w3resource

PHP: md5_file() function

Description

The md5_file() function is used to calculate the md5 hash ( the hash as a 32-character hexadecimal number ) of a given file.

Version:

(PHP 4 and above)

Syntax:

md5_file(file_name, raw_output)

Parameter:

Name Description Required /
Optional
Type
file_name The file name. Required String
raw_output Refers hex or binary output format, Returns raw 16-bit binary format if raw_output sets TRUE and return 32-bit hex format for setting FALSE (default). Optional Boolean

Return value:

Returns a string on success, FALSE otherwise.

Value Type: String.

Pictorial Presentation

php-string-md5_file()

Example:

<?php
$file_name = 'testvf.txt';
echo md5_file($file_name);
?>

Output:

f006da995a5475841a21f546be8e4f11 

View the example in the browser

See also

PHP Function Reference

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