PHP教程.应用实例3-PHP教程,PHP应用

php计数器

<?php

$counterfile = "balong.txt";//存储数值的文件名几路径

function displaycounter($counterfile) {

$fp = fopen($counterfile,"rw");

$num = fgets($fp,5);

$num += 1;

print "您是第 "."$num"." 个看巴泷计数器的家伙";

exec( "rm -rf $counterfile");

exec( "echo $num > $counterfile");

}

if (!file_exists($counterfile)) {

exec( "echo 0 > $counterfile");

}

displaycounter($counterfile);

?>