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PHP : Function Reference : hash Functions : hash_update_stream

hash_update_stream

Pump data into an active hashing context from an open stream (PHP 5 >= 5.1.2, PECL hash:1.1-1.5)
int hash_update_stream ( resource context, resource handle [, int length] )

Example 871. hash_update_stream() example

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<?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);
?>

The above example will output:

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5c6ffbdd40d9556b73a21e63c3e0e904

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hash_algos
hash_file
hash_final
hash_hmac_file
hash_hmac
hash_init
hash_update_file
hash_update_stream
hash_update
hash

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