PHP based on codeigniter implementation of image upload, clipping function, _php tutorial

PHP based on codeigniter implementation of image upload, clipping function,

This example for everyone to share the CodeIgniter picture upload, cut, controller class, for your reference, the specific content as follows

<?phpdefined (' BasePath ') or exit (' No Direct script access allowed '); class Index extends My_controller {function __cons    Truct () {parent::__construct ();  $this->load->helper (Array (' form ', ' url '));  }/** * Home */Public Function index () {$this->load->view (' Upload_form ', Array (' ERROR ' = ') ');    } public Function Do_upload () {$config [' upload_path '] = './data/uploads/';    $config [' allowed_types '] = ' gif|jpg|png ';    $config [' max_size '] = 100;    $config [' max_width '] = 1024;    $config [' max_height '] = 768;    $this->load->library (' upload ', $config); if (! $this->upload->do_upload (' UserFile ')) {$error = array (' error ' = = $this->upload->display_err      ORS ());    $this->load->view (' Upload_form ', $error);            } else {$data = array (' upload_data ' = = $this->upload->data ());         $this->load->library (' image_lib '); List ($width, $height) = getimagesize ($data [' Upload_data '[' Full_path ']);   $config [' image_library '] = ' gd2 ';   $config [' source_image '] = $data [' upload_data '] [' full_path '];   $config [' maintain_ratio '] = TRUE;   if ($width >= $height) {$config [' master_dim '] = ' height ';   }else{$config [' master_dim '] = ' width ';   } $config [' width '] = 180;   $config [' height '] = 180;   $this->image_lib->initialize ($config);    $this->image_lib->resize ();   $config [' maintain_ratio '] = FALSE;   if ($width >= $height) {$config [' x_axis '] = Floor (($width * 180/$height-180)/2);   }else{$config [' y_axis '] = Floor (($height * 180/$width-180)/2);   } $this->image_lib->initialize ($config);         $this->image_lib->crop ();    $this->load->view (' upload_success ', $data); }  }}

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