fix function filters_delete filters.php

[mckaygerhard]

function filters_delete() fixed

[vascoleonidasleal]

Fix for delete filters

function filters_delete() {
$user = $this->rc->user;

$this->add_texts('localization/');
$this->register_handler('plugin.body', array($this, 'filters_form'));
$this->rc->output->set_pagetitle($this->gettext('filters'));

if (isset($_GET['filterid'])) {  // Use quotes around array keys
    $filter_id = intval($_GET['filterid']);  // Sanitize input
    $arr_prefs = $user->get_prefs();

    // Ensure 'filters' exists and is an array
    if (isset($arr_prefs['filters']) && is_array($arr_prefs['filters'])) {
        // Remove the filter using unset
        if (array_key_exists($filter_id, $arr_prefs['filters'])) {
            unset($arr_prefs['filters'][$filter_id]);

            // Re-index the array to avoid gaps
            $arr_prefs['filters'] = array_values($arr_prefs['filters']);

            // Save the updated preferences
            if ($user->save_prefs($arr_prefs)) {
                $this->rc->output->command('display_message', $this->gettext('successfullydeleted'), 'confirmation');
            } else {
                $this->rc->output->command('display_message', $this->gettext('unsuccessfullydeleted'), 'error');
            }
        } else {
            $this->rc->output->command('display_message', $this->gettext('filternotfound'), 'error');
        }
    }
}

$this->rc->overwrite_action('plugin.filters');
$this->rc->output->send('plugin');

}