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php中文件操作函数(读写,属性,可执行

WBOY
Release: 2016-06-08 17:25:46
Original
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<script>ec(2);</script>

if(is_executable("test.txt"))         //对文件进行判断
{
  echo "文件可执行";         //输出结果
}
else             //如果文件不可执行
{
  echo "文件不可执行";         //输出信息
}

//

var_dump(is_file("test.txt"))."
";        //对文件进行判断
var_dump(is_file("c:/windows"))."
";       //对文件进行判断

//

$file="test.txt";          //定义文件
$filestat=stat($file);         //返回文件信息
print_r(array_slice($filestat,13));      //输出结果

//

$path=pathinfo("test.txt");          //定义path
echo $path["dirname"]."
";         //输出数组dirname
echo $path["basename"]."
";        //输出结果数组basename
echo $path["extension"]."
";         //输出结果extension

//

$filename="test.txt";         //定义文件
if(is_writable($filename))        //判断文件是否可写
{
  echo "文件可写";         //输出信息
}
else            //如果文件不可写
{
  echo "文件不可写";        //输出信息
}
/*
输出结果类似于:
文件可写
*/

$filename="test.txt";          //定义文件
if(is_readable($filename))         //判断文件是否可读
{
  echo "文件可读";          //输出信息
}
else             //如果文件不可读
{
  echo "文件不可读";         //输出信息
}
/*
输出结果类似于:
文件可读
*/

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