X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=session_messages.php;fp=session_messages.php;h=358994c846c87a39e453d4b17895a414b76715a5;hb=a11c234de210c655511de6e841eaf87d4787b3f5;hp=0000000000000000000000000000000000000000;hpb=0829623c0e10d5cc83e12547387b5fa0abaf43e0;p=wfpl.git

diff --git a/session_messages.php b/session_messages.php
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--- /dev/null
+++ b/session_messages.php
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+<?php
+
+#  Copyright (C) 2007 Jason Woofenden
+#
+#  This file is part of wfpl.
+#
+#  wfpl is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU Lesser General Public License as published by the Free
+#  Software Foundation; either version 2.1 of the License, or (at your option)
+#  any later version.
+#
+#  wfpl is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with wfpl; if not, write to the Free Software Foundation, Inc., 51
+#  Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+# require_once() this file instead of messages.php if you'd like to store
+# save/restore messages in the session accross redirect()s. That's all you have
+# to do. These functions are called when needed (from redirect() and
+# display_messages()) if they are defined.
+
+# see messages.php for documentation on how to use it.
+
+require_once('code/wfpl/session.php');
+require_once('code/wfpl/string_array.php');
+require_once('code/wfpl/messages.php');
+
+function session_save_messages() {
+	if(!isset($GLOBALS['wfpl_messages'])) {
+		return;
+	}
+	if(!is_array($GLOBALS['wfpl_messages'])) {
+		return;
+	}
+
+	init_session();
+	session_set('wfpl_messages', array_to_string($GLOBALS['wfpl_messages']);
+}
+
+function session_restore_messages() {
+	if(!session()) {
+		return false;
+	}
+	$messages = session_get('wfpl_messages');
+	if($messages !== false) {
+		$messages = string_to_array($messages);
+		# messages from the previous run happened first
+		$GLOBALS['wfpl_messages'] = array_merge($messages, $GLOBALS['wfpl_messages']);
+	}
+	session_clear('wfpl_messages');
+}