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        <h1><small>AbcAeffchen\SepaUtilities\SepaUtilities::</small>checkAndSanitizeInput</h1>
        <h4>This function checks if the index of the inputArray exists and if the input is valid. The function can be called as `checkAndSanitizeInput($fieldName,$_POST,['input',$fieldName],$flags,$options)` and equals `checkAndSanitize($fieldName,$_POST['input'][$fieldName],$flags,$optio