PHP deletes the file before the specified date in the root directory of the specified folder.

Source: Internet
Author: User
Tags chmod

Delete an object

The code is as follows: Copy code

File_delete = "home/meeta/my. php ";

If (unlink ($ file_delete )){
Echo "The file was deleted successfully.", "n ";
} Else {
Echo "The specified file cocould not be deleted. Please try again.", "n ";
}
?>

The following code checks whether a file exists.

The code is as follows: Copy code

$ Myfile = "./test1.txt ";
If (file_exists ($ myfile )){
$ Result = unlink ($ myfile );
Echo $ result;
}
?>

Delete the file before the specified date in the root directory of the specified folder

The code is as follows: Copy code

<? Php
Function del_dir ($ dir) {// delete a directory
If (! ($ Mydir = @ dir ($ dir ))){
Return;
    }
While ($ file = $ mydir-> read ()){
If (is_dir ("$ dir $ file") & $ file! = '.' & $ File! = '..'){
@ Chmod ("$ dir $ file", 0777 );
Del_dir ("$ dir $ file ");
} Elseif (is_file ("$ dir/$ file ")){
$ File_time = @ stat ($ file); // The last update time when the file is read.
If (time ()-$ file_time> 3600*24*14 ){
@ Chmod ("$ dir/$ file", 0777 );
@ Unlink ("$ dir/$ file ");
            }
        }
    }
$ Mydir-> close ();
@ Chmod ($ dir, 0777 );
@ Rmdir ($ dir );
}
?>

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