hash
PHP Manual

hash_update_file

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

hash_update_file — Pump data into an active hashing context from a file

说明

bool hash_update_file ( resource $context , string $filename [, resource $context ] )

参数

context

Hashing context returned by hash_init().

filename

URL describing location of file to be hashed; Supports fopen wrappers.

context

Stream context as returned by stream_context_create().

返回值

如果成功则返回 TRUE,失败则返回 FALSE

参见


hash
PHP Manual