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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