(PHP 4 >= 4.3.0, PHP 5)
sha1_file — Calculate the sha1 hash of a file
Calculates the sha1 hash of filename using the » US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.
The filename
When TRUE, returns the digest in raw binary format with a length of 20. Defaults to FALSE.
Returns a string on success, FALSE otherwise.
Example #1 sha1_file() example
<?php
foreach(glob('/home/Kalle/myproject/*.php') as $ent)
{
if(is_dir($ent))
{
continue;
}
echo $ent . ' (SHA1: ' . sha1_file($ent) . ')', PHP_EOL;
}
?>
| 版本 | 说明 |
|---|---|
| 5.0.0 | Added the raw_output parameter |
| 5.1.0 | Changed the function to use the streams API. It means that you can use it with wrappers, like sha1_file('http://example.com/..') |