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)
