1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/open-telemetry/api/LoggerHolder.php b/vendor/open-telemetry/api/LoggerHolder.php
new file mode 100644
index 000000000..99f916a23
--- /dev/null
+++ b/vendor/open-telemetry/api/LoggerHolder.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\API;
+
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+
+final class LoggerHolder
+{
+    private static ?LoggerInterface $logger = null;
+
+    /**
+     * This constructor is a temporary solution to ease the setup of the logger with DI libraries
+     */
+    public function __construct(?LoggerInterface $logger = null)
+    {
+        self::$logger = $logger;
+    }
+
+    /**
+     * @suppress PhanTypeMismatchReturnNullable
+     * @internal
+     */
+    public static function get(): ?LoggerInterface
+    {
+        return self::$logger;
+    }
+
+    public static function set(?LoggerInterface $logger): void
+    {
+        self::$logger = $logger;
+    }
+
+    public static function isSet(): bool
+    {
+        return null !== self::$logger;
+    }
+
+    public static function unset(): void
+    {
+        self::$logger = null;
+    }
+
+    /**
+     * Disable psr-3 logging
+     */
+    public static function disable(): void
+    {
+        self::$logger = new NullLogger();
+    }
+}