Non-static method should not be called statically in wordpress
Подробные видеоинструкции Wordpress на тему: "Non-static method should not be called statically in wordpress":

Wordpress: PHP Deprecated: Non-static method should not be called statically (2 Solutions!!)

Deprecated Non static method HTML::xyz should not be called statically: (Fixed)

Non-static method ..... should not be called statically - PHP

Solución Deprecated: Non-static method should not be called statically (PHP)
