$Web Form Action Len: Difference between revisions
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{{DISPLAYTITLE:$ | {{DISPLAYTITLE:<var>$Web_Form_Action</var>.Len}} | ||
<span class="pageSubtitle"><section begin="desc" />Return action URL length<section end="desc" /></span> | <span class="pageSubtitle"><section begin="desc" />Return action URL length<section end="desc" /></span> | ||
$ | <var>$Web_Form_Action</var>.Len returns the length of the relative URL of the current request. | ||
==Syntax== | ==Syntax== | ||
<p class="syntax"><section begin="syntax" /> %RC = $ | <p class="syntax"><section begin="syntax" /> %RC = <var>$Web_Form_Action</var>.Len | ||
<section end="syntax" /></p> | <section end="syntax" /></p> | ||
$Web_Form_Name takes no arguments and returns a number. $ | $Web_Form_Name takes no arguments and returns a number. <var>$Web_Form_Action</var>.Len is most useful in conjunction with <var><var>$Web_Form_Action</var>./var> when there is a possibility that the current URL is longer than 255 bytes. In such a case, <var><var>$Web_Form_Action</var>./var> can be used in a loop in conjunction with <var>$Web_Form_Action</var>.Len as demonstrated here: | ||
<p class="code"> PRINT '<form method="POST" action="' ... | <p class="code"> PRINT '<form method="POST" action="' ... | ||
FOR %I FROM 1 TO $ | FOR %I FROM 1 TO <var>$Web_Form_Action</var>.Len BY 255 | ||
PRINT $Web_Form_Action | PRINT <var>$Web_Form_Action</var>.%I) ... | ||
END FOR | END FOR | ||
PRINT '">' | PRINT '">' | ||
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See also [[$ | See also [[<var>$Web_Form_Action</var>.Len]] and [[$Web_Form_Done]]. | ||
[[Category:Janus Web Server $functions|$ | [[Category:Janus Web Server $functions|<var>$Web_Form_Action</var>.Len]] | ||
Revision as of 20:54, 6 June 2012
<section begin="desc" />Return action URL length<section end="desc" />
$Web_Form_Action.Len returns the length of the relative URL of the current request.
Syntax
<section begin="syntax" /> %RC = $Web_Form_Action.Len <section end="syntax" />
$Web_Form_Name takes no arguments and returns a number. $Web_Form_Action.Len is most useful in conjunction with $Web_Form_Action./var> when there is a possibility that the current URL is longer than 255 bytes. In such a case, $Web_Form_Action./var> can be used in a loop in conjunction with $Web_Form_Action.Len as demonstrated here:
PRINT '<form method="POST" action="' ... FOR %I FROM 1 TO $Web_Form_Action.Len BY 255 PRINT $Web_Form_Action.%I) ... END FOR PRINT '">'
See also [[$Web_Form_Action.Len]] and $Web_Form_Done.