MD5_FILE(3) 1 MD5_FILE(3)
md5_file - Calculates the md5 hash of a given file
SYNOPSIS
string md5_file (string $filename, [bool $raw_output = false])
DESCRIPTION
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.
PARAMETERS
o $filename
- The filename
o $raw_output
- When TRUE, returns the digest in raw binary format with a length of 16.
RETURN VALUES
Returns a string on success, FALSE otherwise.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.1.0 | |
| | |
| | Changed the function to use the streams API. It |
| | means that you can use it with wrappers, like |
| | md5_file('http://example.com/..') |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
Usage example of md5_file(3)
<?php
$file = 'php-5.3.0alpha2-Win32-VC9-x64.zip';
echo 'MD5 file hash of ' . $file . ': ' . md5_file($file);
?>
SEE ALSO
md5(3), sha1_file(3), crc32(3).
PHP Documentation Group MD5_FILE(3)
