md5_file
md5_file
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
md5_file — Calculates the md5 hash of a given file
Description
string md5_file ( string $filename [, bool $raw_output = 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.
Parameters
-
filename -
The filename
-
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()
<?php $file = 'php-5.3.0alpha2-Win32-VC9-x64.zip'; echo 'MD5 file hash of ' . $file . ': ' . md5_file($file); ?>
See Also
- md5() - Calculate the md5 hash of a string
- sha1_file() - Calculate the sha1 hash of a file
- crc32() - Calculates the crc32 polynomial of a string
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.md5-file.php
