Upgrade OpenCart Extensions from 2.1x to 2.3x/3x
Language
- The default language folder is now called
en-gb
instead ofenglish
. Update your scripts to reflect the change - It looks like it is no longer saving language variables in
controller
files. For example, this whole chunk is gone fromadmin/controller/extension/shipping/pickup.php
$data['heading_title'] = $this->language->get('heading_title');
$data['text_edit'] = $this->language->get('text_edit');
$data['text_enabled'] = $this->language->get('text_enabled');
$data['text_disabled'] = $this->language->get('text_disabled');
$data['text_all_zones'] = $this->language->get('text_all_zones');
$data['text_none'] = $this->language->get('text_none');
$data['entry_geo_zone'] = $this->language->get('entry_geo_zone');
$data['entry_status'] = $this->language->get('entry_status');
$data['entry_sort_order'] = $this->language->get('entry_sort_order');
$data['button_save'] = $this->language->get('button_save');
$data['button_cancel'] = $this->language->get('button_cancel');
Folder Structure
- The default folder structure has changed. All the extensions that were previously directly under the
model
andcontroller
etc. are now under anextensions
folder. So,model/extensions/shipping/pickup.php
instead ofmodel/shipping/pickup.php
OCMOD
- OpenCart 3 no longer uses
.ocmod.xml
for modification files. If you try to upload an .ocmod.xml file, you’ll get a Invalid file type! error. - For a OCMOD file to be uploaded the file extension must be
.ocmod.zip
read more
Example file structure for OCMOD compressed files.
- upload
- install.xml
upload
All files under this directory will be uploaded to the to directory of your OpenCart installation.
install.xml
The XML modification file.