdClass') {$arr = (object) $arr;} else {$arr = &new $object_class($arr);}}return $arr;}if ($res == null && $this->autofree) {$this->free();}return $res;}// }}}// {{{ fetchInto()/*** Fetch a row of data into an array which is passed by reference.** The type of array returned can be controlled either by setting this* method's <var>$fetchmode</var> parameter or by changing the default* fetch mode setFetchMode() before calling this method.** There are two options for standardizing the information returned* from databases, ensuring their values are consistent when changing* DBMS's. These portability options can be turned on when creating a* new DB object or by using setOption().** + <samp>DB_PORTABILITY_LOWERCASE</samp>* convert names of fields to lower case** + <samp>DB_PORTABILITY_RTRIM</samp>* right trim the data** @param array &$arr (reference) array where data from the row* should be placed* @param int $fetchmode how the resulting array should be indexed* @param int $rownum the row number to fetch** @return mixed DB_OK on success, null on no more rows or* a DB_Error object on error** @see DB_common::setOption(), DB_common::setFetchMode()* @access public*/function fetchInto(&$arr, $fetchmode = DB_FETCHMODE_DEFAULT, $rownum=null){if ($fetchmode === DB_FETCHMODE_DEFAULT) {$fetchmode = $this->fetchmode;}if ($fetchmode === DB_FETCHMODE_OBJECT) {$fetchmode = DB_FETCHMODE_ASSOC;$object_class = $this->fetchmode_object_class;}if ($this->limit_from !== null) {if ($this->row_counter === null) {$this->row_counter = $this->limit_from;// Skip rowsif ($this->limit_type == false) {$i = 0;while ($i++ < $this->limit_from) {$this->dbh->fetchInto($this->result, $arr, $fetchmode);}}}if ($this->row_counter >= ($this->limit_from + $this->limit_count)){if ($this->autofree) {$this->free();}return null;}if ($this->limit_type == 'emulate') {$rownum = $this->row_counter;}$this->row_counter++;}$res = $this->dbh->fetchInto($this->result, $arr, $fetchmode, $rownum);if ($res === DB_OK) {if (isset($object_class)) {// default mode specified in DB_common::fetchmode_object_class propertyif ($object_class == 'stdClass') {$arr = (object) $arr;} else {$arr = new $object_class($arr);}}return DB_OK;}if ($res == null && $this->autofree) {$this->free();}return $res;}// }}}// {{{ numCols()/*** Get the the number of columns in a result set.** @return int the number of columns, or a DB error** @access public*/function numCols(){return $this->dbh->numCols($this->result);}// }}}// {{{ numRows()/*** Get the number of rows in a result set.** @return int the number of rows, or a DB error** @access public*/function numRows(){return $this->dbh->numRows($this->result);}// }}}// {{{ nextResult()/*** Get the next result if a batch of queries was executed.** @return bool true if a new result is available or false if not.** @access public*/function nextResult(){return $this->dbh->nextResult($this->result);}// }}}// {{{ free()/*** Frees the resources allocated for this result set.* @return int error code** @access public*/function free(){$err = $this->dbh->freeResult($this->result);if (DB::isError($err)) {return $err;}$this->result = false;return true;}// }}}// {{{ tableInfo()/*** @deprecated* @internal* @see DB_common::tableInfo()*/function tableInfo($mode = null){if (is_string($mode)) {return $this->dbh->raiseError(DB_ERROR_NEED_MORE_DATA);}return $this->dbh->tableInfo($this, $mode);}// }}}// {{{ getRowCounter()/*** returns the actual row number* @return integer*/function getRowCounter(){return $this->row_counter;}// }}}}// }}}// {{{ class DB_row/*** Pear DB Row Object* @see DB_common::setFetchMode()*/class DB_row{// {{{ constructor/*** constructor** @param resource row data as array*/function DB_row(&$arr){foreach ($arr as $key => $value) {$this->$key = &$arr[$key];}}// }}}}// }}}/** Local variables:* tab-width: 4* c-basic-offset: 4* End:*/?>