09c03-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 14 行

<?php
// Output a 'waiting message'
echo 'Please wait while this task completes';

// Now while waiting for a certain task to complete, keep outputting .'s
while (true) {
	// Echo an extra dot, and flush the buffers to ensure it gets displayed.
	echo ' .';
	flush();
	
	// Now sleep for 1 second and check again:
	sleep(1);	
}
?>