使用PHP获取最近更新的文件

Question

I need to get the latest updated file from number of files presen under that directory starting with name file_(random number).css? there are number of file present like this:

file_12.css
file_34.css
file_14.css

I want to get the most recently updated file. is there any readymade function available to retrieve such file in PHP?

Answer 1

Yes there is:

int filemtime ( string $filename )

Info: http://php.net/manual/en/function.filemtime.php

string readdir ([ resource $dir_handle ] )

Info: http://php.net/manual/en/function.readdir.php

or

array scandir ( string $directory [, int $sorting_order = SCANDIR_SORT_ASCENDING [, resource $context ]] )

Info: http://www.php.net/manual/en/function.scandir.php