library extends : application/libraries/MY_Form_validation.php, controller: controllers/Military.php and view: views/military/create.php

create.php

<?php $this->load->view('layout/nav');?>
<?php $this->load->view('layout/left-sidebar');?>
<div class="be-content">
	<div class="page-head">
    <h2 class="page-head-title">{view_title}</h2>
    <nav aria-label="breadcrumb" role="navigation">
      <ol class="breadcrumb page-head-nav">
		    <li class="breadcrumb-item"><a href="#">Home</a></li>
		    <li class="breadcrumb-item"><a href="#">Militar</a></li>
		    <li class="breadcrumb-item active">Alta</li>
      </ol>
    </nav>
  </div>
  <div class="main-content container-fluid">
    <div class="row">
      <div class="col-md-12">
        <div class="card card-border-color card-border-color-primary">
          <div class="card-header card-header-divider"><span class="card-subtitle">Llena los campos que se solicitan, recuerda los campos marcados con <span class="text-danger">*</span> son obligatorios.</span>
          </div>
          <div id="create-militar-container" class="card-body">
            <?php echo form_open_multipart(base_url('panel/asociados/militar/alta'), array("class" => "form-horizontal group-border-dashed","id" => "create-militar-form"));?>
              <!-- -->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Grado Completo <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-sm-6 form-group">
                    <select class="select2" name="rank" >
                      <option selected="" disabled="" value="">Grado</option>
                      {ranks}
                        <option value="{id}">{value}</option>
                      {/ranks}
                    </select>
                    <div class="msg" id="rank"></div>
                  </div>
                  <div class="col-sm-6 form-group">
                    <select class="select2" name="service">
                      <option selected="" value="">Cuerpo y Servicios</option>
                      {services}
                        <option value="{id}">{value}</option>
                      {/services}
                    </select>
                    <div class="msg" id="service"></div>
                  </div>
                  <div class="col-sm-6 form-group">
                    <select class="select2" name="speciality">
                      <option selected="" value="">Especialidad</option>
                      {specialities}
                        <option value="{id}">{value}</option>
                      {/specialities}
                    </select>
                    <div class="msg" id="speciality"></div>
                  </div>
                  <div class="col-sm-6 form-group">
                    <select class="select2" name="subspeciality">
                      <option selected="" value="">Sub Especialidad</option>
                      {subspecialities}
                        <option value="{id}">{value}</option>
                      {/subspecialities}
                    </select>
                    <div class="msg" id="subspeciality"></div>
                  </div>
                  <div class="col-sm-12 form-group">
                    <select class="select2" name="course">
                      <option selected="" value="">Cursos</option>
                      {courses}
                        <option value="{id}">{value}</option>
                      {/courses}
                    </select>
                    <div class="msg" id="course"></div>
                  </div>          
                </div>
              </div>
              <!--name-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Nombre / Apellidos <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-sm-4 form-group">
                    <input type="text" name="name" parsley-trigger="change" autocomplete="off" placeholder="Juan" class="form-control">
                    <div class="msg" id="name"></div>
                  </div>
                  <div class="col-sm-4 form-group">
                    <input type="text" name="first_lastname" autocomplete="off" placeholder="Pérez" class="form-control">
                    <div class="msg" id="first_lastname"></div>
                  </div>
                  <div class="col-sm-4 form-group">
                    <input type="text" name="second_lastname" autocomplete="off" placeholder="Blanco" class="form-control">
                    <div class="msg" id="second_lastname"></div>
                  </div>
                </div>
              </div>
              <!--birthdate-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Fecha de nacimiento <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text" name="month" class="form-control" placeholder="Mes" minlength="2" maxlength="2">
                    <div class="msg" id="month"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text" name="day" class="form-control" placeholder="Día" minlength="2" maxlength="2">
                    <div class="msg" id="day"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text" name="year" class="form-control" placeholder="Año" minlength="4" maxlength="4">
                    <div class="msg" id="year"></div>
                  </div>
                </div>
              </div>
              <!-- Matricula/RFC -->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Matricula / RFC  <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-6 form-group">
                    <input type="text" name="registration_number" autocomplete="off" placeholder="11445587" class="form-control">
                    <div class="msg" id="registration_number"></div>
                  </div>
                  <div class="col-12 col-sm-6 form-group">
                    <input type="text" name="rfc"  autocomplete="off" placeholder="XXXX01000000HVZ111" class="form-control text-uppercase">
                    <div class="msg" id="rfc"></div>
                  </div>
                </div>
              </div>
              <!-- fecha de baja -->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Fecha de baja del SAAM  <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-6 form-group">
                    <div class="input-group date datetimepicker" data-min-view="2" data-date-format="yyyy-mm-dd">
                      <input class="form-control" size="16" name="discharge_date" type="text" value="" readonly="">
                      <div class="input-group-append">
                        <button class="btn btn-primary"><i class="icon-th mdi mdi-calendar"></i></button>
                      </div>
                    </div>
