<?php
session_start();
//计数器实例
$counterfile="c:\\counter.txt";
function displaycounter($counterfile)
{
$fp=fopen($counterfile,'r');
$num=fgets($fp,5);
$num=$num+1;
print "你是第".$num."位大侠";
fclose($fp);
$ff=fopen($counterfile,'w+');
fwrite($ff,$num);
fclose($ff);
}
function displays($counterfile)
{
$fp=fopen($counterfile,'r');
$num=fgets($fp,5);
print "<font color=red>你是第".$num."位大侠</font>";
fclose($fp);
}
if (!file_exists($counterfile))
{
$fd=fopen($counterfile,'w+');
fwrite($fd,"0");
fclose($fd);
}
elseif($ald==1)
{displays($counterfile);
}
else
{
displaycounter($counterfile);
session_start();
$ald=1;
session_register($ald);
}
?>
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