sha1_file
PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8
sha1_file - Calculate the sha1 hash of a file
sha1_file(
string$filename,
[bool$binary = false] ): string|false
Calculates the sha1 hash of the file specified by filename using the US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.
Parameters
- filename
-
The filename of the file to hash.
- binary
-
When true, returns the digest in raw binary format with a length of 20.
Return Values
Returns a string on success, false otherwise.