--- /dev/null
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Database independent query interface
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.0 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_0.txt. If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @author Tomas V.V.Cox <cox@idecnet.com>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version CVS: $Id: DB.php,v 1.88 2007/08/12 05:27:25 aharvey Exp $
+ * @link http://pear.php.net/package/DB
+ */
+
+/**
+ * Obtain the PEAR class so it can be extended from
+ */
+require_once 'PEAR.php';
+
+
+// {{{ constants
+// {{{ error codes
+
+/**#@+
+ * One of PEAR DB's portable error codes.
+ * @see DB_common::errorCode(), DB::errorMessage()
+ *
+ * {@internal If you add an error code here, make sure you also add a textual
+ * version of it in DB::errorMessage().}}
+ */
+
+/**
+ * The code returned by many methods upon success
+ */
+define('DB_OK', 1);
+
+/**
+ * Unkown error
+ */
+define('DB_ERROR', -1);
+
+/**
+ * Syntax error
+ */
+define('DB_ERROR_SYNTAX', -2);
+
+/**
+ * Tried to insert a duplicate value into a primary or unique index
+ */
+define('DB_ERROR_CONSTRAINT', -3);
+
+/**
+ * An identifier in the query refers to a non-existant object
+ */
+define('DB_ERROR_NOT_FOUND', -4);
+
+/**
+ * Tried to create a duplicate object
+ */
+define('DB_ERROR_ALREADY_EXISTS', -5);
+
+/**
+ * The current driver does not support the action you attempted
+ */
+define('DB_ERROR_UNSUPPORTED', -6);
+
+/**
+ * The number of parameters does not match the number of placeholders
+ */
+define('DB_ERROR_MISMATCH', -7);
+
+/**
+ * A literal submitted did not match the data type expected
+ */
+define('DB_ERROR_INVALID', -8);
+
+/**
+ * The current DBMS does not support the action you attempted
+ */
+define('DB_ERROR_NOT_CAPABLE', -9);
+
+/**
+ * A literal submitted was too long so the end of it was removed
+ */
+define('DB_ERROR_TRUNCATED', -10);
+
+/**
+ * A literal number submitted did not match the data type expected
+ */
+define('DB_ERROR_INVALID_NUMBER', -11);
+
+/**
+ * A literal date submitted did not match the data type expected
+ */
+define('DB_ERROR_INVALID_DATE', -12);
+
+/**
+ * Attempt to divide something by zero
+ */
+define('DB_ERROR_DIVZERO', -13);
+
+/**
+ * A database needs to be selected
+ */
+define('DB_ERROR_NODBSELECTED', -14);
+
+/**
+ * Could not create the object requested
+ */
+define('DB_ERROR_CANNOT_CREATE', -15);
+
+/**
+ * Could not drop the database requested because it does not exist
+ */
+define('DB_ERROR_CANNOT_DROP', -17);
+
+/**
+ * An identifier in the query refers to a non-existant table
+ */
+define('DB_ERROR_NOSUCHTABLE', -18);
+
+/**
+ * An identifier in the query refers to a non-existant column
+ */
+define('DB_ERROR_NOSUCHFIELD', -19);
+
+/**
+ * The data submitted to the method was inappropriate
+ */
+define('DB_ERROR_NEED_MORE_DATA', -20);
+
+/**
+ * The attempt to lock the table failed
+ */
+define('DB_ERROR_NOT_LOCKED', -21);
+
+/**
+ * The number of columns doesn't match the number of values
+ */
+define('DB_ERROR_VALUE_COUNT_ON_ROW', -22);
+
+/**
+ * The DSN submitted has problems
+ */
+define('DB_ERROR_INVALID_DSN', -23);
+
+/**
+ * Could not connect to the database
+ */
+define('DB_ERROR_CONNECT_FAILED', -24);
+
+/**
+ * The PHP extension needed for this DBMS could not be found
+ */
+define('DB_ERROR_EXTENSION_NOT_FOUND',-25);
+
+/**
+ * The present user has inadequate permissions to perform the task requestd
+ */
+define('DB_ERROR_ACCESS_VIOLATION', -26);
+
+/**
+ * The database requested does not exist
+ */
+define('DB_ERROR_NOSUCHDB', -27);
+
+/**
+ * Tried to insert a null value into a column that doesn't allow nulls
+ */
+define('DB_ERROR_CONSTRAINT_NOT_NULL',-29);
+/**#@-*/
+
+
+// }}}
+// {{{ prepared statement-related
+
+
+/**#@+
+ * Identifiers for the placeholders used in prepared statements.
