$list = [ 'step1.php', 'step2.php', 'step3.php', 'step_exclude.php', 'cron_customers.php', ]; foreach ($list as $key => $value) { echo "* * * * * /usr/bin/php /usr/share/nginx/html/face/cronjob/".$value." > /dev/null 2>&1 & \n"; for($i = 1;$i<=60 ;$i++){ echo "* * * * * sleep $i; /usr/bin/php /usr/share/nginx/html/face/cronjob/".$value." > /dev/null 2>&1 & \n"; } }