md5_file

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

md5_file — Calculates the md5 hash of a given file

md5_file(string$filename, bool$binary = false): string|false

Calculates the MD5 hash of the file specified by the filename parameter using the » RSA Data Security, Inc. MD5 Message-Digest Algorithm, and returns that hash. The hash is a 32-character hexadecimal number.

filename: The filename
binary: When true, returns the digest in raw binary format with a length of 16.

Returns a string on success, false otherwise.

Exemplo #1 Usage example of md5_file()

<?php
$file = 'php-5.3.0alpha2-Win32-VC9-x64.zip';

echo 'MD5 file hash of ' . $file . ': ' . md5_file($file);
?>