+ * @see DB_common::prepare()
+ */
+
+/**
+ * Indicates a scalar (<kbd>?</kbd>) placeholder was used
+ *
+ * Quote and escape the value as necessary.
+ */
+define('DB_PARAM_SCALAR', 1);
+
+/**
+ * Indicates an opaque (<kbd>&</kbd>) placeholder was used
+ *
+ * The value presented is a file name. Extract the contents of that file
+ * and place them in this column.
+ */
+define('DB_PARAM_OPAQUE', 2);
+
+/**
+ * Indicates a misc (<kbd>!</kbd>) placeholder was used
+ *
+ * The value should not be quoted or escaped.
+ */
+define('DB_PARAM_MISC', 3);
+/**#@-*/
+
+
+// }}}
+// {{{ binary data-related
+
+
+/**#@+
+ * The different ways of returning binary data from queries.
+ */
+
+/**
+ * Sends the fetched data straight through to output
+ */
+define('DB_BINMODE_PASSTHRU', 1);
+
+/**
+ * Lets you return data as usual
+ */
+define('DB_BINMODE_RETURN', 2);
+
+/**
+ * Converts the data to hex format before returning it
+ *
+ * For example the string "123" would become "313233".
+ */
+define('DB_BINMODE_CONVERT', 3);
+/**#@-*/
+
+
+// }}}
+// {{{ fetch modes
+
+
+/**#@+
+ * Fetch Modes.
+ * @see DB_common::setFetchMode()
+ */
+
+/**
+ * Indicates the current default fetch mode should be used
+ * @see DB_common::$fetchmode
+ */
+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, make the column name the first level
+ * of the array and put the row number in the second level of the array
+ *
+ * This is flipped from the normal behavior, which puts the row numbers
+ * in the first level of the array and the column names in the second level.
+ */
+define('DB_FETCHMODE_FLIPPED', 4);
+/**#@-*/
+
+/**#@+
+ * Old fetch modes. Left here 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
+
+
+/**#@+
+ * The type of information to return from the tableInfo() method.
+ *
+ * Bitwised constants, so they can be combined using <kbd>|</kbd>
+ * and removed using <kbd>^</kbd>.
+ *
+ * @see DB_common::tableInfo()
+ *
+ * {@internal Since the TABLEINFO constants are bitwised, if more of them are
+ * added in the future, make sure to adjust DB_TABLEINFO_FULL accordingly.}}
+ */
+define('DB_TABLEINFO_ORDER', 1);
+define('DB_TABLEINFO_ORDERTABLE', 2);
+define('DB_TABLEINFO_FULL', 3);
+/**#@-*/
+
+
+/**#@+
+ * The type of query to create with the automatic query building methods.
+ * @see DB_common::autoPrepare(), DB_common::autoExecute()
+ */
+define('DB_AUTOQUERY_INSERT', 1);
+define('DB_AUTOQUERY_UPDATE', 2);
+/**#@-*/
+
+
+// }}}
+// {{{ portability modes
+
+
+/**#@+
+ * Portability Modes.
+ *
+ * Bitwised constants, so they can be combined using <kbd>|</kbd>
+ * and removed using <kbd>^</kbd>.
