//3. maximum image height, 4. upload dir $image->setImage('input_field_name'); //name of your input image field name if (!$image->checkSize()) { //check image size $errors[] = "File size is Big"; } if (!$image->checkHeight()) { //check image height $errors[] = "File height is Big"; } if (!$image->checkWidth()) { //check image width $errors[] = "File width is Big"; } if (!$image->checkExt()) { //check image extension $errors[] = "File ext is not supported"; } if (!isset($errors)) { $image->setImageName($userid); //set image name $image->deleteExisting(); $image->upload(); echo "<h2>Avatar Changed Successfully</h2>"; } else { echo "<h2>You must correct the errors to proceed</h2><br>"; print_r($errors); } } ?>