public static function find_all_instances_in_category($categoryId, $filename = "data/text.mdb")
{
$in = MMDBParser::open_file();
if ($in === null) {
return null;
}
// start at offset = 8 since that is where the categories start
// find the category
$category = MMDBParser::find_entry($in, $categoryId, 8);
if ($category === null) {
echo "Could not find categoryID: '{$categoryId}'\n";
fclose($in);
return null;
}
// find all instances
$instances = array();
fseek($in, $category['offset']);
do {
$previousInstance = $instance;
$instance = MMDBParser::read_entry($in);
$instances[] = $instance;
} while ($previousInstance == null || $instance['id'] > $previousInstance['id']);
// for each instance found, get the message and add to array (instanceId => message)
$array = array();
foreach ($instances as $instance) {
fseek($in, $instance['offset']);
$message = MMDBParser::read_string($in);
$array[$instance['id']] = $message;
}
return $array;
}
