$Web_Hdr_Len or $Web_Hdr_Parm_Len
(Redirected from $Web Hdr Len)
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. |
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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. |