function del_hook($type, $sender)
{
if (is_array($this->hooks[$type])) {
$key = array_Search($this->hooks[$type], $sender);
if ($key !== FALSE) {
unset($this->hooks[$type][$key]);
}
}
}
function __construct($file, $arg = 'R', $must_exists = true)
{
$this->file = $file;
$error = array();
if (!file_exists($file) && $must_exists) {
throw new Exception(sprintf("File (%s) does not exists. [%s:%s]", $file, __FILE__, __LINE__));
}
// $args = strtoarray(strtoupper($arg));
if (strpos(strtoupper($arg), 'R')) {
// check to make sure file is readable
$args[] = 'R';
}
if (strpos(strtoupper($arg), 'W')) {
// check to make sure file is writeable
$args[] = 'W';
}
if (count($error) < 1 && $args) {
// create file if it doesnt exist.
if (array_Search('C', $args)) {
$res = fopen($file, 'w+');
fclose($res);
}
foreach ($args as $k => $v) {
switch ($v) {
case 'R':
if (!is_readable($file) && file_exists($file)) {
// make sure file is readable and exists
$error[] = sprintf("File (%s) is not readable.", $file);
}
break;
case 'W':
// is writable
if (file_exists($file)) {
if (!is_writeable($file)) {
$error[] = sprintf("File (%s) is not writeable.", $file);
}
}
if (!is_writable(dirname($file))) {
$error[] = sprintf("Directory (%s) is not writeable.", dirname($file));
}
break;
default:
}
}
}
if (count($error) > 0) {
$errors = '<br /> ' . join(' <Br />', $error);
throw new Exception($errors);
}
}