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msd2/tracking/piwik/plugins/Monolog/Processor/ClassNameProcessor.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Plugins\Monolog\Processor;
+
+use Piwik\Plugin;
+
+/**
+ * Records the name of the class that logged.
+ */
+class ClassNameProcessor
+{
+    private $skippedClasses = array(
+        __CLASS__,
+        'Piwik\Log',
+        'Piwik\Piwik',
+        'Piwik\CronArchive',
+        'Monolog\Logger',
+    );
+
+    public function __invoke(array $record)
+    {
+        $record['extra']['class'] = $this->getLoggingClassName();
+
+        return $record;
+    }
+
+    /**
+     * Returns the name of the plugin/class that triggered the log.
+     *
+     * @return string
+     */
+    private function getLoggingClassName()
+    {
+        $backtrace = $this->getBacktrace();
+
+        $name = Plugin::getPluginNameFromBacktrace($backtrace);
+
+        // if we can't determine the plugin, use the name of the calling class
+        if ($name == false) {
+            $name = $this->getClassNameThatIsLogging($backtrace);
+        }
+
+        return $name;
+    }
+
+    private function getClassNameThatIsLogging($backtrace)
+    {
+        foreach ($backtrace as $line) {
+            if (isset($line['class'])) {
+                return $line['class'];
+            }
+        }
+
+        return '';
+    }
+
+    private function getBacktrace()
+    {
+        if (version_compare(phpversion(), '5.3.6', '>=')) {
+            $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
+        } else {
+            $backtrace = debug_backtrace();
+        }
+
+        $skippedClasses = $this->skippedClasses;
+        $backtrace = array_filter($backtrace, function ($item) use ($skippedClasses) {
+            if (isset($item['class'])) {
+                return !in_array($item['class'], $skippedClasses);
+            }
+            return true;
+        });
+
+        return $backtrace;
+    }
+}