PHP function sha1_file()
Availability in versions: PHP 4.3.0
Calculate the sha1 hash of a file
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$filename |
string |
not | The filename |
$raw_output |
bool |
null | When true, returns the digest in raw binary format with a length of 20. |
Return values
string
A string on success, false otherwise.