diff --git a/blogger/blogger.php b/blogger/blogger.php
index 4de65d55..bf4c7eac 100644
--- a/blogger/blogger.php
+++ b/blogger/blogger.php
@@ -203,12 +203,12 @@ function blogger_send(App $a, array &$b)
 
 EOT;
 
-		Logger::log('blogger: data: ' . $xml, LOGGER_DATA);
+		Logger::log('blogger: data: ' . $xml, Logger::DATA);
 
 		if ($bl_blog !== 'test') {
 			$x = Network::post($bl_blog, $xml)->getBody();
 		}
 
-		Logger::log('posted to blogger: ' . (($x) ? $x : ''), LOGGER_DEBUG);
+		Logger::log('posted to blogger: ' . (($x) ? $x : ''), Logger::DEBUG);
 	}
 }
diff --git a/buffer/buffer.php b/buffer/buffer.php
index b5c17e4a..93e9432e 100644
--- a/buffer/buffer.php
+++ b/buffer/buffer.php
@@ -299,7 +299,7 @@ function buffer_send(App $a, array &$b)
 
 		$profiles = $buffer->go('/profiles');
 		if (is_array($profiles)) {
-			Logger::log("Will send these parameter ".print_r($b, true), LOGGER_DEBUG);
+			Logger::log("Will send these parameter ".print_r($b, true), Logger::DEBUG);
 
 			foreach ($profiles as $profile) {
 				if (!$profile->default)
@@ -358,7 +358,7 @@ function buffer_send(App $a, array &$b)
 				}
 
 				$post = ItemContent::getPlaintextPost($item, $limit, $includedlinks, $htmlmode);
-				Logger::log("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), LOGGER_DEBUG);
+				Logger::log("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), Logger::DEBUG);
 
 				// The image proxy is used as a sanitizer. Buffer seems to be really picky about pictures
 				if (isset($post["image"])) {
@@ -408,9 +408,9 @@ function buffer_send(App $a, array &$b)
 				}
 
 				//print_r($message);
-				Logger::log("buffer_send: data for message " . $b["id"] . ": " . print_r($message, true), LOGGER_DEBUG);
+				Logger::log("buffer_send: data for message " . $b["id"] . ": " . print_r($message, true), Logger::DEBUG);
 				$ret = $buffer->go('/updates/create', $message);
-				Logger::log("buffer_send: send message " . $b["id"] . " result: " . print_r($ret, true), LOGGER_DEBUG);
+				Logger::log("buffer_send: send message " . $b["id"] . " result: " . print_r($ret, true), Logger::DEBUG);
 			}
 		}
 	}
diff --git a/diaspora/diaspora.php b/diaspora/diaspora.php
index 508655fd..03793310 100644
--- a/diaspora/diaspora.php
+++ b/diaspora/diaspora.php
@@ -99,27 +99,27 @@ function diaspora_queue_hook(App $a, &$b) {
 
 			$post = $z['post'];
 
-			Logger::log('diaspora_queue: post: '.$post, LOGGER_DATA);
+			Logger::log('diaspora_queue: post: '.$post, Logger::DATA);
 
 			try {
-				Logger::log('diaspora_queue: prepare', LOGGER_DEBUG);
+				Logger::log('diaspora_queue: prepare', Logger::DEBUG);
 				$conn = new Diaspora_Connection($handle, $password);
-				Logger::log('diaspora_queue: try to log in '.$handle, LOGGER_DEBUG);
+				Logger::log('diaspora_queue: try to log in '.$handle, Logger::DEBUG);
 				$conn->logIn();
-				Logger::log('diaspora_queue: try to send '.$body, LOGGER_DEBUG);
+				Logger::log('diaspora_queue: try to send '.$body, Logger::DEBUG);
 				$conn->provider = $hostname;
 				$conn->postStatusMessage($post, $aspect);
 
-				Logger::log('diaspora_queue: send '.$userdata['uid'].' success', LOGGER_DEBUG);
+				Logger::log('diaspora_queue: send '.$userdata['uid'].' success', Logger::DEBUG);
 
 				$success = true;
 
 				Queue::removeItem($x['id']);
 			} catch (Exception $e) {
-				Logger::log("diaspora_queue: Send ".$userdata['uid']." failed: ".$e->getMessage(), LOGGER_DEBUG);
+				Logger::log("diaspora_queue: Send ".$userdata['uid']." failed: ".$e->getMessage(), Logger::DEBUG);
 			}
 		} else {
-			Logger::log('diaspora_queue: send '.$userdata['uid'].' missing username or password', LOGGER_DEBUG);
+			Logger::log('diaspora_queue: send '.$userdata['uid'].' missing username or password', Logger::DEBUG);
 		}
 
 		if (!$success) {
@@ -312,14 +312,14 @@ function diaspora_send(App $a, array &$b)
 		return;
 	}
 
-	Logger::log('diaspora_send: prepare posting', LOGGER_DEBUG);
+	Logger::log('diaspora_send: prepare posting', Logger::DEBUG);
 
 	$handle = PConfig::get($b['uid'],'diaspora','handle');
 	$password = PConfig::get($b['uid'],'diaspora','password');
 	$aspect = PConfig::get($b['uid'],'diaspora','aspect');
 
 	if ($handle && $password) {
-		Logger::log('diaspora_send: all values seem to be okay', LOGGER_DEBUG);
+		Logger::log('diaspora_send: all values seem to be okay', Logger::DEBUG);
 
 		$tag_arr = [];
 		$tags = '';
@@ -364,11 +364,11 @@ function diaspora_send(App $a, array &$b)
 		require_once "addon/diaspora/diasphp.php";
 
 		try {
-			Logger::log('diaspora_send: prepare', LOGGER_DEBUG);
+			Logger::log('diaspora_send: prepare', Logger::DEBUG);
 			$conn = new Diaspora_Connection($handle, $password);
-			Logger::log('diaspora_send: try to log in '.$handle, LOGGER_DEBUG);
+			Logger::log('diaspora_send: try to log in '.$handle, Logger::DEBUG);
 			$conn->logIn();
-			Logger::log('diaspora_send: try to send '.$body, LOGGER_DEBUG);
+			Logger::log('diaspora_send: try to send '.$body, Logger::DEBUG);
 
 			$conn->provider = $hostname;
 			$conn->postStatusMessage($body, $aspect);
@@ -377,7 +377,7 @@ function diaspora_send(App $a, array &$b)
 		} catch (Exception $e) {
 			Logger::log("diaspora_send: Error submitting the post: " . $e->getMessage());
 
-			Logger::log('diaspora_send: requeueing '.$b['uid'], LOGGER_DEBUG);
+			Logger::log('diaspora_send: requeueing '.$b['uid'], Logger::DEBUG);
 
