====== dropUpload() ======

''void **dropUpload**(String //variableID//)''

The function ''dropUpload()'' deletes a file from the server that was uploaded by the respondent or otherwise created during the interview.

  * //variableID//\\ The ID of a variable from the question that is responsible for the file upload or file creation.

**Warning:** A file that was deleted by means of ''dropUpload()'' cannot be restored.


==== Usage ====

If a question with the ID "UP01" was used in the questionnaire to upload a file, the uploaded file can be deleted on a later page with the following PHP code.

<code php>
dropUpload('UP01');
</code>