I have several files on a server that I need to download from an ansible playbook, but because the connection has good chances of interruption I would like to check their integrity after download. ...

I have created hundreds of folders and text files using php, I then add them to a zip archive. This all works fine but if I create another zip archive using the same folders and files, the new ar...

I currently use md5_file() to run through about 15 URLs and verify their MD5 hashes. Is there a way that I can make this faster? It takes far too long to run through all of them.

We may notice many download sites provide md5 string. For example, when I download ABC.zip, along with an md5 string like: “2743a6a9fe6f873df1c7ed8ac91df5d7 *ABC.zip”. I know the idea behind it, it...

How can I read an arbitrary file and process it "piece by piece" (meaning byte by byte or some other chunk size that would give the best read performance) without loading the entire file into memor...

If I do: <?php echo md5(file_get_contents("/path/to/file")) ?> ...will this always produce the same hash as: <?php echo md5_file("/path/to/file") ?>

I have some script that generates templates of a page. Also, this scripts renders <script> and <link rel='stylesheet'> tags in the HTML. I'd like to add cache-breaking feature with "?v...

how I can calculate MD5 hash for a file that is open or used by a process? the files can be txt or and exe my current code return error for an exe because it is running here is my current code ...