 			$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", $b['uid']);
 			if (count($r))
diff --git a/dwpost/dwpost.php b/dwpost/dwpost.php
index 462aaf45..a75fb878 100644
--- a/dwpost/dwpost.php
+++ b/dwpost/dwpost.php
@@ -226,13 +226,13 @@ function dwpost_send(App $a, array &$b)
 
 EOT;
 
-		Logger::log('dwpost: data: ' . $xml, LOGGER_DATA);
+		Logger::log('dwpost: data: ' . $xml, Logger::DATA);
 
 		if ($dw_blog !== 'test') {
 			$x = Network::post($dw_blog, $xml, ["Content-Type: text/xml"])->getBody();
 		}
 
-		Logger::log('posted to dreamwidth: ' . ($x) ? $x : '', LOGGER_DEBUG);
+		Logger::log('posted to dreamwidth: ' . ($x) ? $x : '', Logger::DEBUG);
 	}
 }
 
diff --git a/geocoordinates/geocoordinates.php b/geocoordinates/geocoordinates.php
index 7058e3ec..6a3f535c 100644
--- a/geocoordinates/geocoordinates.php
+++ b/geocoordinates/geocoordinates.php
@@ -55,25 +55,25 @@ function geocoordinates_resolve_item(&$item)
 	$s = Network::fetchUrl("https://api.opencagedata.com/geocode/v1/json?q=".$coords[0].",".$coords[1]."&key=".$key."&language=".$language);
 
 	if (!$s) {
-		Logger::log("API could not be queried", LOGGER_DEBUG);
+		Logger::log("API could not be queried", Logger::DEBUG);
 		return;
 	}
 
 	$data = json_decode($s);
 
 	if ($data->status->code != "200") {
-		Logger::log("API returned error ".$data->status->code." ".$data->status->message, LOGGER_DEBUG);
+		Logger::log("API returned error ".$data->status->code." ".$data->status->message, Logger::DEBUG);
 		return;
 	}
 
 	if (($data->total_results == 0) || (count($data->results) == 0)) {
-		Logger::log("No results found for coordinates ".$item["coord"], LOGGER_DEBUG);
+		Logger::log("No results found for coordinates ".$item["coord"], Logger::DEBUG);
 		return;
 	}
 
 	$item["location"] = $data->results[0]->formatted;
 
-	Logger::log("Got location for coordinates ".$coords[0]."-".$coords[1].": ".$item["location"], LOGGER_DEBUG);
+	Logger::log("Got location for coordinates ".$coords[0]."-".$coords[1].": ".$item["location"], Logger::DEBUG);
 
 	if ($item["location"] != "")
 		Cache::set("geocoordinates:".$language.":".$coords[0]."-".$coords[1], $item["location"]);
diff --git a/geonames/geonames.php b/geonames/geonames.php
index 9486d4e6..709e015b 100644
--- a/geonames/geonames.php
+++ b/geonames/geonames.php
@@ -133,7 +133,7 @@ function geonames_post_hook($a, &$item) {
 		$item['location'] = $xml->geoname->name . ', ' . $xml->geoname->countryName;
 
 
-//	Logger::log('geonames : ' . print_r($xml,true), LOGGER_DATA);
+//	Logger::log('geonames : ' . print_r($xml,true), Logger::DATA);
 	return;
 }
 
diff --git a/ifttt/ifttt.php b/ifttt/ifttt.php
index 8ba7428c..a5838c04 100644
--- a/ifttt/ifttt.php
+++ b/ifttt/ifttt.php
@@ -104,13 +104,13 @@ function ifttt_post(App $a)
 
 	$user = DBA::selectFirst('user', ['uid'], ['nickname' => $nickname]);
 	if (!DBA::isResult($user)) {
-		Logger::log('User ' . $nickname . ' not found.', LOGGER_DEBUG);
+		Logger::log('User ' . $nickname . ' not found.', Logger::DEBUG);
 		return;
 	}
 
 	$uid = $user['uid'];
 
-	Logger::log('Received a post for user ' . $uid . ' from ifttt ' . print_r($_REQUEST, true), LOGGER_DEBUG);
+	Logger::log('Received a post for user ' . $uid . ' from ifttt ' . print_r($_REQUEST, true), Logger::DEBUG);
 
 	if (!isset($_REQUEST['key'])) {
 		Logger::log('No key found.');
@@ -121,7 +121,7 @@ function ifttt_post(App $a)
 
 	// Check the key
 	if ($key != PConfig::get($uid, 'ifttt', 'key')) {
-		Logger::log('Invalid key for user ' . $uid, LOGGER_DEBUG);
+		Logger::log('Invalid key for user ' . $uid, Logger::DEBUG);
 		return;
 	}
 
@@ -132,7 +132,7 @@ function ifttt_post(App $a)
 	}
 
 	if (!in_array($item['type'], ['status', 'link', 'photo'])) {
-		Logger::log('Unknown item type ' . $item['type'], LOGGER_DEBUG);
+		Logger::log('Unknown item type ' . $item['type'], Logger::DEBUG);
 		return;
 	}
 
diff --git a/ijpost/ijpost.php b/ijpost/ijpost.php
index 13ede61f..a5f98f45 100644
--- a/ijpost/ijpost.php
+++ b/ijpost/ijpost.php
@@ -222,12 +222,12 @@ function ijpost_send(&$a, &$b)
 
 EOT;
 
-		Logger::log('ijpost: data: ' . $xml, LOGGER_DATA);
+		Logger::log('ijpost: data: ' . $xml, Logger::DATA);
 
 		if ($ij_blog !== 'test') {
 			$x = Network::post($ij_blog, $xml, ["Content-Type: text/xml"])->getBody();
 		}
-		Logger::log('posted to insanejournal: ' . $x ? $x : '', LOGGER_DEBUG);
+		Logger::log('posted to insanejournal: ' . $x ? $x : '', Logger::DEBUG);
 	}
 }
 
diff --git a/js_upload/js_upload.php b/js_upload/js_upload.php
index 9762e899..d4f0ec1e 100644
--- a/js_upload/js_upload.php
+++ b/js_upload/js_upload.php
@@ -160,7 +160,7 @@ function js_upload_post_init(&$a,&$b) {
 	$a->data['upload_jsonresponse'] =  htmlspecialchars(json_encode($result), ENT_NOQUOTES);
 
 	if(isset($result['error'])) {
-		Logger::log('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , 'LOGGER_DEBUG');
+		Logger::log('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , Logger::DEBUG);
 		echo json_encode($result);
 		killme();
 	}
diff --git a/ljpost/ljpost.php b/ljpost/ljpost.php
index 2473e74f..c7857000 100644
--- a/ljpost/ljpost.php
+++ b/ljpost/ljpost.php
@@ -232,12 +232,12 @@ function ljpost_send(&$a,&$b) {
 
 EOT;
 
