请问pbootcms网页增加“您是到访的第？位客户”

<? @session_start(); $counter = intval(file_get_contents("counter.dat")); if(!$_SESSION['jingyun']) {  $_SESSION['jingyun'] = true;  $counter++;  $fp = fopen("counter.dat","w");  fwrite($fp, $counter);  fclose($fp); } ?>   您是到访的第 <span style="font-size:14px; color:#FF6600" mce_style="font-size:14px; color:#FF6600"><?php echo "$counter";?></span> 位客户

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