                    <div class="msg" id="discharge_date"></div>
                  </div>
                </div>
              </div>
              <!-- lugar de baja-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Lugar donde causo baja <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-6 form-group">
                    <input type="text" autocomplete="off" placeholder="" name="discharge_place" class="form-control">
                    <div class="msg" id="discharge_place"></div>
                  </div>
                </div>
              </div>
              <!-- domicilio-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Domicilio donde reside <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-6 form-group">
                    <input type="text"  autocomplete="off" placeholder="Calle" name="street" class="form-control">
                    <div class="msg" id="street"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Número" name="number" class="form-control">
                    <div class="msg" id="number"></div>
                  </div>
                  <div class="col-12 col-sm-6 form-group">
                    <input type="text"  autocomplete="off" placeholder="Entre calles" name="between_streets" class="form-control">
                    <div class="msg" id="between_streets"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Colonia" name="suburb" class="form-control">
                    <div class="msg" id="suburb"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Ciudad" name="city" class="form-control">
                    <div class="msg" id="city"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Codigo postal" name="zipcode" class="form-control">
                    <div class="msg" id="zipcode"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Municipio" name="municipality" class="form-control">
                    <div class="msg" id="municipality"></div>
                  </div>
                </div>
              </div>
              <!--teléfonos-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Teléfonos <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Casa: 9856699" name="phone" class="form-control">
                    <div class="msg" id="phone"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Celular: 2291854798" name="mobile" class="form-control">
                    <div class="msg" id="mobile"></div>
                  </div>
                  <div class="col-12 col-sm-4 form-group">
                    <input type="text"  autocomplete="off" placeholder="Adicional: 2854798" name="additional_phone" class="form-control">
                    <div class="msg" id="additional_phone"></div>
                  </div>
                </div>
              </div>
              <!--fotografía y curp-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Fotografía <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-3 form-group">
                  <input type="file" name="picture" id="file-1" data-caption="{count} files selected" class="inputfile">
                  <label for="file-1" class="btn-primary mb-0"> <i class="mdi mdi-upload"></i><span>Buscar archivos...</span></label>
                  <div class="msg" id="picture"></div>
                </div>
                <label class="col-12 col-sm-2 col-form-label">CURP <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-3 form-group">
                  <input type="file" name="curp" id="file-2" data-caption="{count} files selected" class="inputfile">
                  <label for="file-2" class="btn-primary mb-0"> <i class="mdi mdi-upload"></i><span>Buscar archivos...</span></label>
                  <div class="msg" id="curp"></div>
                </div>
              </div>
              <!--ife y oficio de baja-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">IFE <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-3 form-group">
                  <input type="file" name="ife" id="file-3" data-caption="{count} files selected" class="inputfile">
                  <label for="file-3" class="btn-primary mb-0"> <i class="mdi mdi-upload"></i><span>Buscar archivos...</span></label>
                  <div class="msg" id="ife"></div>
                </div>
                <label class="col-12 col-sm-2 col-form-label">Baja de Oficio <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-3 form-group">
                  <input type="file" name="bajaOficio" id="file-4" data-caption="{count} files selected" class="inputfile">
                  <label for="file-4" class="btn-primary mb-0"> <i class="mdi mdi-upload"></i><span>Buscar archivos...</span></label>
                  <div class="msg" id="bajaOficio"></div>
                </div>
              </div>
              <!--issfam-->
              <div class="row">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Copia ISSFAM <span class="text-danger">*</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-4 form-group">
                    <input type="file" name="issfam" id="file-5" data-caption="{count} files selected" class="inputfile">
                    <label for="file-5" class="btn-primary"> <i class="mdi mdi-upload"></i><span>Buscar archivos...</span></label>
                    <div class="msg" id="issfam"></div>
                  </div>
                </div>
              </div>
              <!-- fecha opcional -->
              <div class="row ">
                <label class="col-12 col-sm-3 col-form-label text-sm-right">Fecha de ingreso <span class="text-danger">opcional</span></label>
                <div class="col-12 col-sm-9 row">
                  <div class="col-12 col-sm-6 form-group">
                    <div class="input-group date datetimepicker" data-min-view="2" data-date-format="yyyy-mm-dd">
                      <input class="form-control" size="16" name="admission_date" type="text" value="" readonly="">
                      <div class="input-group-append">
                        <button class="btn btn-primary"><i class="icon-th mdi mdi-calendar"></i></button>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
              <div class="form-group">
                <div class="col-sm-offset-2 col-sm-10">
                  <button type="submit" name="cancel" value="cancel" class="btn btn-secondary btn-space btn-lg">Cancelar</button>
                  <button type="submit" class="btn btn-success btn-space btn-lg" id="submit-create-military" name="submit" value="submit">Registrar</button>
                </div>
              </div>
            <?php echo form_close();?>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

