PHP sha1_file() Function
The sha1_file()
predifined function is used to calculates the SHA-1 hash of a file.
Syntax
sha1_file(file,raw)
- file - (Required) File to be calculated.
- raw - (optional) A specify value hex or binary output format:
- TRUE - Raw 20 character binary format
- FALSE - Default. 40 character hex number.
Example
<?php $file = "file.txt"; $sha1file = sha1_file($file); echo $sha1file; ?>
Output
da39a3ee5e6b4b0d3255bfef95601890afd80709