Codeigniter CSRF Valid For Only One Time Ajax Request
Answer : In my opinion you should try to recreate your csrf token each request Try this code example... For the js funcion var csrfName = '<?php echo $this->security->get_csrf_token_name(); ?>', csrfHash = '<?php echo $this->security->get_csrf_hash(); ?>'; ("#avatar").change(function(){ var link = $("#avatar").val(); var dataJson = { [csrfName]: csrfHash, id: "hello", link: link }; $.ajax({ url : "<?php echo base_url('main/test'); ?>", type: 'post', data: dataJson, success : function(data) { csrfName = data.csrfName; csrfHash = data.csrfHash; alert(data.message); } }); }); and for the controller public function test() { $config['upload_path'] = './uploads/'; $config['allowed_types'] = 'gif|jpg|png'; $confi...