$Web Hdr Len or $Web Hdr Parm Len: Difference between revisions

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<td>The occurrence number of a header field, or the occurrence number of the header field matching ''fieldname'', if ''fieldname'' is specified. Optional argument if ''fieldname'' is specified, otherwise it is required.
<td>The occurrence number of a header field, or the occurrence number of the header field matching ''fieldname'', if ''fieldname'' is specified. Optional argument if ''fieldname'' is specified, otherwise it is required.
</td></tr></table>
</td></tr></table>


==See also==
==See also==

Latest revision as of 22:24, 5 June 2013

Length of request header field

$Web_Hdr_Len retrieves the length of a field in a request header.

$Web_Hdr_Len takes two arguments and returns a number, or zero if the header does not exist.

Syntax

%rc = $Web_Hdr_Len( fieldname, occurrence )

Syntax terms

fieldname The name of the header field, returned by $Web_Hdr_Name. Required argument if occurrence not specified, otherwise optional.
occurrence The occurrence number of a header field, or the occurrence number of the header field matching fieldname, if fieldname is specified. Optional argument if fieldname is specified, otherwise it is required.

See also