View source for $Web Form Action Len

{{DISPLAYTITLE:<var>$Web_Form_Action</var>.Len}}
<span class="pageSubtitle"><section begin="desc" />Return action URL length<section end="desc" /></span>

<var>$Web_Form_Action_Len</var> takes no arguments and returns the length of the relative URL of the current request.

==Syntax==
<p class="syntax"><section begin="syntax" /><span class="term">%rc</span> = $Web_Form_Action_Len
<section end="syntax" /></p>

==Usage notes==
<var>$Web_Form_Action_Len</var> is most useful in conjunction with <var>[[$Web_Form_Action]]</var> when there is a possibility that the current URL is longer than 255 bytes. In such a case, <var>$Web_Form_Action</var> can be used in a loop in conjunction with <var>$Web_Form_Action_Len</var>, as demonstrated here:
<p class="code">PRINT '<form method="POST" action="' ...
FOR %I FROM 1 TO $Web_Form_Action_Len BY 255
PRINT $Web_Form_Action(%I) ...
END FOR
PRINT '">'
</p>

==See also==
<ul>
<li><var>[[$Web_Form_Done]]</var>
</ul>

[[Category:Janus Web Server $functions|$Web_Form_Action_Len]]