Add var dumper collector

config/bootstrap.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+use Yiisoft\VarDumper\VarDumper;
+use Yiisoft\Yii\Debug\Collector\VarDumperCollector;
+use Yiisoft\Yii\Debug\Collector\VarDumperHandlerInterfaceProxy;
+
+/**
+ * @var $params array
+ */
+
+return [
+    static function ($container) use ($params) {
+        if (!($params['yiisoft/yii-debug']['enabled'] ?? false)) {
+            return;
+        }
+        if (!$container->has(VarDumperCollector::class)) {
+            return;
+        }
+
+        VarDumper::setDefaultHandler(
+            new VarDumperHandlerInterfaceProxy(
+                VarDumper::getDefaultHandler(),
+                $container->get(VarDumperCollector::class),
+            ),
+        );
+    },
+];

config/params.php

@@ -21,6 +21,7 @@
 use Yiisoft\Yii\Debug\Collector\ServiceCollector;
 use Yiisoft\Yii\Debug\Collector\Stream\FilesystemStreamCollector;
 use Yiisoft\Yii\Debug\Collector\Stream\HttpStreamCollector;
+use Yiisoft\Yii\Debug\Collector\VarDumperCollector;
 use Yiisoft\Yii\Debug\Collector\Web\MiddlewareCollector;
 use Yiisoft\Yii\Debug\Collector\Web\RequestCollector;
 use Yiisoft\Yii\Debug\Collector\Web\WebAppInfoCollector;
@@ -43,6 +44,7 @@
             FilesystemStreamCollector::class,
             HttpStreamCollector::class,
             ExceptionCollector::class,
+            VarDumperCollector::class,
         ],
         'collectors.web' => [
             WebAppInfoCollector::class,

src/Collector/VarDumperCollector.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Collector;
+
+final class VarDumperCollector implements SummaryCollectorInterface
+{
+    use CollectorTrait;
+
+    private array $vars = [];
+
+    public function collectVar(mixed $variable, string $line): void
+    {
+        $this->vars[] = [
+            'variable' => $variable,
+            'line' => $line,
+        ];
+    }
+
+    public function getCollected(): array
+    {
+        if (!$this->isActive()) {
+            return [];
+        }
+
+        return [
+            'var-dumper' => $this->vars,
+        ];
+    }
+
+    public function getSummary(): array
+    {
+        if (!$this->isActive()) {
+            return [];
+        }
+
+        return [
+            'var-dumper' => [
+                'total' => count($this->vars),
+            ],
+        ];
+    }
+}

src/Collector/VarDumperHandlerInterfaceProxy.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Collector;
+
+use Yiisoft\VarDumper\HandlerInterface;
+
+final class VarDumperHandlerInterfaceProxy implements HandlerInterface
+{
+    public function __construct(
+        private HandlerInterface $decorated,
+        private VarDumperCollector $collector,
+    ) {
+    }
+
+    public function handle(mixed $variable, int $depth, bool $highlight = false): void
+    {
+        $stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+
+        $callStack = null;
+        foreach ($stack as $value) {
+            if (!isset($value['file'])) {
+                continue;
+            }
+            if (str_ends_with($value['file'], '/var-dumper/src/functions.php')) {
+                continue;
+            }
+            if (str_ends_with($value['file'], '/var-dumper/src/VarDumper.php')) {
+                continue;
+            }
+            $callStack = $value;
+            break;
+        }
+
+        $this->collector->collectVar(
+            $variable,
+            $callStack === null ? '' : $callStack['file'] . ':' . $callStack['line']
+        );
+        $this->decorated->handle($variable, $depth, $highlight);
+    }
+}