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msd2/myoos/includes/lib/adodb/adodb-pear.inc.php
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370
msd2/myoos/includes/lib/adodb/adodb-pear.inc.php
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<?php
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/**
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* @version v5.20.14 06-Jan-2019
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* @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
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* @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
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* Released under both BSD license and Lesser GPL library license.
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* Whenever there is any discrepancy between the two licenses,
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* the BSD license will take precedence.
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*
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* Set tabs to 4 for best viewing.
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*
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* PEAR DB Emulation Layer for ADODB.
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*
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* The following code is modelled on PEAR DB code by Stig Bakken <ssb@fast.no> |
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* and Tomas V.V.Cox <cox@idecnet.com>. Portions (c)1997-2002 The PHP Group.
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*/
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/*
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We support:
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DB_Common
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---------
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query - returns PEAR_Error on error
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limitQuery - return PEAR_Error on error
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prepare - does not return PEAR_Error on error
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execute - does not return PEAR_Error on error
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setFetchMode - supports ASSOC and ORDERED
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errorNative
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quote
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nextID
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disconnect
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getOne
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getAssoc
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getRow
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getCol
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getAll
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DB_Result
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---------
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numRows - returns -1 if not supported
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numCols
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fetchInto - does not support passing of fetchmode
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fetchRows - does not support passing of fetchmode
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free
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*/
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define('ADODB_PEAR',dirname(__FILE__));
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include_once "PEAR.php";
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include_once ADODB_PEAR."/adodb-errorpear.inc.php";
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include_once ADODB_PEAR."/adodb.inc.php";
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if (!defined('DB_OK')) {
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define("DB_OK", 1);
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define("DB_ERROR",-1);
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/**
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* This is a special constant that tells DB the user hasn't specified
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* any particular get mode, so the default should be used.
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*/
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define('DB_FETCHMODE_DEFAULT', 0);
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/**
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* Column data indexed by numbers, ordered from 0 and up
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*/
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define('DB_FETCHMODE_ORDERED', 1);
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/**
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* Column data indexed by column names
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*/
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define('DB_FETCHMODE_ASSOC', 2);
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/* for compatibility */
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define('DB_GETMODE_ORDERED', DB_FETCHMODE_ORDERED);
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define('DB_GETMODE_ASSOC', DB_FETCHMODE_ASSOC);
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/**
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* these are constants for the tableInfo-function
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* they are bitwised or'ed. so if there are more constants to be defined
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* in the future, adjust DB_TABLEINFO_FULL accordingly
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*/
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define('DB_TABLEINFO_ORDER', 1);
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define('DB_TABLEINFO_ORDERTABLE', 2);
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define('DB_TABLEINFO_FULL', 3);
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}
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/**
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* The main "DB" class is simply a container class with some static
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* methods for creating DB objects as well as some utility functions
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* common to all parts of DB.
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*
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*/
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class DB
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{
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/**
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* Create a new DB object for the specified database type
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*
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* @param $type string database type, for example "mysql"
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*
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* @return object a newly created DB object, or a DB error code on
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* error
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*/
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function factory($type)
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{
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include_once(ADODB_DIR."/drivers/adodb-$type.inc.php");
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$obj = NewADOConnection($type);
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if (!is_object($obj)) $obj = new PEAR_Error('Unknown Database Driver: '.$dsninfo['phptype'],-1);
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return $obj;
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}
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/**
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* Create a new DB object and connect to the specified database
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*
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* @param $dsn mixed "data source name", see the DB::parseDSN
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* method for a description of the dsn format. Can also be
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* specified as an array of the format returned by DB::parseDSN.
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*
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* @param $options mixed if boolean (or scalar), tells whether
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* this connection should be persistent (for backends that support
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* this). This parameter can also be an array of options, see
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* DB_common::setOption for more information on connection
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* options.
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*
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* @return object a newly created DB connection object, or a DB
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* error object on error
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*
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* @see DB::parseDSN
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* @see DB::isError
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*/
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function connect($dsn, $options = false)
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{
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if (is_array($dsn)) {
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$dsninfo = $dsn;
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} else {
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$dsninfo = DB::parseDSN($dsn);
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}
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switch ($dsninfo["phptype"]) {
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case 'pgsql': $type = 'postgres7'; break;
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case 'ifx': $type = 'informix9'; break;
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default: $type = $dsninfo["phptype"]; break;
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}
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if (is_array($options) && isset($options["debug"]) &&
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$options["debug"] >= 2) {
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// expose php errors with sufficient debug level
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@include_once("adodb-$type.inc.php");
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} else {
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@include_once("adodb-$type.inc.php");
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}
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@$obj = NewADOConnection($type);
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if (!is_object($obj)) {
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$obj = new PEAR_Error('Unknown Database Driver: '.$dsninfo['phptype'],-1);
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return $obj;
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}
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if (is_array($options)) {
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foreach($options as $k => $v) {
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switch(strtolower($k)) {
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case 'persist':
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case 'persistent': $persist = $v; break;
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#ibase
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case 'dialect': $obj->dialect = $v; break;
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case 'charset': $obj->charset = $v; break;
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case 'buffers': $obj->buffers = $v; break;
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#ado
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case 'charpage': $obj->charPage = $v; break;
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#mysql
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case 'clientflags': $obj->clientFlags = $v; break;
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}
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}
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} else {
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$persist = false;
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}
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if (isset($dsninfo['socket'])) $dsninfo['hostspec'] .= ':'.$dsninfo['socket'];
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else if (isset($dsninfo['port'])) $dsninfo['hostspec'] .= ':'.$dsninfo['port'];
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if($persist) $ok = $obj->PConnect($dsninfo['hostspec'], $dsninfo['username'],$dsninfo['password'],$dsninfo['database']);
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else $ok = $obj->Connect($dsninfo['hostspec'], $dsninfo['username'],$dsninfo['password'],$dsninfo['database']);
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if (!$ok) $obj = ADODB_PEAR_Error();
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return $obj;
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}
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/**
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* Return the DB API version
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*
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* @return int the DB API version number
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*/
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function apiVersion()
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{
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return 2;
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}
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/**
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* Tell whether a result code from a DB method is an error
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*
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* @param $value int result code
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*
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* @return bool whether $value is an error
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*/
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function isError($value)
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{
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if (!is_object($value)) return false;
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$class = strtolower(get_class($value));
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return $class == 'pear_error' || is_subclass_of($value, 'pear_error') ||
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$class == 'db_error' || is_subclass_of($value, 'db_error');
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}
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/**
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* Tell whether a result code from a DB method is a warning.