Military.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Military extends MY_Controller {

	public function __construct(){
        parent::__construct();
        $this->load->model("Military_model", "military_model");
        $this->load->library('upload');
    }

    public function index(){
        $data = array(
        	'class' => '',
        	'view_title' => 'Lista de Asociados',
        	'page_title' => 'Lista de Asociados | Asociación de Retirados del Servicio de la Armada de México, en Veracruz AC.',
        	'vendors' => array('dataTables' => true,"select2" => false)
		);
        $this->loadTemplate('military/index',$data);
    }

    public function create(){
    	$data = array(
        	'class' => '',
        	'view_title' => 'Alta de Militar Retirado',
        	'page_title' => 'Lista de Asociados | Asociación de Retirados del Servicio de la Armada de México, en Veracruz AC.',
        	'vendors' => array('dataTables' => false, 'select2' => true),
        	'ranks' => $this->military_model->getRanks(),
            'services' => $this->military_model->getServices(),
            'specialities' => $this->military_model->getSpecialities(),
            'subspecialities' => $this->military_model->getSubspecialities(),
            'courses' => $this->military_model->getCourses()
		);
        $this->loadTemplate('military/create',$data);
    }

    public function createPost(){
        $submit = $this->input->post('submit',TRUE);           
        $input_date = $this->input->post('admission_date');
        $date = (empty($this->input->post('admission_date')) ? date('Y-m-d H:i:s') : $this->input->post('admission_date'));
        $createM = array(
            array(
                'field' => 'rank',
                'label' => 'Grado',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.'
                )
            ),
            array(
                'field' => 'name',
                'label' => 'Nombre',
                'rules' => 'required|trim|xss_clean|min_length[3]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 3 carácteres.'
                )
            ),
            array(
                'field' => 'first_lastname',
                'label' => 'Apellido Paterno',
                'rules' => 'required|trim|xss_clean|min_length[3]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 3 carácteres.'
                )
            ),
            array(
                'field' => 'second_lastname',
                'label' => 'Apellido Materno',
                'rules' => 'required|trim|xss_clean|min_length[3]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 3 carácteres.'
                )
            ),
            array(
                'field' => 'birthday_day',
                'label' => 'Día de fecha de nacimiento',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                )
            ),
            array(
                'field' => 'birthday_month',
                'label' => 'Mes de fecha de nacimiento',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                )
            ),
            array(
                'field' => 'birthday_year',
                'label' => 'Año de fecha de nacimiento',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                )
            ),
            array(
                'field' => 'registration_number',
                'label' => 'Matricula',
                'rules' => 'required|trim|xss_clean|min_length[6]|is_unique[members.registration_number]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 6 carácteres.',
                        'is_unique' => 'Ya existe un registro con este dato.'
                )
            ),
            array(
                'field' => 'rfc',
                'label' => 'RFC',
                'rules' => 'required|trim|xss_clean|min_length[10]|max_length[13]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 10 carácteres.',
                        'max_length' => 'Máximo de 13 carácteres.'
                )
            ),
            array(
                'field' => 'discharge_date',
                'label' => 'Día de fecha de baja',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                )
            ),
            array(
                'field' => 'discharge_place',
                'label' => 'Lugar donde causo baja',
                'rules' => 'required|trim|xss_clean|min_length[3]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 3 carácteres.'
                )
            ),
            array(
                'field' => 'street',
                'label' => 'Calle',
                'rules' => 'required|trim|xss_clean|min_length[5]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 5 carácteres.'
                )
            ),
            array(
                'field' => 'number',
                'label' => 'Número',
                'rules' => 'required|trim|xss_clean|min_length[2]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 2 carácteres.'
                )
            ),
            array(
                'field' => 'between_streets',
                'label' => 'Entre calles',
                'rules' => 'required|trim|xss_clean',
                'errors' => array(
                        'required' => 'Campo obligatorio.'
                )
            ),
            array(
                'field' => 'suburb',
                'label' => 'Colonia',
                'rules' => 'required|trim|xss_clean|min_length[4]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 4 carácteres.'
                )
            ),
            array(
                'field' => 'city',
                'label' => 'Ciudad',
                'rules' => 'required|trim|xss_clean|min_length[4]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 4 carácteres.'
                )
            ),
            array(
                'field' => 'zipcode',
                'label' => 'Código Postal',
                'rules' => 'required|trim|xss_clean|min_length[5]|max_length[5]|integer',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 5 carácteres.',
                        'max_length' => 'Máximo de 5 carácteres.',
                        'integer' => 'Solo se aceptan números.'
                )
            ),
            array(
                'field' => 'municipality',
                'label' => 'Municipio',
                'rules' => 'required|trim|xss_clean|min_length[6]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 6 carácteres.'
                )
            ),
            array(
                'field' => 'phone',
                'label' => 'Teléfono de Casa',
                'rules' => 'required|trim|xss_clean|min_length[6]|max_length[13]',
                'errors' => array(
                        'required' => 'Campo obligatorio.',
                        'min_length' => 'Minimo de 6 carácteres.',
                        'max_length' => 'Máximo de 13 carácteres.'
                )
            ),
            array(
                'field' => 'mobile',
                'label' => 'Celular',
                'rules' => 'trim|xss_clean|min_length[10]|max_length[13]',
                'errors' => array(
                        'min_length' => 'Minimo de 10 carácteres.',
                        'max_length' => 'Máximo de 13 carácteres.'
                )
            ),
            array(
                'field' => 'additional_phone',
                'label' => 'Número adicional',
                'rules' => 'trim|xss_clean|min_length[6]|max_length[13]',
                'errors' => array(
                        'min_length' => 'Minimo de 6 carácteres.',
                        'max_length' => 'Máximo de 13 carácteres.'
                )
            ),
            array(
                'field' => 'picture',
                'label' => 'Fotografía',
                'rules' => 'file_check'
            )
        );

