14 1 月

03 URL路徑../../ 的後的位置

Powen Ko

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01 String, CH03 檔案

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off 

    <!DOCTYPE html>
<html>
<body>

<?php
$path="../../";
echo $p1=substr_count($path, "../"); 
$r1="//localhost/ETC/system/03_文件管理系統";
if($p1!=null && $p1>0){
 $r2=$r1;
 for($i=0;$i<$p1;$i++){
   $r2=strrpos($r2,"/");
   $r2=substr($r1, 0, $r2);  
   echo $r2."<br>";
 }
 
}else{
   echo $r1;
}
?> 

</body>
</html>