Вадим Яковлев

echo '#!/bin/bash
if ! -f /home/locfile
touch /home/locfile
for i in {1..100} 
do 
  /bin/php /path/to/index.php > /home/log.txt
done
fi
rm -f /home/locfile' > /home/runner.sh

crontab -u root -e
m h dom mon dow user sh /home/runner.sh

SET NAMES 'utf8';
SET collation_connection = "utf8_unicode_ci";

if($answ[1]=='b' && $answ[2]=='c' || $answ[3]=='a' && $answ[4]=='d' ) $summ+=10;

select comment.id
      ,comment.user
      ,comment.news_id
  from comments as comment order by id desc limit 1
  join comments as new_comments on new_comments.news_id = comment.news_id and  new_comments.id > comment.id