How to delete files by time in PHP?

#How to delete files by time in PHP?

First use the function "opendir()" to read all files in the folder; then use the function "is_dir()" to filter out the folder; then use the function "filemtime()" to get the file creation time; finally delete it according to the creation time.

Code example

$n) unlink($fullpath); //删除文件
                    }
                }
            }
        }
        closedir($dh);
    }
}


//下面是调用的代码
//删除1天前的文件
$dir = realpath('./Upload/export');
del_file_by_ctime($dir, 24*60);
?>

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