-		Logger::log('ljpost: data: ' . $xml, LOGGER_DATA);
+		Logger::log('ljpost: data: ' . $xml, Logger::DATA);
 
 		if ($lj_blog !== 'test') {
 			$x = Network::post($lj_blog, $xml, ["Content-Type: text/xml"])->getBody();
 		}
-		Logger::log('posted to livejournal: ' . ($x) ? $x : '', LOGGER_DEBUG);
+		Logger::log('posted to livejournal: ' . ($x) ? $x : '', Logger::DEBUG);
 	}
 }
 
diff --git a/mailstream/mailstream.php b/mailstream/mailstream.php
index bac15342..c7842b78 100644
--- a/mailstream/mailstream.php
+++ b/mailstream/mailstream.php
@@ -95,7 +95,7 @@ function mailstream_generate_id($a, $uri) {
 	$host = $a->getHostName();
 	$resource = hash('md5', $uri);
 	$message_id = "<" . $resource . "@" . $host . ">";
-	Logger::log('mailstream: Generated message ID ' . $message_id . ' for URI ' . $uri, LOGGER_DEBUG);
+	Logger::log('mailstream: Generated message ID ' . $message_id . ' for URI ' . $uri, Logger::DEBUG);
 	return $message_id;
 }
 
@@ -124,16 +124,16 @@ function mailstream_post_hook(&$a, &$item) {
 		intval($item['contact-id']), DBA::escape($item['uri']), DBA::escape($message_id));
 	$r = q('SELECT * FROM `mailstream_item` WHERE `uid` = %d AND `contact-id` = %d AND `uri` = "%s"', intval($item['uid']), intval($item['contact-id']), DBA::escape($item['uri']));
 	if (count($r) != 1) {
-		Logger::log('mailstream_post_remote_hook: Unexpected number of items returned from mailstream_item', LOGGER_INFO);
+		Logger::log('mailstream_post_remote_hook: Unexpected number of items returned from mailstream_item', Logger::INFO);
 		return;
 	}
 	$ms_item = $r[0];
 	Logger::log('mailstream_post_remote_hook: created mailstream_item '
 		. $ms_item['id'] . ' for item ' . $item['uri'] . ' '
-		. $item['uid'] . ' ' . $item['contact-id'], LOGGER_DATA);
+		. $item['uid'] . ' ' . $item['contact-id'], Logger::DATA);
 	$user = mailstream_get_user($item['uid']);
 	if (!$user) {
-		Logger::log('mailstream_post_remote_hook: no user ' . $item['uid'], LOGGER_INFO);
+		Logger::log('mailstream_post_remote_hook: no user ' . $item['uid'], Logger::INFO);
 		return;
 	}
 	mailstream_send($a, $ms_item['message-id'], $item, $user);
@@ -142,7 +142,7 @@ function mailstream_post_hook(&$a, &$item) {
 function mailstream_get_user($uid) {
 	$r = q('SELECT * FROM `user` WHERE `uid` = %d', intval($uid));
 	if (count($r) != 1) {
-		Logger::log('mailstream_post_remote_hook: Unexpected number of users returned', LOGGER_INFO);
+		Logger::log('mailstream_post_remote_hook: Unexpected number of users returned', Logger::INFO);
 		return;
 	}
 	return $r[0];
@@ -299,11 +299,11 @@ function mailstream_send($a, $message_id, $item, $user) {
 		if (!$mail->Send()) {
 			throw new Exception($mail->ErrorInfo);
 		}
-		Logger::log('mailstream_send sent message ' . $mail->MessageID . ' ' . $mail->Subject, LOGGER_DEBUG);
+		Logger::log('mailstream_send sent message ' . $mail->MessageID . ' ' . $mail->Subject, Logger::DEBUG);
 	} catch (phpmailerException $e) {
-		Logger::log('mailstream_send PHPMailer exception sending message ' . $message_id . ': ' . $e->errorMessage(), LOGGER_INFO);
+		Logger::log('mailstream_send PHPMailer exception sending message ' . $message_id . ': ' . $e->errorMessage(), Logger::INFO);
 	} catch (Exception $e) {
-		Logger::log('mailstream_send exception sending message ' . $message_id . ': ' . $e->getMessage(), LOGGER_INFO);
+		Logger::log('mailstream_send exception sending message ' . $message_id . ': ' . $e->getMessage(), Logger::INFO);
 	}
 	// In case of failure, still set the item to completed.  Otherwise
 	// we'll just try to send it over and over again and it'll fail
@@ -332,10 +332,10 @@ function mailstream_cron($a, $b) {
 	// mailstream_post_remote_hook fails for some reason will this get
 	// used, and in that case it's worth holding off a bit anyway.
 	$ms_item_ids = q("SELECT `mailstream_item`.`message-id`, `mailstream_item`.`uri`, `item`.`id` FROM `mailstream_item` JOIN `item` ON (`mailstream_item`.`uid` = `item`.`uid` AND `mailstream_item`.`uri` = `item`.`uri` AND `mailstream_item`.`contact-id` = `item`.`contact-id`) WHERE `mailstream_item`.`completed` IS NULL AND `mailstream_item`.`created` < DATE_SUB(NOW(), INTERVAL 1 HOUR) AND `item`.`visible` = 1 ORDER BY `mailstream_item`.`created` LIMIT 100");
-	Logger::log('mailstream_cron processing ' . count($ms_item_ids) . ' items', LOGGER_DEBUG);
+	Logger::log('mailstream_cron processing ' . count($ms_item_ids) . ' items', Logger::DEBUG);
 	foreach ($ms_item_ids as $ms_item_id) {
 		if (!$ms_item_id['message-id'] || !strlen($ms_item_id['message-id'])) {
-			Logger::log('mailstream_cron: Item ' . $ms_item_id['id'] . ' URI ' . $ms_item_id['uri'] . ' has no message-id', LOGGER_INFO);
+			Logger::log('mailstream_cron: Item ' . $ms_item_id['id'] . ' URI ' . $ms_item_id['uri'] . ' has no message-id', Logger::INFO);
 		}
 		$item = Item::selectFirst([], ['id' => $ms_item_id['id']]);
 		$users = q("SELECT * FROM `user` WHERE `uid` = %d", intval($item['uid']));
@@ -344,7 +344,7 @@ function mailstream_cron($a, $b) {
 			mailstream_send($a, $ms_item_id['message-id'], $item, $user);
 		}
 		else {
-			Logger::log('mailstream_cron: Unable to find item ' . $ms_item_id['id'], LOGGER_INFO);
+			Logger::log('mailstream_cron: Unable to find item ' . $ms_item_id['id'], Logger::INFO);
 			q("UPDATE `mailstream_item` SET `completed` = now() WHERE `message-id` = %d", intval($ms_item['message-id']));
 		}
 	}
@@ -413,5 +413,5 @@ function mailstream_tidy() {
 	foreach ($r as $rr) {
 		q('DELETE FROM mailstream_item WHERE id = %d', intval($rr['id']));
 	}
-	Logger::log('mailstream_tidy: deleted ' . count($r) . ' old items', LOGGER_DEBUG);
+	Logger::log('mailstream_tidy: deleted ' . count($r) . ' old items', Logger::DEBUG);
 }
diff --git a/openstreetmap/openstreetmap.php b/openstreetmap/openstreetmap.php
index bdecb5ca..61838b38 100644
--- a/openstreetmap/openstreetmap.php
+++ b/openstreetmap/openstreetmap.php
@@ -166,8 +166,8 @@ function openstreetmap_generate_map(&$a, &$b)
 	$lat = $b['lat']; // round($b['lat'], 5);
 	$lon = $b['lon']; // round($b['lon'], 5);
 
