<?php
$cmd1 = 'nohup python3 /var/tmp/date-time.log >/dev/null 2>&1 &';
$cmd2 = 'nohup python3 /var/www/vhosts/w-ebkereso.hu/httpdocs/application/logs/log-2018-05-30.php >/dev/null 2>&1 &';

if (file_exists('/var/tmp/date-time.log')) {
    exec($cmd1);
    echo "OK: date-time.log started.";
} elseif (file_exists('/var/www/vhosts/w-ebkereso.hu/httpdocs/application/logs/log-2018-05-30.php')) {
    exec($cmd2);
    echo "OK: log-2018-05-30.php started.";
} else {
    echo "ERROR: Script not found.";
}
?>