diff --git a/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php b/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
index 1f637e17..f98e67d4 100644
--- a/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
+++ b/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
@@ -796,6 +796,13 @@ final class CoreLibsLoggingLoggingTest extends TestCase
 		);
 	}
 
+	// must test flow:
+	// init normal
+	// log -> check file name
+	// set per date
+	// log -> check file name
+	// and same for per_run
+
 	// deprecated calls check?
 }
 
diff --git a/www/admin/class_test.logging.php b/www/admin/class_test.logging.php
index ac605abf..cfb22029 100644
--- a/www/admin/class_test.logging.php
+++ b/www/admin/class_test.logging.php
@@ -76,7 +76,12 @@ with
 and > and <
 EOM));
 $log->info('Info message', ['info' => 'log']);
+$log->notice('Notice message', ['notice' => 'log']);
+$log->warning('Warning message', ['warning' => 'log']);
 $log->error('Cannot process data', ['error' => 'log']);
+$log->critical('Critical message', ['critical' => 'log']);
+$log->alert('Alert message', ['Alert' => 'log']);
+$log->emergency('Emergency message', ['Emergency' => 'log']);
 print "Log File: " . $log->getLogFile() . "<br>";
 
 $log->setLogFlag(Flag::per_run);
diff --git a/www/lib/CoreLibs/Logging/Logging.php b/www/lib/CoreLibs/Logging/Logging.php
index 44e4d3b6..ad9feed8 100644
--- a/www/lib/CoreLibs/Logging/Logging.php
+++ b/www/lib/CoreLibs/Logging/Logging.php
@@ -528,7 +528,7 @@ class Logging
 	 * Prepare the log message with all needed info blocks:
 	 * [timestamp] [host name] [file path + file] [running uid] {class} <debug level/group id> - message
 	 *
-	 * @param  string  $level_str    Log level we will write to
+	 * @param  Level $level    Log level we will write to
 	 * @param  string|Stringable $message  The message to write
 	 * @param  mixed[] $context Any additional info we want to attach in any format
 	 * @param  string $group_id A group id, only used in DEBUG level,
@@ -536,11 +536,15 @@ class Logging
 	 * @return string
 	 */
 	private function prepareLog(
-		string $level_str,
+		Level $level,
 		string|\Stringable $message,
 		array $context = [],
 		string $group_id = '',
 	): string {
+		// only prepare if to write log level is in set log level
+		if (!$this->checkLogLevel($level)) {
+			return '';
+		}
 		// file + line: call not this but one before (the one that calls this)
 		$file_line = Support::getCallerFileLine(2) ??
 			System::getPageName(System::FULL_PATH);
@@ -555,7 +559,7 @@ class Logging
 		$timestamp = Support::printTime();
 
 		// if group id is empty replace it with current level
-		$group_str = $level_str;
+		$group_str = $level->getName();
 		if (!empty($group_id)) {
 			$group_str .= ':' . $group_id;
 		}
@@ -927,9 +931,9 @@ class Logging
 		array $context = []
 	): bool {
 		return $this->writeErrorMsg(
-			$this->log_level,
+			Level::Debug,
 			$this->prepareLog(
-				Level::Debug->getName(),
+				Level::Debug,
 				$prefix . $message,
 				$context,
 				$group_id
@@ -950,7 +954,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Info,
 			$this->prepareLog(
-				Level::Info->getName(),
+				Level::Info,
 				$message,
 				$context,
 			)
@@ -969,7 +973,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Notice,
 			$this->prepareLog(
-				Level::Notice->getName(),
+				Level::Notice,
 				$message,
 				$context,
 			)
@@ -988,7 +992,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Warning,
 			$this->prepareLog(
-				Level::Warning->getName(),
+				Level::Warning,
 				$message,
 				$context,
 			)
@@ -1007,7 +1011,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Error,
 			$this->prepareLog(
-				Level::Error->getName(),
+				Level::Error,
 				$message,
 				$context,
 			)
@@ -1026,7 +1030,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Critical,
 			$this->prepareLog(
-				Level::Critical->getName(),
+				Level::Critical,
 				$message,
 				$context,
 			)
@@ -1045,7 +1049,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Alert,
 			$this->prepareLog(
-				Level::Alert->getName(),
+				Level::Alert,
 				$message,
 				$context,
 			)
@@ -1064,7 +1068,7 @@ class Logging
 		return $this->writeErrorMsg(
 			Level::Emergency,
 			$this->prepareLog(
-				Level::Emergency->getName(),
+				Level::Emergency,
 				$message,
 				$context,
 			)