        if($this->input->is_ajax_request()){
            $this->form_validation->set_rules($createM);
            if($this->form_validation->run()  === FALSE){
                $data = array(
                    "response" => $this->form_validation->error_array(),
                    "res" => "error"
                );
            }else{
                 $data = array(
                    "response"=>"all good",
                    "res"=>"ok"
                );
            }
            echo json_encode($data, JSON_NUMERIC_CHECK);
        }elseif ( $this->input->post('cancel') === "cancel" ){
            redirect(base_url("panel/principal"),"refresh");
        }else{
            show_404();
        }
    }
}
?>

MY_Form_validation.php

<?php

class MY_Form_validation extends CI_Form_validation {
    public function __construct() {
        parent::__construct();
    }

    public function file_check($str){
        $CI = $get_instance();
        $allowed_mime_type_arr = array('application/pdf','image/gif','image/jpeg','image/pjpeg','image/png','image/x-png');
        $mime = get_mime_by_extension($_FILES['file']['name']);
        if(isset($_FILES['file']['name']) && $_FILES['file']['name']!=""){
            if(in_array($mime, $allowed_mime_type_arr)){
                return true;
            }else{
                $CI->form_validation->set_message('file_check', 'Please select only pdf/gif/jpg/png file.');
                return false;
            }
        }else{
            $CI->form_validation->set_message('file_check', 'Please choose a file to upload.');
            return false;
        }
    }

    function validate_image($str){
        /*$CI =& get_instance();
        $CI->form_validation->set_message('validate_image', 'testing 123...');
        $check = TRUE;
        if ((!isset($_FILES[$field])) || $_FILES[$field]['size'] == 0) {
            $CI->form_validation->set_message('validate_image', 'The {field} field is required');
            $check = FALSE;
        }else if (isset($_FILES[$field]) && $_FILES[$field]['size'] != 0) {
            $allowedExts = array("gif", "jpeg", "jpg", "png", "JPG", "JPEG", "GIF", "PNG");
            $allowedTypes = array(IMAGETYPE_PNG, IMAGETYPE_JPEG, IMAGETYPE_GIF);
            $extension = pathinfo($_FILES[$field]["name"], PATHINFO_EXTENSION);
            $detectedType = exif_imagetype($_FILES[$field]['tmp_name']);
            $type = $_FILES[$field]['type'];
            if (!in_array($detectedType, $allowedTypes)) {
                $CI->form_validation->set_message('validate_image', 'Invalid Image Content!');
                $check = FALSE;
            }
            if(filesize($_FILES[$field]['tmp_name']) > 2000000) {
                $CI->form_validation->set_message('validate_image', 'The Image file size shoud not exceed 20MB!');
                $check = FALSE;
            }
            if(!in_array($extension, $allowedExts)) {
                $CI->form_validation->set_message('validate_image', "Invalid file extension {$extension}");
                $check = FALSE;
            }
        }
        return $check;*/
        return false;
    }

}