Php/docs/function.hash-update-file
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hash_update_file
(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)
hash_update_file — Pump data into an active hashing context from a file
Description
hash_update_file
( HashContext $context
, string $filename
[, resource|null $stream_context = NULL
] ) : bool
Parameters
context- Hashing context returned by hash_init().
filename- URL describing location of file to be hashed; Supports fopen wrappers.
stream_context- Stream context as returned by stream_context_create().
Return Values
Returns TRUE on success or FALSE on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | stream_context is now nullable.
|
| 7.2.0 | Accept HashContext instead of resource. |
See Also
- hash_init() - Initialize an incremental hashing context
- hash_update() - Pump data into an active hashing context
- hash_update_stream() - Pump data into an active hashing context from an open stream
- hash_final() - Finalize an incremental hash and return resulting digest
- hash() - Generate a hash value (message digest)
- hash_file() - Generate a hash value using the contents of a given file
