<?php
/*
sql.php - PHP functions for obscuring datasource, database_result and database_connection classes
Copyright (C) 2003 Erik Giberti (AF-Design), All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
if (!defined("_SQL_TOOLKIT_FUNCTIONS_")){
define("_SQL_TOOLKIT_FUNCTIONS_", TRUE);
/*
CONFIGURATION OPTIONS
*/
// Set this to your include path for the system. This is most important on
// shared hosting solutions where you may not be able to put these files
// into a global include directory.
$includesPath = "";
// optional files, you can comment out the rows you know you will not use
// to save processing time.
require($includesPath . "sql_xml.php"); // for importing xml data (not required for export)
/*
FILE DEPENDENCY
*/
// these are the three class types required
require($includesPath . "datasource.php");
require($includesPath . "database_connection.php");
require($includesPath . "database_result.php");
// location of your datasource config file. You will need to edit this file to
// setup all the datasources you will want to use.
require($includesPath . "datasource_config.php");
/*
DATA MANIPULATION AND RETURN FUNCTIONS FOR CLASS: database_connection
*/
// class:database_connection database_connect(class:datasource);
function database_connect(&$connection_settings){
return new database_connection($connection_settings);
}
function database_query(&$db_connection, $query){
return new database_result($db_connection->query_connection($query), $db_connection->get_dbtype());
}
function database_close(&$db_connection){
return $db_connection->close_connection();
}
/*
DATA MANIPULATION AND RETURN FUNCTIONS FOR CLASS: database_result
*/
// utility functions
function database_fetch_data(&$db_result){
return $db_result->result_data();
}
function database_fetch_info(&$db_result){
return $db_result->result_info();
}
function database_free_result(&$db_result){
// this is a hack since as of php 4.3.1 unsetting a pass by reference doesn't really work.
// unset($db_result);
$db_result = 0;
return TRUE;
}
// return result rows
function database_fetch_assoc(&$db_result){
return $db_result->fetch_assoc();
}
function database_fetch_row(&$db_result){
return $db_result->fetch_row();
}
function database_fetch_object(&$db_result){
return $db_result->fetch_object();
}
// return info about result set
function database_num_rows(&$db_result){
return $db_result->num_rows();
}
function database_num_fields(&$db_result){
return $db_result->num_fields();
}
// manipulate the internal pointer
function database_data_seek(&$db_result, $row){
return $db_result->data_seek($row);
}
/*
HTML DISPLAY FUNCTIONS
*/
// this function allows a quick dump of the data returned in an HTML table
function database_result_dump($dataset){
$dataset->data_seek(0);
print "
<style>
.database_result_dump_heading{font-family: verdana, arial, helvetica; font-size: 8pt; color: black; background-color: cccccc; }
.database_result_dump_data{font-family: verdana, arial, helvetica; font-size: 8pt; color: black; background-color: ffffaa; }
</style>
";
print "<table border=\"1\" cellpadding=\"1\" cellspacing=\"0\">\n";
if ($dataset->num_rows() * $dataset->num_fields()){
print "<tr>\n";
print "<th class=\"database_result_dump_heading\" colspan=\"" . ($dataset->num_fields() + 1) . "\">database record: " . $dataset->num_rows() . " rows returned</td>\n";
print "</tr>\n";
print "<tr>\n";
print "<td class=\"database_result_dump_heading\"></td>\n";
$columns = array_keys($dataset->fetch_assoc());
foreach ($columns AS $column){
if ($column != "database_result_info") {
print "<td class=\"database_result_dump_heading\">" . $column . "</td>";
}
}
print "</tr>\n";
$dataset->data_seek(0);
for ($row=0; $row<$dataset->num_rows(); $row++){
$this_row_assoc = $dataset->fetch_assoc();
print "<tr>\n";
print "<td class=\"database_result_dump_heading\" align=\"center\">" . $row . "</td>\n";
foreach ($columns AS $column){
if ($column != "database_result_info") {
print "<td class=\"database_result_dump_data\">" . $this_row_assoc[$column] . "</td>\n";
}
}
print "</tr>\n";
}
} else {
print "<tr>\n";
print "<th class=\"database_result_dump_heading\">database result: no data returned.</td>\n";
print "</tr>";
}
print "</table>\n";
return true;
} // end function database_result_dump($result)
/*
CONVIENIENCE FUNCTIONS
*/
// database_result database_quick_query(string, string);
function database_quick_query($datasource, $query){
$dbConnection = new database_connection($datasource);
if ($dbConnection == FALSE){
die ("<b>sql.php</b>: database_quick_query() invalid datasource connection, aborting query.<br />\n");
}
$myDataset = $dbConnection->query_connection($query);
$normalizedData = new database_result($myDataset, $datasource->get_type());
$disconectstatus = $dbConnection->close_connection();
return $normalizedData;
}
// convert the database_result to standard xml syntax
function database_result_xml($db_result, $encoding = "ISO-8859-1"){
$xml_string = "<?xml version=\"1.0\" encoding=\"". $encoding . "\"?>\n";
database_data_seek($db_result,0);
// print "<!DOCTYPE project-listing SYSTEM \"http://freshmeat.net/backend/fm-projects-0.1.dtd\">\n";
$xml_string .= "<dataset cols=\"" . database_num_fields($db_result) . "\" rows=\"" . database_num_rows($db_result) . "\">\n";
while($row = database_fetch_assoc($db_result)){
$xml_string .= " <row>\n";
$cols = array_keys($row);
foreach ($cols as $column){
$xml_string .= " <" . $column . ">" . htmlentities($row[$column]) . "</" . $column . ">\n";
}
$xml_string .= " </row>\n";
}
$xml_string .= "</dataset>\n";
return $xml_string;
}
} // end functions code lock
?>
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