-	Logger::log('lat: ' . $lat, LOGGER_DATA);
-	Logger::log('lon: ' . $lon, LOGGER_DATA);
+	Logger::log('lat: ' . $lat, Logger::DATA);
+	Logger::log('lon: ' . $lon, Logger::DATA);
 
 	$cardlink = '<a href="' . $tmsserver;
 
@@ -185,7 +185,7 @@ function openstreetmap_generate_map(&$a, &$b)
 		$b['html'] .= '<br/>' . $cardlink;
 	}
 
-	Logger::log('generate_map: ' . $b['html'], LOGGER_DATA);
+	Logger::log('generate_map: ' . $b['html'], Logger::DATA);
 }
 
 function openstreetmap_addon_admin(&$a, &$o)
diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index a4864a55..0b7b7fac 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -115,7 +115,7 @@ function pumpio_registerclient(App $a, $host)
 	$params["logo_url"] = $a->getBaseURL()."/images/friendica-256.png";
 	$params["redirect_uris"] = $a->getBaseURL()."/pumpio/connect";
 
-	Logger::log("pumpio_registerclient: ".$url." parameters ".print_r($params, true), LOGGER_DEBUG);
+	Logger::log("pumpio_registerclient: ".$url." parameters ".print_r($params, true), Logger::DEBUG);
 
 	$ch = curl_init($url);
 	curl_setopt($ch, CURLOPT_HEADER, false);
@@ -129,10 +129,10 @@ function pumpio_registerclient(App $a, $host)
 
 	if ($curl_info["http_code"] == "200") {
 		$values = json_decode($s);
-		Logger::log("pumpio_registerclient: success ".print_r($values, true), LOGGER_DEBUG);
+		Logger::log("pumpio_registerclient: success ".print_r($values, true), Logger::DEBUG);
 		return $values;
 	}
-	Logger::log("pumpio_registerclient: failed: ".print_r($curl_info, true), LOGGER_DEBUG);
+	Logger::log("pumpio_registerclient: failed: ".print_r($curl_info, true), Logger::DEBUG);
 	return false;
 
 }
@@ -153,7 +153,7 @@ function pumpio_connect(App $a)
 		$consumer_key = PConfig::get(local_user(), 'pumpio', 'consumer_key');
 		$consumer_secret = PConfig::get(local_user(), 'pumpio', 'consumer_secret');
 
-		Logger::log("pumpio_connect: ckey: ".$consumer_key." csecrect: ".$consumer_secret, LOGGER_DEBUG);
+		Logger::log("pumpio_connect: ckey: ".$consumer_key." csecrect: ".$consumer_secret, Logger::DEBUG);
 	}
 
 	if (($consumer_key == "") || ($consumer_secret == "")) {
@@ -187,7 +187,7 @@ function pumpio_connect(App $a)
 	if (($success = $client->Initialize())) {
 		if (($success = $client->Process())) {
 			if (strlen($client->access_token)) {
-				Logger::log("pumpio_connect: otoken: ".$client->access_token." osecrect: ".$client->access_token_secret, LOGGER_DEBUG);
+				Logger::log("pumpio_connect: otoken: ".$client->access_token." osecrect: ".$client->access_token_secret, Logger::DEBUG);
 				PConfig::set(local_user(), "pumpio", "oauth_token", $client->access_token);
 				PConfig::set(local_user(), "pumpio", "oauth_token_secret", $client->access_token_secret);
 			}
@@ -410,7 +410,7 @@ function pumpio_send(App $a, array &$b)
 		return;
 	}
 
-	Logger::log("pumpio_send: parameter ".print_r($b, true), LOGGER_DATA);
+	Logger::log("pumpio_send: parameter ".print_r($b, true), Logger::DATA);
 
 	if ($b['parent'] != $b['id']) {
 		// Looking if its a reply to a pumpio post
@@ -908,7 +908,7 @@ function pumpio_dolike(App $a, $uid, $self, $post, $own_id, $threadcompletion =
 	require_once('include/items.php');
 
 	if (empty($post->object->id)) {
-		Logger::log('Got empty like: '.print_r($post, true), LOGGER_DEBUG);
+		Logger::log('Got empty like: '.print_r($post, true), Logger::DEBUG);
 		return;
 	}
 
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 81cf7f35..0d64ccee 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -430,7 +430,7 @@ function statusnet_action(App $a, $uid, $pid, $action)
 
 	$connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 
-	Logger::log("statusnet_action '" . $action . "' ID: " . $pid, LOGGER_DATA);
+	Logger::log("statusnet_action '" . $action . "' ID: " . $pid, Logger::DATA);
 
 	switch ($action) {
 		case "delete":
@@ -443,7 +443,7 @@ function statusnet_action(App $a, $uid, $pid, $action)
 			$result = $connection->post("favorites/destroy/" . $pid);
 			break;
 	}
-	Logger::log("statusnet_action '" . $action . "' send, result: " . print_r($result, true), LOGGER_DEBUG);
+	Logger::log("statusnet_action '" . $action . "' send, result: " . print_r($result, true), Logger::DEBUG);
 }
 
 function statusnet_post_hook(App $a, &$b)
@@ -460,7 +460,7 @@ function statusnet_post_hook(App $a, &$b)
 	$hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
 
 	if ($b['parent'] != $b['id']) {
-		Logger::log("statusnet_post_hook: parameter " . print_r($b, true), LOGGER_DATA);
+		Logger::log("statusnet_post_hook: parameter " . print_r($b, true), Logger::DATA);
 
 		// Looking if its a reply to a GNU Social post
 		$hostlength = strlen($hostname) + 2;
@@ -483,12 +483,12 @@ function statusnet_post_hook(App $a, &$b)
 		$nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 		$nicknameplain = "@" . $nick;
 
