[lp_session_vars] at tagSwap.net: Open Source Lasso Code

[lp_session_vars]

Description

Link: [lp_session_vars]

Author: Bil Corry

Category: Session

Version: 8.x

License: Public Domain

Posted: Feb. 12, 2006

Updated: Dec. 03, 2007

More by this author...

Returns all session vars, or if a session name is specified, just the vars for that session name.

Requires [lp_session_id]

Parameters

-session_name	string, optional	The session to return all vars for, optional. Default to return all session vars for all sessions.
-string	boolean, optional	Optionally returns the vars as a comma-delimited string.

Sample Usage

[

session_start: -name='test_session1', -uselink;
session_start: -name='test_session2', -uselink;
session_addvar: -name='test_session1', 'test1';
session_addvar: -name='test_session2', 'test2';
session_addvar: -name='test_session1', 'test3';
session_addvar: -name='test_session2', 'test4';
var:'test1'=123;
var:'test2'=456;
var:'test3'='abc';
var:'test4'='def';
var:'test5'='not stored in session';
var:'test6'='not stored in session';

]
<pre>
<b>Sessions Example</b>
<hr>
<b>Session IDs as reported by Lasso</b>
Session ID #1 = [session_id: -name='test_session1']
Session ID #2 = [session_id: -name='test_session2']
<hr>
<b>Session IDs as reported by lp_session_id</b>
['[lp_session_id] = '][lp_session_id]
['[lp_session_id: -vars] = '][lp_session_id: -vars]
['[lp_session_id: -form] = '][output: (lp_session_id: -form)]
['[lp_session_id: -form, -xhtml] = '][output: (lp_session_id: -form, -xhtml)]
['[lp_session_id: -url] = '][lp_session_id: -url]
<hr>
<b>Session IDs added by Lasso (view source)</b>

forms:
<form action=""><input type="text" name="test1" value="form1"></form>
<form action=""><input type="text" name="test2" value="form2"></form>

links:
<a href="">link1</a>
<a href="">link2</a>
<hr>
<b>Redirect Test</b>
[
	if: (action_param:'r') == '1';
		redirect_url:'sessiontest.lasso';
	else: (action_param:'r') == '2';
		lp_session_redirect:'sessiontest.lasso';
	/if;
	
	'<a href="?r=1">Normal redirect</a>\r\n';
	'<a href="?r=2">Session redirect</a>\r\n';
]
<hr>
<b>Session Vars</b>

All Sessions  = [lp_session_vars]
Session ID #1 = [lp_session_vars: 'test_session1']
Session ID #2 = [lp_session_vars: 'test_session2']
<hr>

</pre>

Source Code

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[

define_tag:'lp_session_vars',
	-description='Returns all session vars, or if a session name is specified, just the vars for that session name.',
	-priority='replace',
	-optional='session_name',
	-optional='string';
	
	local:'vars' = array;
	local:'session' = array;
	local:'varnames' = array;
	
	if: local_defined:'session_name';
		#session->(insert: '_SessionTracker_' #session_name '_Vars');
	else;
		// get session name and session ID as an array of pairs
		#session = (lp_session_id: -vars);
		// get just the name of the session
		#session->(foreach: {params->first = params->first->name; Return: True;} );
		// now get the variable name that stores the session variable names
		#session->(foreach: {params->first->(append:'_Vars'); Return: True;} );
	/if;
	
	iterate: #session, local:'i';
		if: (var: #i)->type == 'array';
			#varnames->(merge: (var: #i));
		/if;
	/iterate;
	


	if: local_defined:'string';
		iterate: #varnames, local:'i';
			#vars->(insert: #i + '=' + (var: #i));
		/iterate;
	
		return: #vars->(join:', ');

	else;

		iterate: #varnames, local:'i';
			#vars->(insert: #i = (var: #i));
		/iterate;
	
		return: #vars;

	/if;

/define_tag;

]

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