Fix non static method calls

wp-bootstrap / wp-bootstrap-navwalker

A custom WordPress nav walker class to fully implement the Twitter Bootstrap 4.0+ navigation style (v3-branch available for Bootstrap 3) in a custom theme using the WordPress built in menu manager.

https://wp-bootstrap.github.io/wp-bootstrap-navwalker/

GNU General Public License v3.0

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Fix non static method calls #529

Closed IanDelMar closed 3 years ago

IanDelMar commented 3 years ago

Non static methods should not be called statically.

Changes proposed in this Pull Request:

Replaces self:: with $this-> when calling a non static method.

Proposed changelog entry for your changes:

Fix non static method calls