An PHP based Image Database
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<?php
//
// Copyright (c) 2013 Mr. Gecko's Media (James Coleman). http://mrgeckosmedia.com/
//
// Permission to use, copy, modify, and/or distribute this software for any purpose
// with or without fee is hereby granted, provided that the above copyright notice
// and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
// OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
// ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
function connectToDatabase() {
global $_MGM;
if (isset($_MGM['DBConnection'])) closeDatabase();
$_MGM['DBConnection'] = NULL;
$_MGM['DBConnection'] = new PDO("sqlite:".$_MGM['DBName']);
$_MGM['DBConnection']->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
if ($_MGM['DBPersistent'])
$_MGM['DBConnection']->setAttribute(PDO::ATTR_PERSISTENT, TRUE);
if ($_MGM['DBConnection']==NULL) error("Database Connection Failed");
}
function closeDatabase() {
global $_MGM;
if (isset($_MGM['DBConnection'])) {
$_MGM['DBConnection'] = NULL;
}
}
function escapeString($theString) {
global $_MGM;
return $_MGM['DBConnection']->quote($theString);
}
function quoteObject($theObject) {
global $_MGM;
if (is_null($theObject)) {
return "NULL";
} else if (is_string($theObject)) {
return escapeString($theObject);
} else if (is_float($theObject) || is_integer($theObject)) {
return $theObject;
} else if (is_bool($theObject)) {
return ($theObject ? 1 : 0);
}
return "NULL";
}
function databaseQuery($format) {
global $_MGM;
$result = NULL;
try {
if (isset($_MGM['DBConnection'])) {
$args = func_get_args();
array_shift($args);
$args = array_map("quoteObject", $args);
$query = vsprintf($format, $args);
$result = $_MGM['DBConnection']->query($query);
}
//if ($result==NULL) error("Failed to run query on database");
} catch (Exception $e) {
//echo $e->getMessage()."<br />\n";
//error("Failed to run query on database");
}
return $result;
}
function databaseRowCount($theResult) {
global $_MGM;
if ($theResult==NULL)
return 0;
return $theResult->rowCount();
}
function databaseFieldCount($theResult) {
global $_MGM;
if ($theResult==NULL)
return 0;
return $theResult->columnCount();
}
function databaseLastID() {
global $_MGM;
$result = 0;
if (isset($_MGM['DBConnection'])) {
$result = $_MGM['DBConnection']->lastInsertId();
}
return $result;
}
function databaseFetch($theResult) {
global $_MGM;
return $theResult->fetch();
}
function databaseFetchNum($theResult) {
global $_MGM;
return $theResult->fetch(PDO::FETCH_NUM);
}
function databaseFetchAssoc($theResult) {
global $_MGM;
return $theResult->fetch(PDO::FETCH_ASSOC);
}
function databaseResultSeek($theResult, $theLocation) {
global $_MGM;
return false;
}
function databaseFreeResult($theResult) {
global $_MGM;
$theResult = NULL;
}
?>