set_time_limit while thCount exec ps nasimke php wc -l echo thCount if

<?
set_time_limit(0);
while(1){
	$thCount = exec("ps a | nasimke.php | wc -l");
	echo $thCount."\r\n";
	if($thCount < 10) {
		for($i = 0; $i < 20; $i++){
		echo "launch thread\r\n";
		passthru("(php -f nasimke.php & ) >> /dev/null 2>&1");
		//sleep(1);
		}
	} else {
		sleep(5);
	}
}