Disable show ObjectManager/Models/Collection internals with var_dump

lib/internal/Magento/Framework/Data/Collection.php

@@ -9,8 +9,6 @@
 use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Data\Collection\EntityFactoryInterface;
 use Magento\Framework\DataObject;
-use Magento\Framework\Exception\AlreadyExistsException;
-use Magento\Framework\Option\ArrayInterface;
 
 /**
  * Data collection
@@ -19,8 +17,10 @@
  *
  * @api
  * @since 100.0.2
+ *
+ * @SuppressWarnings(PHPMD.ExcessivePublicCount)
  */
-class Collection implements \IteratorAggregate, \Countable, ArrayInterface, CollectionDataSourceInterface
+class Collection implements \IteratorAggregate, \Countable, OptionSourceInterface, CollectionDataSourceInterface
 {
     const SORT_ORDER_ASC = 'ASC';
 
@@ -767,6 +767,7 @@ protected function _toOptionArray($valueField = 'id', $labelField = 'name', $add
         $additional['label'] = $labelField;
 
         foreach ($this as $item) {
+            $data = [];
             foreach ($additional as $code => $field) {
                 $data[$code] = $item->getData($field);
             }
@@ -915,4 +916,16 @@ public function __wakeup()
         $objectManager = ObjectManager::getInstance();
         $this->_entityFactory = $objectManager->get(EntityFactoryInterface::class);
     }
+
+    /**
+     * Export only scalar and arrays properties for var_dump
+     *
+     * @return array
+     */
+    public function __debugInfo()
+    {
+        return array_filter(get_object_vars($this), function ($v) {
+            return is_scalar($v) || is_array($v);
+        });
+    }
 }

lib/internal/Magento/Framework/DataObject.php

@@ -183,8 +183,8 @@ public function getDataByKey($key)
     /**
      * Get value from _data array without parse key
      *
-     * @param   string $key
-     * @return  mixed
+     * @param string $key
+     * @return mixed
      */
     protected function _getData($key)
     {
@@ -263,7 +263,7 @@ public function toArray(array $keys = [])
     /**
      * The "__" style wrapper for toArray method
      *
-     * @param  array $keys
+     * @param array $keys
      * @return array
      */
     public function convertToArray(array $keys = [])
@@ -373,9 +373,9 @@ public function toString($format = '')
     /**
      * Set/Get attribute wrapper
      *
-     * @param   string $method
-     * @param   array $args
-     * @return  mixed
+     * @param string $method
+     * @param array $args
+     * @return mixed
      * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function __call($method, $args)
@@ -438,11 +438,11 @@ protected function _underscore($name)
      *
      * Example: key1="value1" key2="value2" ...
      *
-     * @param   array $keys array of accepted keys
-     * @param   string $valueSeparator separator between key and value
-     * @param   string $fieldSeparator separator between key/value pairs
-     * @param   string $quote quoting sign
-     * @return  string
+     * @param array $keys array of accepted keys
+     * @param string $valueSeparator separator between key and value
+     * @param string $fieldSeparator separator between key/value pairs
+     * @param string $quote quoting sign
+     * @return string
      */
     public function serialize($keys = [], $valueSeparator = '=', $fieldSeparator = ' ', $quote = '"')
     {
@@ -464,7 +464,7 @@ public function serialize($keys = [], $valueSeparator = '=', $fieldSeparator = '
      * Present object data as string in debug mode
      *
      * @param mixed $data
-     * @param array &$objects
+     * @param array $objects
      * @return array
      */
     public function debug($data = null, &$objects = [])
@@ -541,4 +541,19 @@ public function offsetGet($offset)
         }
         return null;
     }
+
+    /**
+     * Export only scalar and arrays properties for var_dump
+     *
+     * @return array
+     */
+    public function __debugInfo()
+    {
+        return array_filter(
+            get_object_vars($this),
+            function ($v) {
+                return is_scalar($v) || is_array($v);
+            }
+        );
+    }
 }

lib/internal/Magento/Framework/Interception/PluginList/PluginList.php

@@ -292,4 +292,15 @@ public function merge(array $config)
     {
         $this->_data = $this->pluginListGenerator->merge($config, $this->_data);
     }
+
+    /**
+     * Disable show PluginList internals with var_dump
+     *
+     * @see https://www.php.net/manual/en/language.oop5.magic.php#object.debuginfo
+     * @return array
+     */
+    public function __debugInfo()
+    {
+        return [];
+    }
 }

lib/internal/Magento/Framework/ObjectManager/ObjectManager.php

@@ -12,7 +12,12 @@
  */
 namespace Magento\Framework\ObjectManager;
 
-class ObjectManager implements \Magento\Framework\ObjectManagerInterface
+use Magento\Framework\ObjectManagerInterface;
+
+/**
+ * Base implementation Object Manager
+ */
+class ObjectManager implements ObjectManagerInterface
 {
     /**
      * @var \Magento\Framework\ObjectManager\FactoryInterface
@@ -34,14 +39,14 @@ class ObjectManager implements \Magento\Framework\ObjectManagerInterface
     /**
      * @param FactoryInterface $factory
      * @param ConfigInterface $config
-     * @param array &$sharedInstances
+     * @param array $sharedInstances
      */
     public function __construct(FactoryInterface $factory, ConfigInterface $config, &$sharedInstances = [])
     {
         $this->_config = $config;
         $this->_factory = $factory;
         $this->_sharedInstances = &$sharedInstances;
-        $this->_sharedInstances[\Magento\Framework\ObjectManagerInterface::class] = $this;
+        $this->_sharedInstances[ObjectManagerInterface::class] = $this;
     }
 
     /**
@@ -74,6 +79,7 @@ public function get($type)
 
     /**
      * Configure di instance
+     *
      * Note: All arguments should be pre-processed (sort order, translations, etc) before passing to method configure.
      *
      * @param array $configuration
@@ -83,4 +89,15 @@ public function configure(array $configuration)
     {
         $this->_config->extend($configuration);
     }
+
+    /**
+     * Disable show ObjectManager internals with var_dump
+     *
+     * @see https://www.php.net/manual/en/language.oop5.magic.php#object.debuginfo
+     * @return array
+     */
+    public function __debugInfo()
+    {
+        return [];
+    }
 }