Fatal error: Uncaught Error: Call to undefined function add_action() in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/code-snippets/php/settings/settings.php:158 Stack trace: #0 {main} thrown in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/code-snippets/php/settings/settings.php on line 158