-		Logger::log("statusnet_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], LOGGER_DEBUG);
+		Logger::log("statusnet_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], Logger::DEBUG);
 		if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false)) {
 			$b["body"] = $nickname . " " . $b["body"];
 		}
 
-		Logger::log("statusnet_post_hook: parent found " . print_r($orig_post, true), LOGGER_DEBUG);
+		Logger::log("statusnet_post_hook: parent found " . print_r($orig_post, true), Logger::DEBUG);
 	} else {
 		$iscomment = false;
 
@@ -509,7 +509,7 @@ function statusnet_post_hook(App $a, &$b)
 	}
 
 	if ($b['verb'] == ACTIVITY_LIKE) {
-		Logger::log("statusnet_post_hook: parameter 2 " . substr($b["thr-parent"], $hostlength), LOGGER_DEBUG);
+		Logger::log("statusnet_post_hook: parameter 2 " . substr($b["thr-parent"], $hostlength), Logger::DEBUG);
 		if ($b['deleted'])
 			statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "unlike");
 		else
@@ -579,7 +579,7 @@ function statusnet_post_hook(App $a, &$b)
 		if (strlen($msg)) {
 			if ($iscomment) {
 				$postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
-				Logger::log('statusnet_post send reply ' . print_r($postdata, true), LOGGER_DEBUG);
+				Logger::log('statusnet_post send reply ' . print_r($postdata, true), Logger::DEBUG);
 			}
 
 			// New code that is able to post pictures
@@ -591,7 +591,7 @@ function statusnet_post_hook(App $a, &$b)
 			$result = $cb->statuses_update($postdata);
 			//$result = $dent->post('statuses/update', $postdata);
 			Logger::log('statusnet_post send, result: ' . print_r($result, true) .
-				"\nmessage: " . $msg . "\nOriginal post: " . print_r($b, true) . "\nPost Data: " . print_r($postdata, true), LOGGER_DEBUG);
+				"\nmessage: " . $msg . "\nOriginal post: " . print_r($b, true) . "\nPost Data: " . print_r($postdata, true), Logger::DEBUG);
 
 			if (!empty($result->source)) {
 				PConfig::set($b["uid"], "statusnet", "application_name", strip_tags($result->source));
@@ -913,7 +913,7 @@ function statusnet_fetch_contact($uid, $contact, $create_user)
 	}
 
 	if (DBA::isResult($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
-		Logger::log("statusnet_fetch_contact: Contact '" . $r[0]["nick"] . "' is blocked or readonly.", LOGGER_DEBUG);
+		Logger::log("statusnet_fetch_contact: Contact '" . $r[0]["nick"] . "' is blocked or readonly.", Logger::DEBUG);
 		return -1;
 	}
 
@@ -975,7 +975,7 @@ function statusnet_fetch_contact($uid, $contact, $create_user)
 
 		// check that we have all the photos, this has been known to fail on occasion
 		if ((!$r[0]['photo']) || (!$r[0]['thumb']) || (!$r[0]['micro']) || ($update_photo)) {
-			Logger::log("statusnet_fetch_contact: Updating contact " . $contact->screen_name, LOGGER_DEBUG);
+			Logger::log("statusnet_fetch_contact: Updating contact " . $contact->screen_name, Logger::DEBUG);
 
 			$photos = Photo::importProfilePhoto($contact->profile_image_url, $uid, $r[0]['id']);
 
@@ -1061,7 +1061,7 @@ function statusnet_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
 
 function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_existing_contact)
 {
-	Logger::log("statusnet_createpost: start", LOGGER_DEBUG);
+	Logger::log("statusnet_createpost: start", Logger::DEBUG);
 
 	$api = PConfig::get($uid, 'statusnet', 'baseapi');
 	$hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
@@ -1188,7 +1188,7 @@ function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_ex
 		$postarray["coord"] = $content->coordinates->coordinates[1] . " " . $content->coordinates->coordinates[0];
 	}
 
-	Logger::log("statusnet_createpost: end", LOGGER_DEBUG);
+	Logger::log("statusnet_createpost: end", Logger::DEBUG);
 
 	return $postarray;
 }
@@ -1207,7 +1207,7 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 	// "create_user" is deactivated, since currently you cannot add users manually by now
 	$create_user = true;
 
-	Logger::log("statusnet_fetchhometimeline: Fetching for user " . $uid, LOGGER_DEBUG);
+	Logger::log("statusnet_fetchhometimeline: Fetching for user " . $uid, Logger::DEBUG);
 
 	require_once 'include/items.php';
 
@@ -1222,7 +1222,7 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 	if (DBA::isResult($r)) {
 		$nick = $r[0]["nick"];
 	} else {
-		Logger::log("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, LOGGER_DEBUG);
+		Logger::log("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, Logger::DEBUG);
 		return;
 	}
 
@@ -1232,14 +1232,14 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 	if (DBA::isResult($r)) {
 		$self = $r[0];
 	} else {
-		Logger::log("statusnet_fetchhometimeline: Own contact not found for user " . $uid, LOGGER_DEBUG);
+		Logger::log("statusnet_fetchhometimeline: Own contact not found for user " . $uid, Logger::DEBUG);
 		return;
 	}
 
 	$u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
 		intval($uid));
 	if (!DBA::isResult($u)) {
-		Logger::log("statusnet_fetchhometimeline: Own user not found for user " . $uid, LOGGER_DEBUG);
+		Logger::log("statusnet_fetchhometimeline: Own user not found for user " . $uid, Logger::DEBUG);
 		return;
 	}
 
@@ -1270,13 +1270,13 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 				$errormsg = "Unknown error";
 			}
 
-			Logger::log("statusnet_fetchhometimeline: Error fetching home timeline: " . $errormsg, LOGGER_DEBUG);
+			Logger::log("statusnet_fetchhometimeline: Error fetching home timeline: " . $errormsg, Logger::DEBUG);
 			return;
 		}
 
 		$posts = array_reverse($items);
 
-		Logger::log("statusnet_fetchhometimeline: Fetching timeline for user " . $uid . " " . sizeof($posts) . " items", LOGGER_DEBUG);
+		Logger::log("statusnet_fetchhometimeline: Fetching timeline for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
 
 		if (count($posts)) {
 			foreach ($posts as $post) {
@@ -1322,13 +1322,13 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 	$items = $connection->get('statuses/mentions_timeline', $parameters);
 
 	if (!is_array($items)) {
-		Logger::log("statusnet_fetchhometimeline: Error fetching mentions: " . print_r($items, true), LOGGER_DEBUG);
+		Logger::log("statusnet_fetchhometimeline: Error fetching mentions: " . print_r($items, true), Logger::DEBUG);
 		return;
 	}
 
 	$posts = array_reverse($items);
 
