using Vendor from composer

system/vendor/myclabs/deep-copy/src/DeepCopy/Matcher/Doctrine/DoctrineProxyMatcher.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace DeepCopy\Matcher\Doctrine;
+
+use DeepCopy\Matcher\Matcher;
+use Doctrine\Persistence\Proxy;
+
+/**
+ * @final
+ */
+class DoctrineProxyMatcher implements Matcher
+{
+    /**
+     * Matches a Doctrine Proxy class.
+     *
+     * {@inheritdoc}
+     */
+    public function matches($object, $property)
+    {
+        return $object instanceof Proxy;
+    }
+}

system/vendor/myclabs/deep-copy/src/DeepCopy/Matcher/Matcher.php

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+<?php
+
+namespace DeepCopy\Matcher;
+
+interface Matcher
+{
+    /**
+     * @param object $object
+     * @param string $property
+     *
+     * @return boolean
+     */
+    public function matches($object, $property);
+}

system/vendor/myclabs/deep-copy/src/DeepCopy/Matcher/PropertyMatcher.php

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+<?php
+
+namespace DeepCopy\Matcher;
+
+/**
+ * @final
+ */
+class PropertyMatcher implements Matcher
+{
+    /**
+     * @var string
+     */
+    private $class;
+
+    /**
+     * @var string
+     */
+    private $property;
+
+    /**
+     * @param string $class    Class name
+     * @param string $property Property name
+     */
+    public function __construct($class, $property)
+    {
+        $this->class = $class;
+        $this->property = $property;
+    }
+
+    /**
+     * Matches a specific property of a specific class.
+     *
+     * {@inheritdoc}
+     */
+    public function matches($object, $property)
+    {
+        return ($object instanceof $this->class) && $property == $this->property;
+    }
+}

system/vendor/myclabs/deep-copy/src/DeepCopy/Matcher/PropertyNameMatcher.php

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+<?php
+
+namespace DeepCopy\Matcher;
+
+/**
+ * @final
+ */
+class PropertyNameMatcher implements Matcher
+{
+    /**
+     * @var string
+     */
+    private $property;
+
+    /**
+     * @param string $property Property name
+     */
+    public function __construct($property)
+    {
+        $this->property = $property;
+    }
+
+    /**
+     * Matches a property by its name.
+     *
+     * {@inheritdoc}
+     */
+    public function matches($object, $property)
+    {
+        return $property == $this->property;
+    }
+}

system/vendor/myclabs/deep-copy/src/DeepCopy/Matcher/PropertyTypeMatcher.php

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+<?php
+
+namespace DeepCopy\Matcher;
+
+use DeepCopy\Reflection\ReflectionHelper;
+use ReflectionException;
+
+/**
+ * Matches a property by its type.
+ *
+ * It is recommended to use {@see DeepCopy\TypeFilter\TypeFilter} instead, as it applies on all occurrences
+ * of given type in copied context (eg. array elements), not just on object properties.
+ *
+ * @final
+ */
+class PropertyTypeMatcher implements Matcher
+{
+    /**
+     * @var string
+     */
+    private $propertyType;
+
+    /**
+     * @param string $propertyType Property type
+     */
+    public function __construct($propertyType)
+    {
+        $this->propertyType = $propertyType;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function matches($object, $property)
+    {
+        try {
+            $reflectionProperty = ReflectionHelper::getProperty($object, $property);
+        } catch (ReflectionException $exception) {
+            return false;
+        }
+
+        $reflectionProperty->setAccessible(true);
+
+        // Uninitialized properties (for PHP >7.4)
+        if (method_exists($reflectionProperty, 'isInitialized') && !$reflectionProperty->isInitialized($object)) {
+            // null instanceof $this->propertyType
+            return false;
+        }
+
+        return $reflectionProperty->getValue($object) instanceof $this->propertyType;
+    }
+}