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* Warnings differ from errors in that they are generated by DB,
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* and are not fatal.
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*
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* @param $value mixed result value
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*
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* @return bool whether $value is a warning
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*/
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function isWarning($value)
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{
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return false;
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/*
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return is_object($value) &&
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(get_class( $value ) == "db_warning" ||
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is_subclass_of($value, "db_warning"));*/
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}
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/**
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* Parse a data source name
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*
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* @param $dsn string Data Source Name to be parsed
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*
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* @return array an associative array with the following keys:
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*
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* phptype: Database backend used in PHP (mysql, odbc etc.)
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* dbsyntax: Database used with regards to SQL syntax etc.
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* protocol: Communication protocol to use (tcp, unix etc.)
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* hostspec: Host specification (hostname[:port])
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* database: Database to use on the DBMS server
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* username: User name for login
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* password: Password for login
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*
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* The format of the supplied DSN is in its fullest form:
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*
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* phptype(dbsyntax)://username:password@protocol+hostspec/database
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*
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* Most variations are allowed:
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*
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* phptype://username:password@protocol+hostspec:110//usr/db_file.db
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* phptype://username:password@hostspec/database_name
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* phptype://username:password@hostspec
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* phptype://username@hostspec
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* phptype://hostspec/database
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* phptype://hostspec
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* phptype(dbsyntax)
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* phptype
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*
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* @author Tomas V.V.Cox <cox@idecnet.com>
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*/
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function parseDSN($dsn)
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{
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if (is_array($dsn)) {
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return $dsn;
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}
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$parsed = array(
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'phptype' => false,
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'dbsyntax' => false,
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'protocol' => false,
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'hostspec' => false,
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'database' => false,
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'username' => false,
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'password' => false
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);
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// Find phptype and dbsyntax
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if (($pos = strpos($dsn, '://')) !== false) {
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$str = substr($dsn, 0, $pos);
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$dsn = substr($dsn, $pos + 3);
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} else {
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$str = $dsn;
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$dsn = NULL;
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}
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// Get phptype and dbsyntax
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// $str => phptype(dbsyntax)
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if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {
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$parsed['phptype'] = $arr[1];
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$parsed['dbsyntax'] = (empty($arr[2])) ? $arr[1] : $arr[2];
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} else {
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$parsed['phptype'] = $str;
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$parsed['dbsyntax'] = $str;
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}
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if (empty($dsn)) {
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return $parsed;
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}
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// Get (if found): username and password
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// $dsn => username:password@protocol+hostspec/database
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if (($at = strpos($dsn,'@')) !== false) {
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$str = substr($dsn, 0, $at);
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$dsn = substr($dsn, $at + 1);
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if (($pos = strpos($str, ':')) !== false) {
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$parsed['username'] = urldecode(substr($str, 0, $pos));
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$parsed['password'] = urldecode(substr($str, $pos + 1));
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} else {
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$parsed['username'] = urldecode($str);
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}
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}
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// Find protocol and hostspec
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// $dsn => protocol+hostspec/database
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if (($pos=strpos($dsn, '/')) !== false) {
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$str = substr($dsn, 0, $pos);
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$dsn = substr($dsn, $pos + 1);
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} else {
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$str = $dsn;
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$dsn = NULL;
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}
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// Get protocol + hostspec
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// $str => protocol+hostspec
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if (($pos=strpos($str, '+')) !== false) {
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$parsed['protocol'] = substr($str, 0, $pos);
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$parsed['hostspec'] = urldecode(substr($str, $pos + 1));
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} else {
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$parsed['hostspec'] = urldecode($str);
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}
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// Get dabase if any
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// $dsn => database
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if (!empty($dsn)) {
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$parsed['database'] = $dsn;
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}
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return $parsed;
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}
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/**
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* Load a PHP database extension if it is not loaded already.
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*
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* @access public
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*
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* @param $name the base name of the extension (without the .so or
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* .dll suffix)
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*
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* @return bool true if the extension was already or successfully
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* loaded, false if it could not be loaded
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*/
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function assertExtension($name)
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{
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if (function_exists('dl') && !extension_loaded($name)) {
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$dlext = (strncmp(PHP_OS,'WIN',3) === 0) ? '.dll' : '.so';
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@dl($name . $dlext);
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}
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if (!extension_loaded($name)) {
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return false;
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}
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return true;
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}
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}
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