--- report2.php.orig	2020-03-09 21:09:29.271512379 +0200
+++ report2.php	2020-03-19 12:50:39.933174092 +0200
@@ -42,6 +42,7 @@
 	'filter_set' =>		[T_ZBX_STR,			O_OPT,	P_SYS,			null,		null],
 	'from' =>			[T_ZBX_RANGE_TIME,	O_OPT,	P_SYS,			null,		null],
 	'to' =>				[T_ZBX_RANGE_TIME,	O_OPT,	P_SYS,			null,		null],
+	'exportFile' =>		[T_ZBX_STR,			O_OPT,	P_SYS,			null,		null]
 ];
 check_fields($fields);
 validateTimeSelectorPeriod(getRequest('from'), getRequest('to'));
@@ -192,6 +193,7 @@
 					AVAILABILITY_REPORT_BY_TEMPLATE => _('By trigger template')
 				])
 			])
+			->addItem(new CSubmit('exportFile', _('Export to CSV')))
 	));
 
 	/*
@@ -455,9 +457,24 @@
 	$triggerTable = (new CTableInfo())->setHeader([_('Host'), _('Name'), _('Problems'), _('Ok'), _('Graph')]);
 
 	CArrayHelper::sort($triggers, ['host_name', 'description']);
-
+	
+	if(hasRequest('exportFile')) {
+		ob_end_clean();
+		$csvText = "Host;Name;Problems;Ok\n";
+		foreach ($triggers as $trigger) {
+			$availability = calculateAvailability($trigger['triggerid'], $data['filter']['timeline']['from_ts'], $data['filter']['timeline']['to_ts']);
+			$csvText .= $trigger['hosts'][0]['name'].";".$trigger['description'].";".sprintf('%.4f%%', $availability['true']).";".sprintf('%.4f%%', $availability['false'])."\n";
+		}
+		$filename = 'temp/report2_'.time().".csv";
+		header('Content-Description: File Transfer');
+            	header('Content-Type: application/force-download');
+            	header('Content-Disposition: attachment; filename="'.basename($filename).'"');
+            	die($csvText);
+	}	
+	
 	$paging = getPagingLine($triggers, ZBX_SORT_UP, new CUrl('report2.php'));
 
+	
 	foreach ($triggers as $trigger) {
 		$availability = calculateAvailability($trigger['triggerid'], $data['filter']['timeline']['from_ts'],
 			$data['filter']['timeline']['to_ts']