$Web Hdr Name: Difference between revisions
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<span class="pageSubtitle"><section begin="desc" />Name of request header field<section end="desc" /></span> | <span class="pageSubtitle"><section begin="desc" />Name of request header field<section end="desc" /></span> | ||
$Web_Hdr_Name retrieves the name of a field in a request header. | <var>$Web_Hdr_Name</var> retrieves the name of a field in a request header. | ||
$Web_Hdr_Name takes a single argument and returns a string, or null if the number references a non-existing field. | <var>$Web_Hdr_Name</var> takes a single argument and returns a string, or null if the number references a non-existing field. | ||
==Syntax== | ==Syntax== | ||
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$Web_Hdr_Name is useful when writing generic server applications, when the server does not know what field name exists at a particular location in a request. | <var>$Web_Hdr_Name</var> is useful when writing generic server applications, when the server does not know what field name exists at a particular location in a request. | ||
<p class="code">* Get the number of header fields. | <p class="code">* Get the number of header fields. | ||
%x = $Web_Num_Hdr | %x = $Web_Num_Hdr | ||
Revision as of 22:43, 18 October 2012
<section begin="desc" />Name of request header field<section end="desc" />
$Web_Hdr_Name retrieves the name of a field in a request header.
$Web_Hdr_Name takes a single argument and returns a string, or null if the number references a non-existing field.
Syntax
<section begin="syntax" />%rc = $Web_Hdr_Name( field_number ) <section end="syntax" />
$Web_Hdr_Name is useful when writing generic server applications, when the server does not know what field name exists at a particular location in a request.
* Get the number of header fields. %x = $Web_Num_Hdr * Load the header field names into an array. FOR %y FROM 1 TO %x %HDR_FIELD(%y) = $Web_Hdr_Name(%y) END FOR