+ *
+ * @see DB_common::setOption()
+ *
+ * {@internal Since the PORTABILITY constants are bitwised, if more of them are
+ * added in the future, make sure to adjust DB_PORTABILITY_ALL accordingly.}}
+ */
+
+/**
+ * Turn off all portability features
+ */
+define('DB_PORTABILITY_NONE', 0);
+
+/**
+ * Convert names of tables and fields to lower case
+ * when using the get*(), fetch*() and tableInfo() methods
+ */
+define('DB_PORTABILITY_LOWERCASE', 1);
+
+/**
+ * Right trim the data output by get*() and fetch*()
+ */
+define('DB_PORTABILITY_RTRIM', 2);
+
+/**
+ * Force reporting the number of rows deleted
+ */
+define('DB_PORTABILITY_DELETE_COUNT', 4);
+
+/**
+ * Enable hack that makes numRows() work in Oracle
+ */
+define('DB_PORTABILITY_NUMROWS', 8);
+
+/**
+ * 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.
+ */
+define('DB_PORTABILITY_ERRORS', 16);
+
+/**
+ * Convert null values to empty strings in data output by
+ * get*() and fetch*()
+ */
+define('DB_PORTABILITY_NULL_TO_EMPTY', 32);
+
+/**
+ * Turn on all portability features
+ */
+define('DB_PORTABILITY_ALL', 63);
+/**#@-*/
+
+// }}}
+
+
+// }}}
+// {{{ class DB
+
+/**
+ * Database independent query interface
+ *
+ * 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):
+ * <pre>
+ * 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.
+ * </pre>
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @author Tomas V.V.Cox <cox@idecnet.com>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.7.13
+ * @link http://pear.php.net/package/DB
+ */
+class DB
+{
+ // {{{ &factory()
+
+ /**
+ * Create a new DB object for the specified database type but don't
+ * connect to the database
+ *
+ * @param string $type the database type (eg "mysql")
+ * @param array $options an associative array of option names and values
+ *
+ * @return object a new DB object. A DB_Error object on failure.
+ *
+ * @see DB_common::setOption()
+ */
+ function &factory($type, $options = false)
+ {
+ if (!is_array($options)) {
+ $options = array('persistent' => $options);
+ }
+
+ if (isset($options['debug']) && $options['debug'] >= 2) {
+ // expose php errors with sufficient debug level
+ include_once "DB/{$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;
+ }
+ }
+
+ return $obj;
+ }
+
+ // }}}
+ // {{{ &connect()
+
+ /**
+ * Create a new DB object including a connection to the specified database
+ *
+ * Example 1.
+ * <code>
+ * require_once 'DB.php';
+ *
+ * $dsn = 'pgsql://user:password@host/database';
+ * $options = array(
+ * 'debug' => 2,
+ * 'portability' => DB_PORTABILITY_ALL,
+ * );
+ *
+ * $db =& DB::connect($dsn, $options);
+ * if (PEAR::isError($db)) {
+ * die($db->getMessage());
+ * }
+ * </code>
+ *
+ * @param mixed $dsn the string "data source name" or array in the
+ * format returned by DB::parseDSN()
+ * @param array $options an associative array of option names and values
+ *
+ * @return object a new DB object. A DB_Error object on failure.
