# hash_update

(PHP 5 >= 5.1.2, PECL hash:1.1-1.5)

hash_update — Pump data into an active hashing context

### Description

bool hash_update ( resource `$context` , string `$data` )

### Parameters

`context`

  Hashing context returned by hash_init().

`data`

  Message to be included in the hash digest.

### Return Values

Returns `TRUE`.

### See Also

- hash_init()
- hash_update_file()
- hash_update_stream()
- hash_final()