public function sanitize_urls_settings($new)
{
$old = parent::get_urls();
if (is_array($new)) {
$new = array_shift(array_filter($new));
}
$input_arr = explode("\n", trim(strip_tags($new)));
$sanitized = array();
$callback = create_function('$a', 'return filter_var($a,FILTER_VALIDATE_URL) || is_numeric($a);');
foreach ($input_arr as $line) {
if (empty($line)) {
continue;
}
$arr = array_values(array_filter(explode(" ", trim($line)), $callback));
if (isset($arr[0])) {
if (isset($arr[1])) {
$arr[1] = $this->sanitize_priority($arr[1]);
} else {
$arr[1] = '0.5';
}
$sanitized[] = array(esc_url($arr[0]), $arr[1]);
}
}
if (empty($old)) {
if (!empty($sanitized)) {
set_transient('xmlsf_flush_rewrite_rules', '');
}
} else {
if (empty($sanitized)) {
set_transient('xmlsf_flush_rewrite_rules', '');
}
}
return !empty($sanitized) ? $sanitized : '';
}