+ *
+ * @uses DB_dbase::connect(), DB_fbsql::connect(), DB_ibase::connect(),
+ * DB_ifx::connect(), DB_msql::connect(), DB_mssql::connect(),
+ * DB_mysql::connect(), DB_mysqli::connect(), DB_oci8::connect(),
+ * DB_odbc::connect(), DB_pgsql::connect(), DB_sqlite::connect(),
+ * DB_sybase::connect()
+ *
+ * @uses DB::parseDSN(), DB_common::setOption(), PEAR::isError()
+ */
+ function &connect($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']) && $options['debug'] >= 2) {
+ // expose php errors with sufficient debug level
+ include_once "DB/${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)) {
+ if (is_array($dsn)) {
+ $err->addUserInfo(DB::getDSNString($dsn, true));
+ } else {
+ $err->addUserInfo($dsn);
+ }
+ return $err;
+ }
+
+ return $obj;
+ }
+
+ // }}}
+ // {{{ apiVersion()
+
+ /**
+ * Return the DB API version
+ *
+ * @return string the DB API version number
+ */
+ function apiVersion()
+ {
+ return '1.7.13';
+ }
+
+ // }}}
+ // {{{ isError()
+
+ /**
+ * Determines if a variable is a DB_Error object
+ *
+ * @param mixed $value the variable to check
+ *
+ * @return bool whether $value is DB_Error object
+ */
+ function isError($value)
+ {
+ return is_a($value, 'DB_Error');
+ }
+
+ // }}}
+ // {{{ isConnection()
+
+ /**
+ * Determines if a value is a DB_<driver> object
+ *
+ * @param mixed $value the value to test
+ *
+ * @return bool whether $value is a DB_<driver> object
+ */
+ function isConnection($value)
+ {
+ return (is_object($value) &&
+ is_subclass_of($value, 'db_common') &&
+ method_exists($value, 'simpleQuery'));
+ }
+
+ // }}}
+ // {{{ isManip()
+
+ /**
+ * Tell whether a query is a data manipulation or data definition query
+ *
+ * Examples of data manipulation queries are INSERT, UPDATE and DELETE.
+ * Examples of data definition queries are CREATE, DROP, ALTER, GRANT,
+ * REVOKE.
+ *
+ * @param string $query the query
+ *
+ * @return boolean whether $query is a data manipulation query
+ */
+ function isManip($query)
+ {
+ $manips = 'INSERT|UPDATE|DELETE|REPLACE|'
+ . 'CREATE|DROP|'
+ . 'LOAD DATA|SELECT .* INTO .* FROM|COPY|'
+ . '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 $value the DB error code
+ *
+ * @return string the error message or false if the error code was
+ * not recognized
+ */
+ function errorMessage($value)
+ {
+ static $errorMessages;
+ if (!isset($errorMessages)) {
+ $errorMessages = array(
+ DB_ERROR => 'unknown error',
+ DB_ERROR_ACCESS_VIOLATION => 'insufficient permissions',
+ DB_ERROR_ALREADY_EXISTS => 'already exists',
+ DB_ERROR_CANNOT_CREATE => 'can not create',
+ DB_ERROR_CANNOT_DROP => 'can not drop',
+ DB_ERROR_CONNECT_FAILED => 'connect failed',
+ DB_ERROR_CONSTRAINT => 'constraint violation',
+ DB_ERROR_CONSTRAINT_NOT_NULL=> 'null value violates not-null constraint',
+ DB_ERROR_DIVZERO => 'division by zero',
+ DB_ERROR_EXTENSION_NOT_FOUND=> 'extension not found',
+ DB_ERROR_INVALID => 'invalid',
+ DB_ERROR_INVALID_DATE => 'invalid date or time',
+ DB_ERROR_INVALID_DSN => 'invalid DSN',
+ DB_ERROR_INVALID_NUMBER => 'invalid number',
+ DB_ERROR_MISMATCH => 'mismatch',
+ DB_ERROR_NEED_MORE_DATA => 'insufficient data supplied',
+ DB_ERROR_NODBSELECTED => 'no database selected',
+ DB_ERROR_NOSUCHDB => 'no such database',
+ DB_ERROR_NOSUCHFIELD => 'no such field',
+ DB_ERROR_NOSUCHTABLE => 'no such table',
+ DB_ERROR_NOT_CAPABLE => 'DB backend not capable',
+ DB_ERROR_NOT_FOUND => 'not found',
+ DB_ERROR_NOT_LOCKED => 'not locked',
+ DB_ERROR_SYNTAX => 'syntax error',
+ DB_ERROR_UNSUPPORTED => 'not supported',
+ DB_ERROR_TRUNCATED => 'truncated',
+ DB_ERROR_VALUE_COUNT_ON_ROW => 'value count on row',
+ DB_OK => 'no error',
+ );
+ }
+
+ if (DB::isError($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 $dsn Data Source Name to be parsed
+ *
+ * @return array an associative array with the following keys:
+ * + phptype: Database backend used in PHP (mysql, odbc etc.)
