PHP Handbuch
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sha1

(PHP 4 >= 4.3.0)

sha1 -- Calculate the sha1 hash of a string

Description

string sha1 ( string str)

Calculates the sha1 hash of str using the US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.

See also sha1_file(), crc32(), and md5()

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