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hash_file (no version information, might be only in CVS) hash_file -- Generate a hash value using the contents of a given file Descriptionstring hash_file ( string algo, string filename [, bool raw_output] ) 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.
Default value (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 |
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hash_algos
