hash_file

hash_file

Generate a hash value using the contents of a given file

 **hash_file** string $algo string $filename bool $binary array $options

algo Name of selected hashing algorithm (e.g. ). For a list of supported algorithms see . "sha256"``hash_algos

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

binaryWhen set to true, outputs raw binary data. false outputs lowercase hexits.

options An array of options for the various hashing algorithms. Currently, only the parameter is supported by the MurmurHash variants. "seed"

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

**Voorbeeld: Using **

<?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('sha256', 'example.txt');
?>

68b1282b91de2c054c36629cb8dd447f12f096d3e3c587978dc2248444633483

hash_init``hash_hmac_file