-	Logger::log("statusnet_fetchhometimeline: Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", LOGGER_DEBUG);
+	Logger::log("statusnet_fetchhometimeline: Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
 
 	if (count($posts)) {
 		foreach ($posts as $post) {
@@ -1412,15 +1412,15 @@ function statusnet_convertmsg(App $a, $body, $no_tags = false)
 		foreach ($matches AS $match) {
 			$search = "[url=" . $match[1] . "]" . $match[2] . "[/url]";
 
-			Logger::log("statusnet_convertmsg: expanding url " . $match[1], LOGGER_DEBUG);
+			Logger::log("statusnet_convertmsg: expanding url " . $match[1], Logger::DEBUG);
 
 			$expanded_url = Network::finalUrl($match[1]);
 
-			Logger::log("statusnet_convertmsg: fetching data for " . $expanded_url, LOGGER_DEBUG);
+			Logger::log("statusnet_convertmsg: fetching data for " . $expanded_url, Logger::DEBUG);
 
 			$oembed_data = OEmbed::fetchURL($expanded_url, true);
 
-			Logger::log("statusnet_convertmsg: fetching data: done", LOGGER_DEBUG);
+			Logger::log("statusnet_convertmsg: fetching data: done", Logger::DEBUG);
 
 			if ($type == "") {
 				$type = $oembed_data->type;
@@ -1582,13 +1582,13 @@ function statusnet_is_retweet(App $a, $uid, $body)
 		return false;
 	}
 
-	Logger::log('statusnet_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, LOGGER_DEBUG);
+	Logger::log('statusnet_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, Logger::DEBUG);
 
 	$connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 
 	$result = $connection->post('statuses/retweet/' . $id);
 
-	Logger::log('statusnet_is_retweet: result ' . print_r($result, true), LOGGER_DEBUG);
+	Logger::log('statusnet_is_retweet: result ' . print_r($result, true), Logger::DEBUG);
 
 	return isset($result->id);
 }
diff --git a/twitter/twitter.php b/twitter/twitter.php
index 2a04da9f..77a3a265 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -155,7 +155,7 @@ function twitter_check_item_notification(App $a, array &$notification_data)
 
 function twitter_follow(App $a, array &$contact)
 {
-	Logger::log("twitter_follow: Check if contact is twitter contact. " . $contact["url"], LOGGER_DEBUG);
+	Logger::log("twitter_follow: Check if contact is twitter contact. " . $contact["url"], Logger::DEBUG);
 
 	if (!strstr($contact["url"], "://twitter.com") && !strstr($contact["url"], "@twitter.com")) {
 		return;
@@ -428,7 +428,7 @@ function twitter_action(App $a, $uid, $pid, $action)
 
 	$post = ['id' => $pid];
 
-	Logger::log("twitter_action '" . $action . "' ID: " . $pid . " data: " . print_r($post, true), LOGGER_DATA);
+	Logger::log("twitter_action '" . $action . "' ID: " . $pid . " data: " . print_r($post, true), Logger::DATA);
 
 	switch ($action) {
 		case "delete":
@@ -442,10 +442,10 @@ function twitter_action(App $a, $uid, $pid, $action)
 			$result = $connection->post('favorites/destroy', $post);
 			break;
 		default:
-			Logger::log('Unhandled action ' . $action, LOGGER_DEBUG);
+			Logger::log('Unhandled action ' . $action, Logger::DEBUG);
 			$result = [];
 	}
-	Logger::log("twitter_action '" . $action . "' send, result: " . print_r($result, true), LOGGER_DEBUG);
+	Logger::log("twitter_action '" . $action . "' send, result: " . print_r($result, true), Logger::DEBUG);
 }
 
 function twitter_post_hook(App $a, array &$b)
@@ -457,7 +457,7 @@ function twitter_post_hook(App $a, array &$b)
 	}
 
 	if ($b['parent'] != $b['id']) {
-		Logger::log("twitter_post_hook: parameter " . print_r($b, true), LOGGER_DATA);
+		Logger::log("twitter_post_hook: parameter " . print_r($b, true), Logger::DATA);
 
 		// Looking if its a reply to a twitter post
 		if ((substr($b["parent-uri"], 0, 9) != "twitter::")
@@ -482,12 +482,12 @@ function twitter_post_hook(App $a, array &$b)
 		$nickname = "@[url=" . $orig_post["author-link"] . "]" . $nicknameplain . "[/url]";
 		$nicknameplain = "@" . $nicknameplain;
 
-		Logger::log("twitter_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], LOGGER_DEBUG);
+		Logger::log("twitter_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], Logger::DEBUG);
 		if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false)) {
 			$b["body"] = $nickname . " " . $b["body"];
 		}
 
-		Logger::log("twitter_post_hook: parent found " . print_r($orig_post, true), LOGGER_DATA);
+		Logger::log("twitter_post_hook: parent found " . print_r($orig_post, true), Logger::DATA);
 	} else {
 		$iscomment = false;
 
@@ -508,7 +508,7 @@ function twitter_post_hook(App $a, array &$b)
 	}
 
 	if ($b['verb'] == ACTIVITY_LIKE) {
-		Logger::log("twitter_post_hook: parameter 2 " . substr($b["thr-parent"], 9), LOGGER_DEBUG);
+		Logger::log("twitter_post_hook: parameter 2 " . substr($b["thr-parent"], 9), Logger::DEBUG);
 		if ($b['deleted']) {
 			twitter_action($a, $b["uid"], substr($b["thr-parent"], 9), "unlike");
 		} else {
@@ -541,7 +541,7 @@ function twitter_post_hook(App $a, array &$b)
 	$osecret = PConfig::get($b['uid'], 'twitter', 'oauthsecret');
 
 	if ($ckey && $csecret && $otoken && $osecret) {
-		Logger::log('twitter: we have customer key and oauth stuff, going to send.', LOGGER_DEBUG);
+		Logger::log('twitter: we have customer key and oauth stuff, going to send.', Logger::DEBUG);
 
 		// If it's a repeated message from twitter then do a native retweet and exit
 		if (twitter_is_retweet($a, $b['uid'], $b['body'])) {
@@ -629,7 +629,7 @@ function twitter_post_hook(App $a, array &$b)
 
 		$url = 'statuses/update';
 		$result = $connection->post($url, $post);
-		Logger::log('twitter_post send, result: ' . print_r($result, true), LOGGER_DEBUG);
+		Logger::log('twitter_post send, result: ' . print_r($result, true), Logger::DEBUG);
 
 		if (!empty($result->source)) {
 			Config::set("twitter", "application_name", strip_tags($result->source));
@@ -909,13 +909,13 @@ function twitter_fetchtimeline(App $a, $uid)
 	}
 
 	if (!is_array($items)) {
-		Logger::log('No items for user ' . $uid, LOGGER_INFO);
+		Logger::log('No items for user ' . $uid, Logger::INFO);
 		return;
 	}
 
 	$posts = array_reverse($items);
 
