hash_update_stream
(no version information, might be only in CVS)
hash_update_stream -- Pump data into an active hashing context from an open stream
Description
int
hash_update_stream ( resource context, resource handle [, int length] )
Parameters
context
Hashing context returned by hash_init().
handle
Open file handle as returned by any stream creation function.
length
Maximum number of characters to copy from handle
into the hashing context.
Return Values
Actual number of bytes added to the hashing context from handle.
Examples
Example 1. hash_update_stream() example
<?php
$fp = tmpfile();
fwrite($fp, 'The quick brown fox jumped over the lazy dog.');
rewind($fp);
$ctx = hash_init('md5');
hash_update_stream($ctx, $fp);
echo hash_final($ctx);
?>
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The above example will output: 5c6ffbdd40d9556b73a21e63c3e0e904 |
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