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Detailed introduction to PHP file operations (2)

黄舟
Release: 2023-03-06 19:14:02
Original
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Detailed introduction to PHP file operations (2)

//创建目录  mkdir("./aa");
//删除目录 目录必须为空才可以删除  rmdir("./img");
//移动目录文件  rename("./img","./ajax/img");
//创建文件  touch("./11.txt");
//复制文件  copy("./11.txt","./ajax/11.txt");
//删除文件  unlink("./11.txt");
//读取文件内容(本地,远程) echo file_get_contents("http://www.baidu.com");
//写入文件内容(覆盖) file_put_contents("./ajax/11.txt","hello world");
//读取文件并输出  readfile("./11.txt");
//将文件中每行数据放到数组  $arr = file("./ajax/test.php");

//打开文件资源  $fp = fopen("./11.txt","a");
//写入内容  fwrite($fp,"ceshi");
//一次读一行  echo fgets($fp);
//读多行  echo fread($fp,2);
//关闭文件资源  fclose($fp);
//删除一个文件夹
/*$fname = "./ajax";
$d = opendir($fname);
while($url = readdir($d))
{
echo $fname."/".$url."<br>";
}
closedir($d);*/
//rmdir()

//给我一个文件夹,删掉
function Del($url)
{
//清空
$d = opendir($url);	
while($u = readdir($d))
{
if($u!="." && $u != "..")
{
$fname = $url."/".$u;
if(is_file($fname))
{
unlink($fname);
}
else
{
Del($fname);
}
}
}
closedir($d);

//删除
rmdir($url);
}
Del("./ajax");
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