+ * + dbsyntax: Database used with regards to SQL syntax etc.
+ * + protocol: Communication protocol to use (tcp, unix etc.)
+ * + hostspec: Host specification (hostname[:port])
+ * + database: Database to use on the DBMS server
+ * + username: User name for login
+ * + password: Password for login
+ */
+ function parseDSN($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 $dsn;
+ }
+
+ // Find phptype and dbsyntax
+ if (($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
+ // $dsn => username:password@protocol+hostspec/database
+ if (($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
+
+ if (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) {
+ // $dsn => proto(proto_opts)/database
+ $proto = $match[1];
+ $proto_opts = $match[2] ? $match[2] : false;
+ $dsn = $match[3];
+
+ } else {
+ // $dsn => protocol+hostspec/database (old format)
+ if (strpos($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 (strpos($proto_opts, ':') !== false) {
+ list($proto_opts, $parsed['port']) = explode(':', $proto_opts);
+ }
+ if ($parsed['protocol'] == 'tcp') {
+ $parsed['hostspec'] = $proto_opts;
+ } elseif ($parsed['protocol'] == 'unix') {
+ $parsed['socket'] = $proto_opts;
+ }
+
+ // Get dabase if any
+ // $dsn => database
+ if ($dsn) {
+ if (($pos = strpos($dsn, '?')) === false) {
+ // /database
+ $parsed['database'] = rawurldecode($dsn);
+ } else {
+ // /database?param1=value1¶m2=value2
+ $parsed['database'] = rawurldecode(substr($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 $parsed;
+ }
+
+ // }}}
+ // {{{ getDSNString()
+
+ /**
+ * Returns the given DSN in a string format suitable for output.
+ *
+ * @param array|string the DSN to parse and format
+ * @param boolean true to hide the password, false to include it
+ * @return string
+ */
+ function getDSNString($dsn, $hidePassword) {
+ /* Calling parseDSN will ensure that we have all the array elements
+ * defined, and means that we deal with strings and array in the same
+ * manner. */
+ $dsnArray = DB::parseDSN($dsn);
+
+ if ($hidePassword) {
+ $dsnArray['password'] = 'PASSWORD';
+ }
+
+ /* Protocol is special-cased, as using the default "tcp" along with an
+ * Oracle TNS connection string fails. */
+ if (is_string($dsn) && strpos($dsn, 'tcp') === false && $dsnArray['protocol'] == 'tcp') {
+ $dsnArray['protocol'] = false;
+ }
+
+ // Now we just have to construct the actual string. This is ugly.
