private static function set_class_paramters() { self::$separator = apply_filters('frm_csv_sep', self::$separator); self::$line_break = apply_filters('frm_csv_line_break', self::$line_break); self::$wp_date_format = apply_filters('frm_csv_date_format', self::$wp_date_format); self::get_csv_format(); self::$charset = get_option('blog_charset'); $col_sep = isset($_POST['csv_col_sep']) && !empty($_POST['csv_col_sep']) ? sanitize_text_field($_POST['csv_col_sep']) : self::$column_separator; self::$column_separator = apply_filters('frm_csv_column_sep', $col_sep); }