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AuthorBil Corry
LicensePublic Domain
Posted12 Feb 2006
Updated03 Dec 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]

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:'test5'='not stored in session';
var:'test6'='not stored in session';

Sessions Example

Session IDs as reported by Lasso Session ID #1 = [session_id: -name='test_session1'] Session ID #2 = [session_id: -name='test_session2']
Session IDs as reported by lp_session_id ['[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]
Session IDs added by Lasso (view source) forms:
links: link1 link2
Redirect Test [ if: (action_param:'r') == '1'; redirect_url:'sessiontest.lasso'; else: (action_param:'r') == '2'; lp_session_redirect:'sessiontest.lasso'; /if; 'Normal redirect\r\n'; 'Session redirect\r\n'; ]
Session Vars All Sessions = [lp_session_vars] Session ID #1 = [lp_session_vars: 'test_session1'] Session ID #2 = [lp_session_vars: 'test_session2']

Source Code

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	-description='Returns all session vars, or if a session name is specified, just the vars for that session name.',
	local:'vars' = array;
	local:'session' = array;
	local:'varnames' = array;
	if: local_defined:'session_name';
		#session->(insert: '_SessionTracker_' #session_name '_Vars');
		// 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;} );
	iterate: #session, local:'i';
		if: (var: #i)->type == 'array';
			#varnames->(merge: (var: #i));

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


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




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