+ $dsnString = $dsnArray['phptype'];
+ if ($dsnArray['dbsyntax']) {
+ $dsnString .= '('.$dsnArray['dbsyntax'].')';
+ }
+ $dsnString .= '://'
+ .$dsnArray['username']
+ .':'
+ .$dsnArray['password']
+ .'@'
+ .$dsnArray['protocol'];
+ if ($dsnArray['socket']) {
+ $dsnString .= '('.$dsnArray['socket'].')';
+ }
+ if ($dsnArray['protocol'] && $dsnArray['hostspec']) {
+ $dsnString .= '+';
+ }
+ $dsnString .= $dsnArray['hostspec'];
+ if ($dsnArray['port']) {
+ $dsnString .= ':'.$dsnArray['port'];
+ }
+ $dsnString .= '/'.$dsnArray['database'];
+
+ /* Option handling. Unfortunately, parseDSN simply places options into
+ * the top-level array, so we'll first get rid of the fields defined by
+ * DB and see what's left. */
+ unset($dsnArray['phptype'],
+ $dsnArray['dbsyntax'],
+ $dsnArray['username'],
+ $dsnArray['password'],
+ $dsnArray['protocol'],
+ $dsnArray['socket'],
+ $dsnArray['hostspec'],
+ $dsnArray['port'],
+ $dsnArray['database']
+ );
+ if (count($dsnArray) > 0) {
+ $dsnString .= '?';
+ $i = 0;
+ foreach ($dsnArray as $key => $value) {
+ if (++$i > 1) {
+ $dsnString .= '&';
+ }
+ $dsnString .= $key.'='.$value;
+ }
+ }
+
+ return $dsnString;
+ }
+
+ // }}}
+}
+
+// }}}
+// {{{ class DB_Error
+
+/**
+ * DB_Error implements a class for reporting portable database error
+ * messages
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.7.13
+ * @link http://pear.php.net/package/DB
+ */
+class DB_Error extends PEAR_Error
+{
+ // {{{ constructor
+
+ /**
+ * DB_Error constructor
+ *
+ * @param mixed $code DB error code, or string with error message
+ * @param int $mode what "error mode" to operate in
+ * @param int $level what error level to use for $mode &
+ * PEAR_ERROR_TRIGGER
+ * @param mixed $debuginfo additional debug info, such as the last query
+ *
+ * @see PEAR_Error
+ */
+ function DB_Error($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, $debuginfo);
+ }
+ }
+
+ // }}}
+}
+
+// }}}
+// {{{ class DB_result
+
+/**
+ * This class implements a wrapper for a DB result set
+ *
+ * A new instance of this class will be returned by the DB implementation
+ * after processing a query that returns data.
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.7.13
+ * @link http://pear.php.net/package/DB
+ */
+class DB_result
+{
+ // {{{ properties
+
+ /**
+ * Should results be freed automatically when there are no more rows?
+ * @var boolean
+ * @see DB_common::$options
+ */
+ var $autofree;
+
+ /**
+ * A reference to the DB_<driver> object
+ * @var object
+ */
+ var $dbh;
+
+ /**
+ * The current default fetch mode
+ * @var integer
+ * @see DB_common::$fetchmode
+ */
+ var $fetchmode;
+
+ /**
+ * The name of the class into which results should be fetched when
+ * DB_FETCHMODE_OBJECT is in effect
+ *
+ * @var string
+ * @see DB_common::$fetchmode_object_class
+ */
+ var $fetchmode_object_class;
+
+ /**
+ * The number of rows to fetch from a limit query
+ * @var integer
+ */
+ var $limit_count = null;
+
+ /**
+ * The row to start fetching from in limit queries
+ * @var integer
+ */
+ var $limit_from = null;
+
+ /**
+ * The execute parameters that created this result
+ * @var array
+ * @since Property available since Release 1.7.0
+ */
+ var $parameters;
+
+ /**
+ * The query string that created this result
+ *
+ * Copied here incase it changes in $dbh, which is referenced
+ *
+ * @var string
+ * @since Property available since Release 1.7.0
+ */
+ var $query;
+
+ /**
+ * The query result resource id created by PHP
+ * @var resource
+ */
+ var $result;
+
+ /**
+ * The present row being dealt with
+ * @var integer
+ */
+ var $row_counter = null;
+
+ /**
+ * The prepared statement resource id created by PHP in $dbh
+ *
+ * This resource is only available when the result set was created using
+ * a driver's native execute() method, not PEAR DB's emulated one.
