今天使用is_dir函数测试输出目录部分,结果出错,具体如下:
0 File folder
false File folder
my_pictures File folder
MVI_3094 mov file
img01 jpeg image
我写了下面的代码来遍历目录,并打印出具体结果:
$handle = opendir("files/");
while(($entry = readdir($handle)) !== false)
{
if($entry == "." || $entry == "..")
{
continue;
}
if(is_dir($entry))
{
echo "Directory:$entry
";
}
}
问题是,第二个if语句不输出任何结果:
echo "Directory:$entry
";
后来经过仔细检查发现是路径的问题。正确代码如下:
$handle = opendir("files/");
while(($entry = readdir($handle)) !== false)
{
if($entry == "." || $entry == "..")
{
continue;
}
elseif(is_dir("files/".$entry))
{
echo "Directory:$entry
";
}
}