installed plugin WP-Matomo Integration version 1.0.27

wp-content/plugins/wp-piwik/classes/WP_Piwik/Logger/Dummy.php

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+<?php
+
+	namespace WP_Piwik\Logger;
+	
+	class Dummy extends \WP_Piwik\Logger {
+
+		public function loggerOutput($loggerTime, $loggerMessage) {}
+		
+    }

wp-content/plugins/wp-piwik/classes/WP_Piwik/Logger/File.php

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+<?php
+	
+	namespace WP_Piwik\Logger;
+	
+	class File extends \WP_Piwik\Logger {
+	
+		private $loggerFile = null;
+	
+		private function encodeFilename($fileName) {
+			$fileName = str_replace (' ', '_', $fileName);
+			preg_replace('/[^0-9^a-z^_^.]/', '', $fileName);
+			return $fileName;
+		}
+		
+		private function setFilename() {
+			$this->loggerFile = WP_PIWIK_PATH.'logs'.DIRECTORY_SEPARATOR.
+				date('Ymd').'_'.$this->encodeFilename($this->getName()).'.log';
+		}
+		
+		private function getFilename() {
+			return $this->loggerFile;
+		}
+		
+		private function openFile() {
+			if (!$this->loggerFile)
+				$this->setFilename();
+			return fopen($this->getFilename(), 'a');			
+		}
+		
+		private function closeFile($fileHandle) {
+			fclose($fileHandle);
+		}
+		
+		private function writeFile($fileHandle, $fileContent) {
+			fwrite($fileHandle, $fileContent."\n");
+		}
+		
+		private function formatMicrotime($loggerTime) {
+			return sprintf('[%6s sec]',number_format($loggerTime,3));
+		}
+		
+		public function loggerOutput($loggerTime, $loggerMessage) {
+			if ($fileHandle = $this->openFile()) {
+				$this->writeFile($fileHandle, $this->formatMicrotime($loggerTime).' '.$loggerMessage);
+				$this->closeFile($fileHandle);
+			}
+		}
+    }

wp-content/plugins/wp-piwik/classes/WP_Piwik/Logger/Screen.php

@@ -0,0 +1,27 @@
+<?php
+	
+	namespace WP_Piwik\Logger;
+
+	class Screen extends \WP_Piwik\Logger {
+	
+		private $logs = array();
+		
+		private function formatMicrotime($loggerTime) {
+			return sprintf('[%6s sec]',number_format($loggerTime,3));
+		}
+		
+		public function __construct($loggerName) {
+			add_action(is_admin()?'admin_footer':'wp_footer', array($this, 'echoResults'));
+			parent::__construct($loggerName);
+		}
+		
+		public function loggerOutput($loggerTime, $loggerMessage) {
+			$this->logs[] = $this->formatMicrotime($loggerTime).' '.$loggerMessage;
+		}
+		
+		public function echoResults() {
+			echo '<pre>';
+			print_r($this->logs);
+			echo '</pre>';			
+		} 
+    }