(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)
hash_update_file — Pump data into an active hashing context from a file
$hcontext
, string $filename
[, resource $scontext
= NULL
] )
hcontext
Hashing context returned by hash_init().
filename
URL describing location of file to be hashed; Supports fopen wrappers.
scontext
Stream context as returned by stream_context_create().
성공 시 TRUE
를, 실패 시 FALSE
를 반환합니다.