从用户输入中删除滥用数据

// XSS Filtering
$data = array(
             'name'=> '<script>Abuse Data</script>'
        );
$data = $this->security->xss_clean($data); // Clean Data

// Escaping Queries
<?php $username = $this->input->post('username'); $query = 'SELECT * FROM subscribers_tbl WHERE user_name = '. $this->db->escape($email); $this->db->query($query); ?>