{"id":3966,"date":"2019-03-28T17:51:52","date_gmt":"2019-03-28T12:21:52","guid":{"rendered":"https:\/\/blog.pheonixsolutions.com\/?p=3966"},"modified":"2019-04-04T09:33:56","modified_gmt":"2019-04-04T04:03:56","slug":"validation-form-in-codeigniter-using-session-library","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/validation-form-in-codeigniter-using-session-library\/","title":{"rendered":"VALIDATION FORM IN CODEIGNITER USING SESSION LIBRARY"},"content":{"rendered":"\n

VALIDATION FORM IN CODEIGNITER USING SESSION LIBRARY<\/strong><\/p>\n\n\n\n

Date :28\/03\/2019<\/strong><\/p>\n\n\n\n

Introduction:<\/strong><\/p>\n\n\n\n

The following tutorial implementing form validation using session library in codeigniter.<\/p>\n\n\n\n

First of all, we should create database and table. we can create database client and we can create table form .<\/p>\n\n\n\n

To implement the form validation we need to create four steps.<\/p>\n\n\n\n

step1:<\/strong> <\/p>\n\n\n\n

We have to create the form in view and this is considered as our default form. <\/p>\n\n\n\n

In this form we are entering the data.Those data validated to the following steps.
<\/p>\n\n\n\n

we can save it as myform.php(application\/view\/myform.php).<\/strong><\/p>\n\n\n\n

<html>\n   <head>\n      <title>My Form<\/title>\n   <\/head>\n   <body>\n      <!-- <form action = \"\"> -->\n      <?php echo form_open('Form\/index1'); ?>  \n      <h5>firstname<\/h5>\n      <input type = \"text\" name = \"firstname\" value=\"\">\n      <h5>gender<\/h5>\n      <input type = \"text\" name = \"gender\" value=\"\">  \n      <h5>hobbies<\/h5>\n      <input type = \"text\" name = \"hobbies\" value=\"\">\n      <h5>district<\/h5>\n      <input type = \"text\" name = \"district\" value=\"\">\n      <h5>discription<\/h5>\n      <input type = \"text\" name = \"discription\"  value=\"\">        \n      
<\/div>\n      <?php\n         echo form_close();\n         ?>  \n   <\/body>\n<\/html>\n\n<\/pre>\n\n\n\n
The above code Create the simple form.<\/p>\n\n\n\n
step2:<\/strong> <\/p>\n\n\n\n
     Then we create the controller page and check the validation in that    page.<\/p>\n\n\n\n
     Above data validated in this controller part. we can save it as Form.php(application\/controller\/Form.php).<\/strong><\/p>\n\n\n\n
<?php\n   class Form extends CI_Controller { \n   \n      public function index() { \n         \n         #Used to load the form library\n         $this->load->helper(array('form', 'url'));\n   \n         #Used to load the session library\n         $this->load->library(\"session\");\n   \n         #Used to load the view library\n         $this->load->view('myform');\n         \n      }\n   public function index1()\n   {\n      \n      $this->load->library(\"session\");\n   \n      #used to load the form validation library\n      #the form validation library used to load the set_rules functions\n      $this->load->library('form_validation');\n   \n      \n      #the following functions check wheather entered details are write or wrong\n      $this->form_validation->set_rules('firstname', 'firstname', 'required');\n      $this->form_validation->set_rules('gender', 'gender', 'required');\n      $this->form_validation->set_rules('hobbies', 'hobbies', 'required');\n      $this->form_validation->set_rules('district', 'district', 'required');\n      $this->form_validation->set_rules('discription', 'discription', 'required');\n   \n   #the above validation is fail it enter into the following if condition\n   if ($this->form_validation->run() == FALSE) \n   {    \n        $postData = array(\n                'firstname' => $this->input->post('firstname'),\n                'gender' => $this->input->post('gender'),\n                  'hobbies' => $this->input->post('hobbies'),\n                    'district' => $this->input->post('district'),\n                      'discription' => $this->input->post('discription')\n                 );   \n      \n       echo json_encode($this->form_validation->error_array());  \n      $this->session->set_userdata($postData);\n      $this->load->view('myform1');\n       \n   } \n   \n   #the validation part is pass the else part is executed\n   else \n   {\n   \n   $this->load->model('Insert_model');\n          $postData = array(\n                'firstname' => $this->input->post('firstname'),\n                'gender' => $this->input->post('gender'),\n                  'hobbies' => $this->input->post('hobbies'),\n                    'district' => $this->input->post('district'),\n                      'discription' => $this->input->post('discription')\n                 );  \n         print_r($insert = $this->Insert_model->insert($postData)); \n          echo \"Data inserted successfully\";\n       }\n         }\n   \n   \n       \n   }\n   ?> <\/pre>\n\n\n\n
The above code is validate our data.<\/p>\n\n\n\n
     * $this->load->helper(array('form', 'url')); = Used to load the form library.\n\n     * $this->load->library(\"session\"); = Used to load the session library.\n\n     * $this->load->library('form_validation'); = Used to load the form validation library. <\/pre>\n\n\n\n
step3:<\/strong><\/p>\n\n\n\n
<\/p>\n\n\n\n
 Again we create a another view page for reload the form.<\/p>\n\n\n\n
 This form loaded when the given details is wrong and it shows error message we can save it as myform1.php(application\/view\/myform1.php).<\/strong><\/p>\n\n\n\n
<html>\n   <head>\n      <title>My Form<\/title>\n   <\/head>\n   <body>\n      <!-- <form action = \"\"> -->\n      <?php echo form_open('Form\/index1'); ?>  \n      <h5>firstname<\/h5>\n      <input type = \"text\" name = \"firstname\" value=\"<?php echo $this->session->userdata('firstname'); ?>\">\n      <h5>gender<\/h5>\n      <input type = \"text\" name = \"gender\" value=\"<?php echo $this->session->userdata('gender'); ?>\">  \n      <h5>hobbies<\/h5>\n      <input type = \"text\" name = \"hobbies\" value=\"<?php echo $this->session->userdata('hobbies'); ?>\">\n      <h5>district<\/h5>\n      <input type = \"text\" name = \"district\" value=\"<?php echo $this->session->userdata('district'); ?>\">\n      <h5>discription<\/h5>\n      <input type = \"text\" name = \"discription\"  value=\"<?php echo $this->session->userdata('discription'); ?>\">        \n      
<\/div>\n      <?php\n         echo form_close();\n         ?>  \n   <\/body>\n<\/html>\n<\/pre>\n\n\n\n
The above code create the another form.It contain our data.<\/p>\n\n\n\n
Step4:<\/strong><\/p>\n\n\n\n
Here we have to create the mode form our database.<\/p>\n\n\n\n
We can save it as a Insertmodel.php (application\/model\/Insert_model.php).<\/strong> <\/p>\n\n\n\n
class Insert_model extends CI_Model \n{\n\tpublic function insert($data = array()) \n\t{\n        #here form is our table name\n        $insert = $this->db->insert('form', $data);\n    }\n}<\/pre>\n\n\n\n
The above code connect our form with database.<\/p>\n\n\n\n