I'm not sure why FILTER_SANITIZE_STRING was needed here so to be safe I decided to replace it with a polyfill function. See https://stackoverflow.com/questions/69207368/constant-filter-sanitize-string-is-deprecated [MAILPOET-3890]
I'm not sure why FILTER_SANITIZE_STRING was needed here so to be safe I decided to replace it with a polyfill function. See https://stackoverflow.com/questions/69207368/constant-filter-sanitize-string-is-deprecated [MAILPOET-3890]