public static function query()
{
//Initializes debug
if (DEBUG) {
$log = new Log("SQL::query");
$log->setParameters("table_info");
}
//Ensures at least SQL statement
$func_arg_count = func_num_args();
if ($func_arg_count < 1) {
if (DEBUG) {
$log->add("No arguments provided");
$log->display();
$log = null;
}
return 0;
}
//Prep sql statement
$sql = func_get_arg(0);
if (!is_string($sql)) {
if (DEBUG) {
$log->add("Invalid sql statement provided");
$log->display();
$log = null;
}
return 0;
}
$result = 0;
//Checks for valid input
if ($func_arg_count > 1) {
//Input is expected
//Secondary initialization of debug
if (DEBUG) {
$log->setArguments(func_get_arg(0));
for ($i = 1; $i < func_num_args(); $i++) {
$log->setParameters("argument-" . $i);
$log->setArguments(func_get_arg($i));
}
}
//Check if input is not in a proper array
$arg = func_get_arg(1);
if (!is_array($arg)) {
$arg = array();
for ($i = 1; $i < $func_arg_count; $i++) {
$arg_elem = func_get_arg($i);
//Check if input element is array
if (is_array($arg_elem)) {
if (DEBUG) {
$log->add("Invalid input type: array");
$log->display();
$log = null;
}
return 0;
}
$arg[] = $arg_elem;
}
if (DEBUG) {
$log->add("New array: array( " . implode(", ", $arg) . " )");
}
} else {
for ($i = 0; $i < count($arg); $i++) {
//Check if input element is array
if (is_array($arg[$i])) {
if (DEBUG) {
$log->add("Invalid input type: array");
$log->display();
$log = null;
}
return 0;
}
}
}
//Runs query
$connection = new PDOConnection(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_NAME);
$result = $connection->query($sql, $arg);
$connection->close();
} else {
//No input expected
//Initialize debug
if (DEBUG) {
for ($i = 0; $i < func_num_args(); $i++) {
$log->setArguments(func_get_arg($i));
}
}
//Runs query
$connection = new PDOConnection(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_NAME);
$result = $connection->query($sql);
$connection->close();
}
//Displays debug message
if (DEBUG) {
$log->display();
$log = null;
}
return $result;
}
