php - Image resize not working in CodeIgniter 3 -

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i developing web application. in application, uploading image server , resize it. uploaded server successfully. when resize image, not resizing image. not throwing error well.

this image file upload model

class file_helper extends ci_model{      function __construct()     {         parent::__construct();         $this->load->library('image_lib');        }      function generaterandomfilename()     {         $rand = rand(10000,99999);         $file_name = time().$rand;         return time().$rand;     }      function uploadimage()     {         $name = $this->generaterandomfilename();         $config['upload_path']          = './'.upload_folder.'/';         $config['allowed_types']        = 'gif|jpg|png|jpeg';         $config['file_name'] = $name;          $this->load->library('upload', $config);          if ( !$this->upload->do_upload('userfile'))         {             return false;         }         else         {             $data = $this->upload->data();             $data['virtual_path'] = upload_folder."/".$name.".".$data['file_ext'];             return $data;         }     }       function resizeimage($path)     {         $config['image_library'] = 'gd2';         $config['source_image'] = '/'.$path;         $config['create_thumb'] = true;         $config['maintain_ratio'] = true;         $config['width']         = 300;         $config['height']       = 50;          $this->load->library('image_lib', $config);          if ( ! $this->image_lib->resize())         {             print_r($this->image_lib->display_errors());         }         else{             echo "ok";         }     }  }

as can see in model print out "ok" on success , print_r error in failure. path passed "uploads/23344545.png". resize function print out "ok", image not resized. wrong code?

you need resize image while uploading

function uploadimage() {     $name = $this->generaterandomfilename();     $config['upload_path'] = './'.upload_folder.'/';     $config['allowed_types'] = 'gif|jpg|png|jpeg';     $config['file_name'] = $name;     $config['width'] = 300;     $config['height'] = 50;      $this->load->library('upload', $config);      if ( !$this->upload->do_upload('userfile'))     {         return false;     }     else     {         $data = $this->upload->data();         $data['virtual_path'] = upload_folder."/".$name.".".$data['file_ext'];         return $data;     } }

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