Rechercher une fonction PHP

md5_file

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

md5_file — Calculates the md5 hash of a given file

Description

md5_file ( string $filename [, bool $raw_output = FALSE ] ) : string

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.

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Parameters

filename

The filename

raw_output

When TRUE, returns the digest in raw binary format with a length of 16.

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Return Values

Returns a string on success, FALSE otherwise.

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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/..')

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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);
?>

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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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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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