__( 'Whitespace only', 'w3-total-cache' ), 'SIMPLE_OPTIMIZATIONS' => __( 'Simple optimizations', 'w3-total-cache' ), 'ADVANCED_OPTIMIZATIONS' => __( 'Advanced optimizations', 'w3-total-cache' ), ); $c = $this->_config; $compilation_level = $c->get_string( 'minify.ccjs.options.compilation_level' ); ?>