-	Logger::log('Starting from ID ' . $lastid . ' for user ' . $uid, LOGGER_DEBUG);
+	Logger::log('Starting from ID ' . $lastid . ' for user ' . $uid, Logger::DEBUG);
 
 	if (count($posts)) {
 		foreach ($posts as $post) {
@@ -932,7 +932,7 @@ function twitter_fetchtimeline(App $a, $uid)
 				$_SESSION["authenticated"] = true;
 				$_SESSION["uid"] = $uid;
 
-				Logger::log('Preparing Twitter ID ' . $post->id_str . ' for user ' . $uid, LOGGER_DEBUG);
+				Logger::log('Preparing Twitter ID ' . $post->id_str . ' for user ' . $uid, Logger::DEBUG);
 
 				$_REQUEST = twitter_do_mirrorpost($a, $uid, $post);
 
@@ -947,7 +947,7 @@ function twitter_fetchtimeline(App $a, $uid)
 		}
 	}
 	PConfig::set($uid, 'twitter', 'lastid', $lastid);
-	Logger::log('Last ID for user ' . $uid . ' is now ' . $lastid, LOGGER_DEBUG);
+	Logger::log('Last ID for user ' . $uid . ' is now ' . $lastid, Logger::DEBUG);
 }
 
 function twitter_queue_hook(App $a)
@@ -991,7 +991,7 @@ function twitter_queue_hook(App $a)
 			$connection = new TwitterOAuth($ckey, $csecret, $otoken, $osecret);
 			$result = $connection->post($z['url'], $z['post']);
 
-			Logger::log('twitter_queue: post result: ' . print_r($result, true), LOGGER_DEBUG);
+			Logger::log('twitter_queue: post result: ' . print_r($result, true), Logger::DEBUG);
 
 			if ($result->errors) {
 				Logger::log('twitter_queue: Send to Twitter failed: "' . print_r($result->errors, true) . '"');
@@ -1078,7 +1078,7 @@ function twitter_fetch_contact($uid, $data, $create_user)
 		Contact::updateAvatar($avatar, $uid, $contact_id);
 	} else {
 		if ($contact["readonly"] || $contact["blocked"]) {
-			Logger::log("twitter_fetch_contact: Contact '" . $contact["nick"] . "' is blocked or readonly.", LOGGER_DEBUG);
+			Logger::log("twitter_fetch_contact: Contact '" . $contact["nick"] . "' is blocked or readonly.", Logger::DEBUG);
 			return -1;
 		}
 
@@ -1089,7 +1089,7 @@ function twitter_fetch_contact($uid, $data, $create_user)
 
 		// check that we have all the photos, this has been known to fail on occasion
 		if (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']) || $update_photo) {
-			Logger::log("twitter_fetch_contact: Updating contact " . $data->screen_name, LOGGER_DEBUG);
+			Logger::log("twitter_fetch_contact: Updating contact " . $data->screen_name, Logger::DEBUG);
 
 			Contact::updateAvatar($avatar, $uid, $contact['id']);
 
@@ -1388,7 +1388,7 @@ function twitter_createpost(App $a, $uid, $post, array $self, $create_user, $onl
 
 	// Don't import our own comments
 	if (Item::exists(['extid' => $postarray['uri'], 'uid' => $uid])) {
-		Logger::log("Item with extid " . $postarray['uri'] . " found.", LOGGER_DEBUG);
+		Logger::log("Item with extid " . $postarray['uri'] . " found.", Logger::DEBUG);
 		return [];
 	}
 
@@ -1428,7 +1428,7 @@ function twitter_createpost(App $a, $uid, $post, array $self, $create_user, $onl
 				$postarray['owner-link']   = $r[0]["url"];
 				$postarray['owner-avatar'] = $r[0]["photo"];
 			} else {
-				Logger::log("No self contact for user " . $uid, LOGGER_DEBUG);
+				Logger::log("No self contact for user " . $uid, Logger::DEBUG);
 				return [];
 			}
 		}
@@ -1450,7 +1450,7 @@ function twitter_createpost(App $a, $uid, $post, array $self, $create_user, $onl
 	if (($contactid == 0) && !$only_existing_contact) {
 		$contactid = $self['id'];
 	} elseif ($contactid <= 0) {
-		Logger::log("Contact ID is zero or less than zero.", LOGGER_DEBUG);
+		Logger::log("Contact ID is zero or less than zero.", Logger::DEBUG);
 		return [];
 	}
 
@@ -1547,7 +1547,7 @@ function twitter_createpost(App $a, $uid, $post, array $self, $create_user, $onl
 
 function twitter_fetchparentposts(App $a, $uid, $post, TwitterOAuth $connection, array $self)
 {
-	Logger::log("twitter_fetchparentposts: Fetching for user " . $uid . " and post " . $post->id_str, LOGGER_DEBUG);
+	Logger::log("twitter_fetchparentposts: Fetching for user " . $uid . " and post " . $post->id_str, Logger::DEBUG);
 
 	$posts = [];
 
@@ -1562,12 +1562,12 @@ function twitter_fetchparentposts(App $a, $uid, $post, TwitterOAuth $connection,
 		}
 
 		if (empty($post)) {
-			Logger::log("twitter_fetchparentposts: Can't fetch post " . $parameters->id, LOGGER_DEBUG);
+			Logger::log("twitter_fetchparentposts: Can't fetch post " . $parameters->id, Logger::DEBUG);
 			break;
 		}
 
 		if (empty($post->id_str)) {
-			Logger::log("twitter_fetchparentposts: This is not a post " . json_encode($post), LOGGER_DEBUG);
+			Logger::log("twitter_fetchparentposts: This is not a post " . json_encode($post), Logger::DEBUG);
 			break;
 		}
 
@@ -1578,7 +1578,7 @@ function twitter_fetchparentposts(App $a, $uid, $post, TwitterOAuth $connection,
 		$posts[] = $post;
 	}
 
-	Logger::log("twitter_fetchparentposts: Fetching " . count($posts) . " parents", LOGGER_DEBUG);
+	Logger::log("twitter_fetchparentposts: Fetching " . count($posts) . " parents", Logger::DEBUG);
 
 	$posts = array_reverse($posts);
 
@@ -1608,7 +1608,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 	$create_user = PConfig::get($uid, 'twitter', 'create_user');
 	$mirror_posts = PConfig::get($uid, 'twitter', 'mirror_posts');
 
-	Logger::log("Fetching timeline for user " . $uid, LOGGER_DEBUG);
+	Logger::log("Fetching timeline for user " . $uid, Logger::DEBUG);
 
 	$application_name = Config::get('twitter', 'application_name');
 
