<?php declare(ticks = 1); function a() { sleep(10); echo "a finishi\n"; } function b() { echo "Stop\n"; } function c() { usleep(100000); } function sig() { throw new Exception; } try { pcntl_alarm(1); pcntl_signal(SIGALRM, "sig"); a(); pcntl_alarm(0); } catch(Exception $e) { echo "timeout\n"; } b(); a(); b();