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?-àí£o  
1.μúò???ê1ó????ˉàà?3ò3?£
2.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?£
3.??′?êy?óò?′¢′?£?2¢???ü?í??μúò???ê1ó????£
4.μú?t??ê1ó????ˉàà?3ò3?£
5.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?£
6.??′?êy?ù?óò?′¢′?£?2¢???ü?í??μú?t??ê1ó????£   
Dèòaá??aμ?oˉêy:  
fopen()′ò?a???t
filesize()??μ????t′óD?
fseek()ò??ˉ???t????
fgets()μ?μ????t?????ù?úDD?úèY
fputs()??×?′?D′è????t?????ù?ú????
fclose()1?±????t
file_exists()?D?????tê?·?′??ú
exec()?′DDía2?3ìDò  

×??òμ¥μ???êy?÷:  
<html>  
<head>  
<title>·??í??êy?÷ ?-Dí</title>  
</head>  
<body>  
<?php  
/*  
(c)1998 David W. Bettis  
?aà?ê?°?è¨D??¢  
*/  

$counterFile = "counter.txt";  
#?aà?ê??¨ò???êy?÷???t

function displayCounter($counterFile) {  
$fp = fopen($counterFile,"rw");
#′ò?a???t£?ó??áD′·?ê?

$num = fgets($fp,5);
#è?μ?μ±?°êy×?

$num += 1;
#?ó1

print "?úê?μú "."$num"." ???Tá?·Y×ó";  
exec( "rm -rf $counterFile");  
exec( "echo $num > $counterFile");  
#íμàáμ?·?ê???£?2?ê1ó?fputsD′è?  
}  

if (!file_exists($counterFile)) {  
exec( "echo 0 > $counterFile");  
}#è?1???êy?÷???t2?′??ú£?D??¨?ü2¢éè???úèY?a0

displayCounter($counterFile);  

?>  
</body>  
</html>   
PHP??êy?÷±è???òμ¥°?£o  
<?
#°?è¨??óDà2£??a?′?òμ¥  

$fp=fopen("counter.txt","r+");
flock($fp,3);  
#′ò?a??êy?÷???t2¢??×?

$fsize=filesize("count.txt");
$count=fgets($fp,$fsize+1);
$count++;  
#è?μ?êy??2¢?óò?

fseek($fp,0);
fputs($fp,$count);
fclose($fp);
#??D?êy??D′è????t

echo "??ê?μú $count ??·??ê??";
?>  

PHP??êy?÷í?D?°?£o  
??×÷10??í???£???êy×?′?ó?í???×é?eà′£??ò?í2????μá?
?ùéèí????a0.gif ~ 9.gif

<?
....$count?aè?μ?μ?êy?μ
$strcount=strval($count);
$strcount=chop($strcount);
$countlen=$strlen($strcount);
$shtml="";
for ($i=0; $i<$countlen; $i++) {
$shtml.="<img src='";
$shtml.=$strcount[$i];
$shtml.=".gif'>";
}
echo $shtml;
?>  

PHP??êy?÷êy?Y?a°?£o  
ê1ó?SQL??êy?÷£??è?¨o?±í
CREATE TABLE counter
(
counter int not null,
id ?????int not null
)
INSERT INTO counter(counter,id) VALUE(0,1)

<?
$conn=mysql_connect(..., ..., ...);
#MySQLêy?Y?aá??ó

$sql="select * from counter";
$result=mysql_query($sql,$conn);
$objresult=mysql_fetch_object($result);
$count=$objresult->counter;
$count++;  

$sql="update counter set counter=".$count."where id=1";
mysql_query($sql,$conn);
mysql_close($conn);


echo "??ê?μú$count??·??í";
?> 
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