$tested_major || ( $major == $tested_major && $minor >= $tested_minor ) ) ) { add_action( 'admin_notices', function () use ( $major, $minor, $tested_major, $tested_minor ) { echo << "A Tiny Post Content Template Interpreter" will not work with PHP version $major.$minor; Please uninstall it or upgrade your PHP version to $tested_major.$tested_minor or later. EOD; } ); return; } register_activation_hook( __FILE__, function( ) { set_transient( 'magic_fields_2_tolkit_activated', 'magic_fields_2_tolkit_activated', 10 ); } ); if ( is_admin( ) && get_transient( 'magic_fields_2_tolkit_activated' ) ) { add_action( 'admin_notices', function( ) { ?>

After installing "A Tiny Post Content Template Interpreter" you should visit its settings page - Settings -> A Tiny Post Content Template Interpreter.