.. include:: /Includes.rst.txt .. _columns-input-properties-is-in: ====== is\_in ====== .. confval:: is_in :name: input-is-in :Path: $GLOBALS['TCA'][$table]['columns'][$field]['config'] :type: string :Scope: Display / Proc. If the evaluation type "is\_in" (see :ref:`eval `) is used for evaluation, then the characters in the input string should be found in this string as well. This value is also passed as argument to the evaluation function if a user-defined evaluation function is registered. .. note:: The "is\_in" value is trimmed during processing, leading and trailing whitespaces are removed. If whitespaces should be allowed, it should be in between other characters, example :php:`a b`.