Update wordpress span Name to include low cardinal target (open-telemetry#414)

Author: HeenaBansal20

src/Instrumentation/Wordpress/composer.json

@@ -14,7 +14,8 @@
     "open-telemetry/api": "^1.0",
     "open-telemetry/sem-conv": "^1.32",
     "nyholm/psr7": "^1",
-    "nyholm/psr7-server": "^1"
+    "nyholm/psr7-server": "^1",
+    "psr/http-message": "2.0"
   },
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^3",

src/Instrumentation/Wordpress/src/WordpressInstrumentation.php

@@ -16,6 +16,7 @@
 use function OpenTelemetry\Instrumentation\hook;
 use OpenTelemetry\SemConv\TraceAttributes;
 use OpenTelemetry\SemConv\Version;
+use Psr\Http\Message\ServerRequestInterface;
 use Throwable;
 
 /**
@@ -92,7 +93,7 @@ function: 'wp_initial_constants',
 
                 $span = $instrumentation
                     ->tracer()
-                    ->spanBuilder(sprintf('%s', $request->getMethod()))
+                    ->spanBuilder(sprintf('%s %s', $request->getMethod(), self::getScriptNameFromRequest($request)))
                     ->setParent($parent)
                     ->setSpanKind(SpanKind::KIND_SERVER)
                     ->setAttribute(TraceAttributes::URL_FULL, (string) $request->getUri())
@@ -183,4 +184,9 @@ private static function end(?Throwable $exception): void
 
         $span->end();
     }
+
+    private static function getScriptNameFromRequest(ServerRequestInterface $request): string
+    {
+        return $request->getServerParams()['SCRIPT_NAME'] ?? '/';
+    }
 }