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<?php
/*
ExtCalendar v2
Copyright (C) 2003-2004 Mohamed Moujami (Simo)
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
Date Started : 21/08/2002
Date Last Updated : 10/09/2004
Author(s) : Mohamed Moujami (Simo), Kristof De Jaeger
Description : database library
Get the latest version of ExtCalendar at http://extcal.sourceforge.net//
*/
if (!isset($DB_DIE_ON_FAIL)) { $DB_DIE_ON_FAIL = true; }
if (!isset($DB_DEBUG)) { $DB_DEBUG = true; }
function db_connect($dbhost, $dbname, $dbuser, $dbpass) {
/* connect to the database $dbname on $dbhost with the user/password pair
* $dbuser and $dbpass. */
global $DB_DIE_ON_FAIL, $DB_DEBUG, $CONFIG;
if (! $dbh = @mysql_pconnect($dbhost, $dbuser, $dbpass)) {
echo "<h3>Database error encountered</h3>";
if ($DB_DEBUG) {
echo "<li><strong>".ucwords($CONFIG['dbsystem'])." DB Error</strong>: ". mysql_error();
}
if ($DB_DIE_ON_FAIL) {
echo "<p>This script cannot continue until the stated errors are fixed!";
ob_end_flush();
exit;
}
}
if (! @mysql_select_db($dbname)) {
echo "<h3>Database error encountered</h3>";
if ($DB_DEBUG) {
echo "<li><strong>".ucwords($CONFIG['dbsystem'])." DB Error</strong>: ". mysql_error();
}
if ($DB_DIE_ON_FAIL) {
echo "<p>This script cannot continue until the stated errors are fixed!";
ob_end_flush();
exit;
}
}
return $dbh;
}
function db_disconnect() {
/* disconnect from the database, we normally don't have to call this function
* because PHP will handle it */
mysql_close();
}
function db_query($query, $debug=false, $die_on_debug=false, $silent=false) {
/* run the query $query against the current database. if $debug is true, then
* we will just display the query on screen. if $die_on_debug is true, and
* $debug is true, then we will stop the script after printing he debug message,
* otherwise we will run the query. if $silent is true then we will surpress
* all error messages, otherwise we will print out that a database error has
* occurred */
global $DB_DIE_ON_FAIL, $DB_DEBUG, $CONFIG;
if ($debug || $DB_DEBUG) {
//echo "<pre>" . htmlspecialchars($query) . "</pre>";
}
$qid = @mysql_query($query);
if (! $qid && ! $silent) {
echo "<h3>Database error encountered</h3>";
if ($DB_DEBUG) {
echo "<li><strong>".ucwords($CONFIG['dbsystem'])." DB Error</strong>: ". mysql_error();
}
if ($DB_DIE_ON_FAIL) {
echo "<p>This script cannot continue until the stated errors are fixed!";
ob_end_flush();
exit;
}
}
return $qid;
}
function db_fetch_array($qid) {
/* grab the next row from the query result identifier $qid, and return it
* as an associative array. if there are no more results, return FALSE */
return mysql_fetch_array($qid);
}
function db_fetch_row($qid) {
/* grab the next row from the query result identifier $qid, and return it
* as an array. if there are no more results, return FALSE */
return mysql_fetch_row($qid);
}
function db_fetch_object($qid) {
/* grab the next row from the query result identifier $qid, and return it
* as an object. if there are no more results, return FALSE */
return mysql_fetch_object($qid);
}
function db_num_rows($qid) {
/* return the number of records (rows) returned from the SELECT query with
* the query result identifier $qid. */
return mysql_num_rows($qid);
}
function db_affected_rows() {
/* return the number of rows affected by the last INSERT, UPDATE, or DELETE
* query */
return mysql_affected_rows();
}
function db_insert_id() {
/* if you just INSERTed a new row into a table with an autonumber, call this
* function to give you the ID of the new autonumber value */
return mysql_insert_id();
}
function db_free_result($qid) {
/* free up the resources used by the query result identifier $qid */
mysql_free_result($qid);
}
function db_num_fields($qid) {
/* return the number of fields returned from the SELECT query with the
* identifier $qid */
return mysql_num_fields($qid);
}
function db_field_name($qid, $fieldno) {
/* return the name of the field number $fieldno returned from the SELECT query
* with the identifier $qid */
return mysql_field_name($qid, $fieldno);
}
function db_data_seek($qid, $row) {
/* move the database cursor to row $row on the SELECT query with the identifier
* $qid */
if (db_num_rows($qid)) { return mysql_data_seek($qid, $row); }
}
?>
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