php拾遗3

Jun 23, 2016 pm 02:34 PM

   今天 拾的是一些很好的PHP5里面的磁盘,文件方面的函数,
1)parse_ini_file,
   这个可以解析php样式的ini

[personal information]
name = "abc"
quest = tes
favorite color = csd
[status]
Gender = 男
Country = 中华人民共和国
  那么
    $file_array = parse_ini_file("my.ini");
    print_r($file_array);
?>
 这样的输出是没分段的,以array { [name]=>abc....}输出
要按部分输出INI文件的话,设置第二个参数为ini
        $file_array = parse_ini_file("my.ini", true);
    print_r($file_array);
?>

2) 统计某个目录的剩余空间
       $drive = "c:/windows";
    echo round((disk_free_space($drive) / 1048576), 2)."K字节";
?>
3) 显示磁盘的逻辑容量
        $systempartitions = array("c:", "d:","e:");
    foreach ($systempartitions as $partition) {
        $totalSpace = disk_total_space($partition) / 1048576;
        $usedSpace = $totalSpace - disk_free_space($partition) / 1048576;
        echo "分区: $partition (容量: $totalSpace MB. 已使用: $usedSpace MB.)
";
    }
?>

4) 计算文件大小 filesize()
      $file = "php_development.pdf";
    $bytes = filesize("$file");
    echo "文件名 ".basename($file)." 大小为 $bytes字节, 或 ".round($bytes / 1024, 2)." K字节.";
?>
5) 取得文件的建立,最后访问和更新时间
       $file = "demo.gif";
    echo "文件最后一次访问时间:".date("Y-m-d g:i:sa",  fileatime($file));
    echo "
文件建立时间: ".date("Y-m-d g:i:sa",  filectime($file));
    echo "
文件最后一次更新: ".date("y-m-d g:i:sa",  filemtime($file));
?>

 

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