fixed php coding standard issues

Author: priyambad

app/code/Meta/Catalog/Setup/MetaCatalogAttributes.php

@@ -10,6 +10,8 @@
 class MetaCatalogAttributes
 {
     /**
+     * Returns array of product attributes to be created
+     *
      * @return array[]
      */
     public function execute(): array
@@ -20,7 +22,7 @@ public function execute(): array
                 'type' => 'varchar',
                 'label' => 'Google Product Category',
                 'input' => 'select',
-                'source' => 'Meta\Catalog\Model\Config\Source\Product\GoogleProductCategory',
+                'source' => Meta\Catalog\Model\Config\Source\Product\GoogleProductCategory::class,
                 'required' => false,
                 'sort_order' => 10,
                 'global' => ScopedAttributeInterface::SCOPE_GLOBAL,
@@ -35,7 +37,7 @@ public function execute(): array
                 'type' => 'int',
                 'label' => 'Sync to Facebook Catalog',
                 'input' => 'boolean',
-                'source' => 'Magento\Eav\Model\Entity\Attribute\Source\Boolean',
+                'source' => Magento\Eav\Model\Entity\Attribute\Source\Boolean::class,
                 'visible' => true,
                 'default' => "1",
                 'required' => false,

app/code/Meta/Catalog/Setup/Patch/Data/AddProductAttributes.php

@@ -44,6 +44,8 @@ public function __construct(
     }
 
     /**
+     * Get dependencies for the data patch
+     *
      * @return array
      */
     public static function getDependencies(): array
@@ -52,6 +54,8 @@ public static function getDependencies(): array
     }
 
     /**
+     * Get alias for the data patch
+     *
      * @return array
      */
     public function getAliases(): array
@@ -60,6 +64,8 @@ public function getAliases(): array
     }
 
     /**
+     * Create product attributes
+     *
      * @return void
      */
     public function apply(): void
@@ -88,6 +94,8 @@ public function apply(): void
     }
 
     /**
+     * Revert the created product attributes
+     *
      * @return void
      */
     public function revert(): void
@@ -97,7 +105,7 @@ public function revert(): void
         /** @var EavSetup $eavSetup */
         $eavSetup = $this->eavSetupFactory->create(['setup' => $this->moduleDataSetup]);
 
-        foreach ($catalogAttributes as $attributeCode => $attributeData) {
+        foreach (array_keys($catalogAttributes) as $attributeCode) {
             $eavSetup->removeAttribute(Product::ENTITY, $attributeCode);
         }