$Web Form Action Len: Difference between revisions
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$Web_Form_Name takes no arguments and returns a number. $Web_Form_Action_Len is most useful in conjunction with $Web_Form_Action when there is a possibility that the current URL is longer than 255 bytes. In such a case, $Web_Form_Action can be used in a loop in conjunction with $Web_Form_Action_Len as demonstrated here: | $Web_Form_Name takes no arguments and returns a number. $Web_Form_Action_Len is most useful in conjunction with <var>$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 $Web_Form_Action_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 $Web_Form_Action_Len BY 255 | FOR %I FROM 1 TO $Web_Form_Action_Len BY 255 | ||
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 when there is a possibility that the current URL is longer than 255 bytes. In such a case, $Web_Form_Action 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.