opendir、readdir和closedir(PHP操作目录和文件)
opendir、readdir和closedir(PHP操作目录和文件)这是一款简单的php目录与文件操作的入门教程,我们主要是讲三个函数opendir、readdir和closedir的使用方法。
opendir、readdir和closedir(php教程操作目录和文件)
这是一款简单的php目录与文件操作的入门教程,我们主要是讲三个函数opendir、readdir和closedir的使用方法。
*/
$dir = "d:www.bkjia.com";
//打开目录$dir,并将目录句柄赋给变量$dh
if($dh = opendir($dir))
{
//通过while循环,使用函数readdir获取文件名
while(($file_name = readdir($dh)) !== false)
{
echo "file name: ".$file_name;
echo "
";
echo "
";
}
//处理完成后,关闭目录句柄$dh
closedir($dh);
}
/*
opendir定义和用法
opendir() 函数打开一个目录句柄,可由 closedir(),readdir() 和 rewinddir() 使用。
若成功,则该函数返回一个目录流,否则返回 false 以及一个 error。可以通过在函数名前加上 "@" 来隐藏 error 的输出。
语法
opendir(path,context)
readdir定义和用法
readdir() 函数返回由 opendir() 打开的目录句柄中的条目。
若成功,则该函数返回一个文件名,否则返回 false。
语法
readdir(dir_stream)
closedir() 函数关闭由 opendir() 函数打开的目录句柄。
语法
closedir(dir_stream)

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