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Insert Answer Texts in Follow-up Questions Placeholders allow you to use participants‘ text inputs elsewhere in the questionnaire. This chapter provides you with a number of examples. Note: If in a follow-up question you only want to display specific scale items or select options dependent on the participant’s response, please refer to Use Selected Items In Another Question. Note: If you haven’t worked with filters and PHP code, please refer to chapters Introduction to PHP and Problem Solution for Filters first. Use Single Answers On page 2 the participant mentioned the name of a TV presenter in a text input field (tagging TX01_01). Answer validation was applied to ensure the participant did enter something. The entered name is now to be included in following question texts or scale items. In the first step, create a placeholder replace() for the name, e. g. %tvpresenter. In order to do so, place the following PHP code on a page of the questionnaire following the text input question (e. g. in the example on page 3 or later):