PHP recursively obtains files in a directory, including subdirectories

巴扎黑
Release: 2016-11-12 10:15:01
Original
1356 people have browsed it

Encapsulated into a method, the code is as follows:

Php code

function readFileFromDir($dir) {  
    if (!is_dir($dir)) {  
        return false;  
    }  
    //打开目录  
    $handle = opendir($dir);  
    while (($file = readdir($handle)) !== false) {  
        //排除掉当前目录和上一个目录  
        if ($file == "." || $file == "..") {  
            continue;  
        }  
        $file = $dir . DIRECTORY_SEPARATOR . $file;  
        //如果是文件就打印出来,否则递归调用  
        if (is_file($file)) {  
            print $file . &#39;<br />&#39;;  
        } elseif (is_dir($file)) {  
            readFileFromDir($file);  
        }  
    }  
}
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Calling method:

Php code

$dir = '/home/www/test';

readFileFromDir($dir);

If you look at the PHP manual, there is another method scandir that can also be used, but this method will get all the files in a single-level directory at once and store them in an array. If there are many files in the directory, it will get stuck.


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