md5_file
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
md5_file — Calculates the md5 hash of a given file
Description
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.
Parameters
-
filename -
The filename
-
binary -
When
true, returns the digest in raw binary format with a length of 16.
Return Values
Returns a string on success, false otherwise.
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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