PHP 教程
PHP chmod() 函數(shù)
完整的 PHP Filesystem 參考手冊(cè)定義和用法
chmod() 函數(shù)改變指定文件的權(quán)限。
如果成功則返回 TRUE，如果失敗則返回 FALSE。
語法
chmod(file,mode)
| 參數(shù) | 描述 |
|---|---|
| file | 必需。規(guī)定要檢查的文件。 |
| mode | 必需。規(guī)定新的權(quán)限。 mode 參數(shù)由 4 個(gè)數(shù)字組成：
可能的值（如需設(shè)置多個(gè)權(quán)限，請(qǐng)對(duì)下面的數(shù)字進(jìn)行總計(jì)）：
|
實(shí)例
<?php
// Read and write for owner, nothing for everybody else
chmod("test.txt",0600);
// Read and write for owner, read for everybody else
chmod("test.txt",0644);
// Everything for owner, read and execute for everybody else
chmod("test.txt",0755);
// Everything for owner, read for owner's group
chmod("test.txt",0740);
?>
// Read and write for owner, nothing for everybody else
chmod("test.txt",0600);
// Read and write for owner, read for everybody else
chmod("test.txt",0644);
// Everything for owner, read and execute for everybody else
chmod("test.txt",0755);
// Everything for owner, read for owner's group
chmod("test.txt",0740);
?>
完整的 PHP Filesystem 參考手冊(cè)其他擴(kuò)展