+ *
+ * Copied here incase it changes in $dbh, which is referenced
+ *
+ * {@internal Mainly here because the InterBase/Firebird API is only
+ * able to retrieve data from result sets if the statemnt handle is
+ * still in scope.}}
+ *
+ * @var resource
+ * @since Property available since Release 1.7.0
+ */
+ var $statement;
+
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * This constructor sets the object's properties
+ *
+ * @param object &$dbh the DB object reference
+ * @param resource $result the result resource id
+ * @param array $options an associative array with result options
+ *
+ * @return void
+ */
+ function DB_result(&$dbh, $result, $options = array())
+ {
+ $this->autofree = $dbh->options['autofree'];
+ $this->dbh = &$dbh;
+ $this->fetchmode = $dbh->fetchmode;
+ $this->fetchmode_object_class = $dbh->fetchmode_object_class;
+ $this->parameters = $dbh->last_parameters;
+ $this->query = $dbh->last_query;
+ $this->result = $result;
+ $this->statement = empty($dbh->last_stmt) ? null : $dbh->last_stmt;
+ foreach ($options as $key => $value) {
+ $this->setOption($key, $value);
+ }
+ }
+
+ /**
+ * Set options for the DB_result object
+ *
+ * @param string $key the option to set
+ * @param mixed $value the value to set the option to
+ *
+ * @return void
+ */
+ function setOption($key, $value = null)
+ {
+ switch ($key) {
+ case 'limit_from':
+ $this->limit_from = $value;
+ break;
+ case 'limit_count':
+ $this->limit_count = $value;
+ }
+ }
+
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row of data and return it by reference into an array
+ *
+ * The type of array returned can be controlled either by setting this
+ * method's <var>$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().
+ *
+ * + <var>DB_PORTABILITY_LOWERCASE</var>
+ * convert names of fields to lower case
+ *
+ * + <var>DB_PORTABILITY_RTRIM</var>
+ * right trim the data
+ *
+ * @param int $fetchmode the constant indicating how to format the data
+ * @param int $rownum the row number to fetch (index starts at 0)
+ *
+ * @return mixed an array or object containing the row's data,
+ * NULL when the end of the result set is reached
+ * or a DB_Error object on failure.
+ *
+ * @see DB_common::setOption(), DB_common::setFetchMode()
+ */
+ function &fetchRow($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 = $this->fetchmode_object_class;
+ }
+ if (is_null($rownum) && $this->limit_from !== null) {
+ if ($this->row_counter === null) {
+ $this->row_counter = $this->limit_from;
+ // Skip rows
+ if ($this->dbh->features['limit'] === 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->dbh->features['limit'] === 'emulate') {
+ $rownum = $this->row_counter;
+ }
+ $this->row_counter++;
+ }
+ $res = $this->dbh->fetchInto($this->result, $arr, $fetchmode, $rownum);
+ if ($res === DB_OK) {
+ if (isset($object_class)) {
+ // The default mode is specified in the
+ // DB_common::fetchmode_object_class property
+ if ($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().
+ *
+ * + <var>DB_PORTABILITY_LOWERCASE</var>
+ * convert names of fields to lower case
+ *
+ * + <var>DB_PORTABILITY_RTRIM</var>
+ * right trim the data
+ *
+ * @param array &$arr the variable where the data should be placed
+ * @param int $fetchmode the constant indicating how to format the data
+ * @param int $rownum the row number to fetch (index starts at 0)
+ *
+ * @return mixed DB_OK if a row is processed, NULL when the end of the
+ * result set is reached or a DB_Error object on failure
+ *
+ * @see DB_common::setOption(), DB_common::setFetchMode()
+ */
+ function fetchInto(&$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 = $this->fetchmode_object_class;
+ }
+ if (is_null($rownum) && $this->limit_from !== null) {
+ if ($this->row_counter === null) {
+ $this->row_counter = $this->limit_from;
+ // Skip rows
+ if ($this->dbh->features['limit'] === 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->dbh->features['limit'] === 'emulate') {
+ $rownum = $this->row_counter;
+ }
+
+ $this->row_counter++;
+ }
+ $res = $this->dbh->fetchInto($this->result, $arr, $fetchmode, $rownum);
+ if ($res === DB_OK) {
+ if (isset($object_class)) {
+ // default mode specified in the
+ // DB_common::fetchmode_object_class property
+ if ($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. A DB_Error object on failure.
+ */
+ function numCols()
+ {
+ return $this->dbh->numCols($this->result);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Get the number of rows in a result set
+ *
+ * @return int the number of rows. A DB_Error object on failure.
