1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/open-telemetry/exporter-otlp/AttributesConverter.php b/vendor/open-telemetry/exporter-otlp/AttributesConverter.php
new file mode 100644
index 000000000..4a349ab67
--- /dev/null
+++ b/vendor/open-telemetry/exporter-otlp/AttributesConverter.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\Contrib\Otlp;
+
+use function is_array;
+use function is_bool;
+use function is_float;
+use function is_int;
+use function is_string;
+use Opentelemetry\Proto\Common\V1\AnyValue;
+use Opentelemetry\Proto\Common\V1\ArrayValue;
+use Opentelemetry\Proto\Common\V1\KeyValue;
+use Opentelemetry\Proto\Common\V1\KeyValueList;
+
+final class AttributesConverter
+{
+    public static function convertAnyValue($value): AnyValue
+    {
+        $result = new AnyValue();
+        if (is_array($value)) {
+            if (self::isSimpleArray($value)) {
+                $values = new ArrayValue();
+                foreach ($value as $element) {
+                    /** @psalm-suppress InvalidArgument */
+                    $values->getValues()[] = self::convertAnyValue($element);
+                }
+                $result->setArrayValue($values);
+            } else {
+                $values = new KeyValueList();
+                foreach ($value as $key => $element) {
+                    /** @psalm-suppress InvalidArgument */
+                    $values->getValues()[] = new KeyValue(['key' => $key, 'value' => self::convertAnyValue($element)]);
+                }
+                $result->setKvlistValue($values);
+            }
+        }
+        if (is_int($value)) {
+            $result->setIntValue($value);
+        }
+        if (is_bool($value)) {
+            $result->setBoolValue($value);
+        }
+        if (is_float($value)) {
+            $result->setDoubleValue($value);
+        }
+        if (is_string($value)) {
+            $result->setStringValue($value);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Test whether an array is simple (non-KeyValue)
+     */
+    public static function isSimpleArray(array $value): bool
+    {
+        return $value === [] || array_key_first($value) === 0;
+    }
+}