$Web Hdr Len or $Web Hdr Parm Len: Difference between revisions
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<span class="pageSubtitle"><section begin="desc" />Length of request header field<section end="desc" /></span> | <span class="pageSubtitle"><section begin="desc" />Length of request header field<section end="desc" /></span> | ||
$Web_Hdr_Len retrieves the length of a field in a request header. | <var>$Web_Hdr_Len</var> retrieves the length of a field in a request header. | ||
$Web_Hdr_Len takes two arguments and returns a number, or zero if the header does not exist. | <var>$Web_Hdr_Len</var> takes two arguments and returns a number, or zero if the header does not exist. | ||
==Syntax== | ==Syntax== | ||
Revision as of 22:43, 18 October 2012
<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. |