nextcloud-starter/src/nextcloud/script/cron.sh

#!/bin/bash

run_as() {
    if [ "$(id -u)" = 0 ]; then
        su -p www-data -s /bin/sh -c "$1"
    else
        sh -c "$1"
    fi
}

run_as ' \
    php /var/www/html/cron.php
'

echo $?