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>sha1</H1
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><P
> (PHP 4 >= 4.3.0)</P
>sha1 -- Calculate the sha1 hash of a string</DIV
><DIV
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NAME="AEN75428"
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><H2
>Description</H2
>string <B
CLASS="methodname"
>sha1</B
> ( string str)<BR
></BR
><P
> Calculates the sha1 hash of <TT
CLASS="parameter"
><I
>str</I
></TT
> using the
<A
HREF="http://www.faqs.org/rfcs/rfc3174.html"
TARGET="_top"
>US Secure Hash Algorithm 1</A
>,
and returns that hash. The hash is a 40-character hexadecimal number.
</P
><P
> See also <A
HREF="function.sha1-file.html"
><B
CLASS="function"
>sha1_file()</B
></A
>, <A
HREF="function.crc32.html"
><B
CLASS="function"
>crc32()</B
></A
>,
and <A
HREF="function.md5.html"
><B
CLASS="function"
>md5()</B
></A
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