1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/open-telemetry/api/Behavior/Internal/LogWriterFactory.php b/vendor/open-telemetry/api/Behavior/Internal/LogWriterFactory.php
new file mode 100644
index 000000000..07c48cea5
--- /dev/null
+++ b/vendor/open-telemetry/api/Behavior/Internal/LogWriterFactory.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\API\Behavior\Internal;
+
+use OpenTelemetry\API\Behavior\Internal\LogWriter\ErrorLogWriter;
+use OpenTelemetry\API\Behavior\Internal\LogWriter\LogWriterInterface;
+use OpenTelemetry\API\Behavior\Internal\LogWriter\NoopLogWriter;
+use OpenTelemetry\API\Behavior\Internal\LogWriter\Psr3LogWriter;
+use OpenTelemetry\API\Behavior\Internal\LogWriter\StreamLogWriter;
+use OpenTelemetry\API\Instrumentation\ConfigurationResolver;
+use OpenTelemetry\API\LoggerHolder;
+
+class LogWriterFactory
+{
+    private const OTEL_PHP_LOG_DESTINATION = 'OTEL_PHP_LOG_DESTINATION';
+
+    public function create(): LogWriterInterface
+    {
+        $dest = (new ConfigurationResolver())->getString(self::OTEL_PHP_LOG_DESTINATION);
+        $logger = LoggerHolder::get();
+
+        switch ($dest) {
+            case 'none':
+                return new NoopLogWriter();
+            case 'stderr':
+                return new StreamLogWriter('php://stderr');
+            case 'stdout':
+                return new StreamLogWriter('php://stdout');
+            case 'psr3':
+                if ($logger) {
+                    return new Psr3LogWriter($logger);
+                }
+                error_log('OpenTelemetry: cannot use OTEL_PHP_LOG_DESTINATION=psr3 without providing a PSR-3 logger');
+                //default to error log
+                return new ErrorLogWriter();
+            case 'error_log':
+                return new ErrorLogWriter();
+            default:
+                if ($logger) {
+                    return new Psr3LogWriter($logger);
+                }
+
+                return new ErrorLogWriter();
+        }
+    }
+}