$Web_Hdr_Len or $Web_Hdr_Parm_Len
<section begin="desc" />Length of request header field<section end="desc" />
$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
<section begin="syntax" />%rc = $Web_Hdr_Len( fieldname, occurrence ) <section end="syntax" />
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. |