This little script is an excellent time saver for adding a new attribute to all of the attribute sets configured in your Magento store.
There are a few attributes to update:
**ATTRIBUTE CODE**
with the code of the attribute you wish to add.**ATTRIBUTE GROUP NAME**
with the group name**SORT ORDER**
with sort order you want it to display, as you’d expect.Upload the script to the Magento root folder and hit with your browser.