+ */
+ function numRows()
+ {
+ if ($this->dbh->features['numrows'] === 'emulate'
+ && $this->dbh->options['portability'] & DB_PORTABILITY_NUMROWS)
+ {
+ if ($this->dbh->features['prepare']) {
+ $res = $this->dbh->query($this->query, $this->parameters);
+ } else {
+ $res = $this->dbh->query($this->query);
+ }
+ if (DB::isError($res)) {
+ return $res;
+ }
+ $i = 0;
+ while ($res->fetchInto($tmp, DB_FETCHMODE_ORDERED)) {
+ $i++;
+ }
+ $count = $i;
+ } else {
+ $count = $this->dbh->numRows($this->result);
+ }
+
+ /* fbsql is checked for here because limit queries are implemented
+ * using a TOP() function, which results in fbsql_num_rows still
+ * returning the total number of rows that would have been returned,
+ * rather than the real number. As a result, we'll just do the limit
+ * calculations for fbsql in the same way as a database with emulated
+ * limits. Unfortunately, we can't just do this in DB_fbsql::numRows()
+ * because that only gets the result resource, rather than the full
+ * DB_Result object. */
+ if (($this->dbh->features['limit'] === 'emulate'
+ && $this->limit_from !== null)
+ || $this->dbh->phptype == 'fbsql') {
+ $limit_count = is_null($this->limit_count) ? $count : $this->limit_count;
+ if ($count < $this->limit_from) {
+ $count = 0;
+ } elseif ($count < ($this->limit_from + $limit_count)) {
+ $count -= $this->limit_from;
+ } else {
+ $count = $limit_count;
+ }
+ }
+
+ return $count;
+ }
+
+ // }}}
+ // {{{ 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
+ */
+ function nextResult()
+ {
+ return $this->dbh->nextResult($this->result);
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Frees the resources allocated for this result set
+ *
+ * @return bool true on success. A DB_Error object on failure.
+ */
+ function free()
+ {
+ $err = $this->dbh->freeResult($this->result);
+ if (DB::isError($err)) {
+ return $err;
+ }
+ $this->result = false;
+ $this->statement = false;
+ return true;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * @see DB_common::tableInfo()
+ * @deprecated Method deprecated some time before Release 1.2
+ */
+ function tableInfo($mode = null)
+ {
+ if (is_string($mode)) {
+ return $this->dbh->raiseError(DB_ERROR_NEED_MORE_DATA);
+ }
+ return $this->dbh->tableInfo($this, $mode);
+ }
+
+ // }}}
+ // {{{ getQuery()
+
+ /**
+ * Determine the query string that created this result
+ *
+ * @return string the query string
+ *
+ * @since Method available since Release 1.7.0
+ */
+ function getQuery()
+ {
+ return $this->query;
+ }
+
+ // }}}
+ // {{{ getRowCounter()
+
+ /**
+ * Tells which row number is currently being processed
+ *
+ * @return integer the current row being looked at. Starts at 1.
+ */
+ function getRowCounter()
+ {
+ return $this->row_counter;
+ }
+
+ // }}}
+}
+
+// }}}
+// {{{ class DB_row
+
+/**
+ * PEAR DB Row Object
+ *
+ * The object contains a row of data from a result set. Each column's data
+ * is placed in a property named for the column.
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.7.13
+ * @link http://pear.php.net/package/DB
+ * @see DB_common::setFetchMode()
+ */
+class DB_row
+{
+ // {{{ constructor
+
+ /**
+ * The constructor places a row's data into properties of this object
+ *
+ * @param array the array containing the row's data
+ *
+ * @return void
+ */
+ function DB_row(&$arr)
+ {
+ foreach ($arr as $key => $value) {
+ $this->$key = &$arr[$key];
+ }
+ }
+
+ // }}}
+}
+
+// }}}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ */
+
+?>
projects / quix0rs-gnu-social.git / commitdiff