GoLang hash_file

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PHP hash_file

PHP original manual for hash_file [ show | php.net ]

hash_file

(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)

hash_file — Generate a hash value using the contents of a given file

Description

string hash_file ( string $algo , string $filename [, bool $raw_output = FALSE ] )

Parameters

algo

Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)

filename

URL describing location of file to be hashed; Supports fopen wrappers.

raw_output

When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.

Return Values

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

Examples

Example #1 Using hash_file()

<?php
/* Create a file to calculate hash of */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');

echo hash_file('md5', 'example.txt');
?>

The above example will output:

5c6ffbdd40d9556b73a21e63c3e0e904

See Also

  • hash() - Generate a hash value (message digest)
  • hash_hmac_file() - Generate a keyed hash value using the HMAC method and the contents of a given file
  • hash_update_file() - Pump data into an active hashing context from a file
  • md5_file() - Calculates the md5 hash of a given file
  • sha1_file() - Calculate the sha1 hash of a file