exclude variable symbols.

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
 .vscode
+.idea
 vendor/
 composer.lock

src/SymbolFinder.php

@@ -21,7 +21,7 @@ class SymbolFinder extends NodeVisitorAbstract
     ];
 
     /**
-     * @var LanguageServer\Protocol\SymbolInformation[]
+     * @var \LanguageServer\Protocol\SymbolInformation[]
      */
     public $symbols;
 
@@ -44,8 +44,24 @@ class SymbolFinder extends NodeVisitorAbstract
     {
         $class = get_class($node);
         if (!isset(self::NODE_SYMBOL_KIND_MAP[$class])) {
-            return;
+        return;
+    }
+
+        $symbol = end($this->symbols);
+        $kind = self::NODE_SYMBOL_KIND_MAP[$class];
+
+        // exclude variable symbols that are defined in methods and functions.
+        if ($symbol && $kind === SymbolKind::VARIABLE &&
+            ($symbol->kind === SymbolKind::METHOD || $symbol->kind === SymbolKind::FUNCTION)
+        ) {
+            if (
+                $node->getAttribute('startLine') - 1 > $symbol->location->range->start->line &&
+                $node->getAttribute('endLine') - 1 < $symbol->location->range->end->line
+            ) {
+                return;
+            }
         }
+
         $symbol = new SymbolInformation();
         $symbol->kind = self::NODE_SYMBOL_KIND_MAP[$class];
         $symbol->name = (string)$node->name;

tests/Server/TextDocumentTest.php

@@ -24,7 +24,7 @@ class TextDocumentTest extends TestCase
         // Request symbols
         $result = $textDocument->documentSymbol(new TextDocumentIdentifier('whatever'));
         $this->assertEquals([
-           [
+            [
                 'name' => 'TestNamespace',
                 'kind' => SymbolKind::NAMESPACE,
                 'location' => [
@@ -96,24 +96,6 @@ class TextDocumentTest extends TestCase
                 ],
                 'containerName' => null
             ],
-            [
-                'name' => 'testVariable',
-                'kind' => SymbolKind::VARIABLE,
-                'location' => [
-                    'uri' => 'whatever',
-                    'range' => [
-                        'start' => [
-                            'line' => 10,
-                            'character' => 8
-                        ],
-                        'end' => [
-                            'line' => 10,
-                            'character' => 20
-                        ]
-                    ]
-                ],
-                'containerName' => null
-            ],
             [
                 'name' => 'TestTrait',
                 'kind' => SymbolKind::CLASS_,