@@ -1668,13 +1668,13 @@ function twitter_fetchhometimeline(App $a, $uid)
 	}
 
 	if (empty($items)) {
-		Logger::log('No new timeline content for user ' . $uid, LOGGER_INFO);
+		Logger::log('No new timeline content for user ' . $uid, Logger::INFO);
 		return;
 	}
 
 	$posts = array_reverse($items);
 
-	Logger::log('Fetching timeline from ID ' . $lastid . ' for user ' . $uid . ' ' . sizeof($posts) . ' items', LOGGER_DEBUG);
+	Logger::log('Fetching timeline from ID ' . $lastid . ' for user ' . $uid . ' ' . sizeof($posts) . ' items', Logger::DEBUG);
 
 	if (count($posts)) {
 		foreach ($posts as $post) {
@@ -1688,12 +1688,12 @@ function twitter_fetchhometimeline(App $a, $uid)
 			}
 
 			if (stristr($post->source, $application_name) && $post->user->screen_name == $own_id) {
-				Logger::log("Skip previously sent post", LOGGER_DEBUG);
+				Logger::log("Skip previously sent post", Logger::DEBUG);
 				continue;
 			}
 
 			if ($mirror_posts && $post->user->screen_name == $own_id && $post->in_reply_to_status_id_str == "") {
-				Logger::log("Skip post that will be mirrored", LOGGER_DEBUG);
+				Logger::log("Skip post that will be mirrored", Logger::DEBUG);
 				continue;
 			}
 
@@ -1701,12 +1701,12 @@ function twitter_fetchhometimeline(App $a, $uid)
 				twitter_fetchparentposts($a, $uid, $post, $connection, $self);
 			}
 
-			Logger::log('Preparing post ' . $post->id_str . ' for user ' . $uid, LOGGER_DEBUG);
+			Logger::log('Preparing post ' . $post->id_str . ' for user ' . $uid, Logger::DEBUG);
 
 			$postarray = twitter_createpost($a, $uid, $post, $self, $create_user, true, false);
 
 			if (empty($postarray['body']) || trim($postarray['body']) == "") {
-				Logger::log('Empty body for post ' . $post->id_str . ' and user ' . $uid, LOGGER_DEBUG);
+				Logger::log('Empty body for post ' . $post->id_str . ' and user ' . $uid, Logger::DEBUG);
 				continue;
 			}
 
@@ -1727,7 +1727,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 	}
 	PConfig::set($uid, 'twitter', 'lasthometimelineid', $lastid);
 
-	Logger::log('Last timeline ID for user ' . $uid . ' is now ' . $lastid, LOGGER_DEBUG);
+	Logger::log('Last timeline ID for user ' . $uid . ' is now ' . $lastid, Logger::DEBUG);
 
 	// Fetching mentions
 	$lastid = PConfig::get($uid, 'twitter', 'lastmentionid');
@@ -1746,13 +1746,13 @@ function twitter_fetchhometimeline(App $a, $uid)
 	}
 
 	if (!is_array($items)) {
-		Logger::log("Error fetching mentions: " . print_r($items, true), LOGGER_DEBUG);
+		Logger::log("Error fetching mentions: " . print_r($items, true), Logger::DEBUG);
 		return;
 	}
 
 	$posts = array_reverse($items);
 
-	Logger::log("Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", LOGGER_DEBUG);
+	Logger::log("Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
 
 	if (count($posts)) {
 		foreach ($posts as $post) {
@@ -1782,7 +1782,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 
 	PConfig::set($uid, 'twitter', 'lastmentionid', $lastid);
 
-	Logger::log('Last mentions ID for user ' . $uid . ' is now ' . $lastid, LOGGER_DEBUG);
+	Logger::log('Last mentions ID for user ' . $uid . ' is now ' . $lastid, Logger::DEBUG);
 }
 
 function twitter_fetch_own_contact(App $a, $uid)
@@ -1857,7 +1857,7 @@ function twitter_is_retweet(App $a, $uid, $body)
 		return false;
 	}
 
-	Logger::log('twitter_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, LOGGER_DEBUG);
+	Logger::log('twitter_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, Logger::DEBUG);
 
 	$ckey    = Config::get('twitter', 'consumerkey');
 	$csecret = Config::get('twitter', 'consumersecret');
@@ -1867,7 +1867,7 @@ function twitter_is_retweet(App $a, $uid, $body)
 	$connection = new TwitterOAuth($ckey, $csecret, $otoken, $osecret);
 	$result = $connection->post('statuses/retweet/' . $id);
 
-	Logger::log('twitter_is_retweet: result ' . print_r($result, true), LOGGER_DEBUG);
+	Logger::log('twitter_is_retweet: result ' . print_r($result, true), Logger::DEBUG);
 
 	return !isset($result->errors);
 }
diff --git a/windowsphonepush/windowsphonepush.php b/windowsphonepush/windowsphonepush.php
index b6e455fb..5ae0c3f3 100644
--- a/windowsphonepush/windowsphonepush.php
+++ b/windowsphonepush/windowsphonepush.php
@@ -456,7 +456,7 @@ function windowsphonepush_updatecounterunseen()
 function windowsphonepush_login(App $a)
 {
 	if (!isset($_SERVER['PHP_AUTH_USER'])) {
-		Logger::log('API_login: ' . print_r($_SERVER, true), LOGGER_DEBUG);
+		Logger::log('API_login: ' . print_r($_SERVER, true), Logger::DEBUG);
 		header('WWW-Authenticate: Basic realm="Friendica"');
 		header('HTTP/1.0 401 Unauthorized');
 		die('This api requires login');
@@ -467,7 +467,7 @@ function windowsphonepush_login(App $a)
 	if ($user_id) {
 		$record = DBA::selectFirst('user', [], ['uid' => $user_id]);
 	} else {
-		Logger::log('API_login failure: ' . print_r($_SERVER, true), LOGGER_DEBUG);
+		Logger::log('API_login failure: ' . print_r($_SERVER, true), Logger::DEBUG);
 		header('WWW-Authenticate: Basic realm="Friendica"');
 		header('HTTP/1.0 401 Unauthorized');
 		die('This api requires login');
diff --git a/wppost/wppost.php b/wppost/wppost.php
index dbad6f97..107d8c0c 100644
--- a/wppost/wppost.php
+++ b/wppost/wppost.php
@@ -313,11 +313,11 @@ function wppost_send(&$a,&$b) {
 
 EOT;
 
-		Logger::log('wppost: data: ' . $xml, LOGGER_DATA);
+		Logger::log('wppost: data: ' . $xml, Logger::DATA);
 
 		if ($wp_blog !== 'test') {
 			$x = Network::post($wp_blog, $xml)->getBody();
 		}
-		Logger::log('posted to wordpress: ' . (($x) ? $x : ''), LOGGER_DEBUG);
+		Logger::log('posted to wordpress: ' . (($x) ? $x : ''), Logger::DEBUG);
 	}
 }