Fixed the bug with array casting for nested objects

Author: hakobyansen

src/DtoSerialize.php

@@ -37,21 +37,37 @@ public static function serializeSingle( Dto $dto ): \stdClass
 
 	/**
 	 * @param Dto $dto
+	 * @param array $arr
 	 * @return array
 	 */
-	public static function castToArray( Dto $dto ): array
+	public static function castToArray( Dto $dto, array $arr = [] ): array
 	{
-		$arr = [];
-
-		$vars = get_object_vars($dto);
+		$vars = $dto->getObjectVars();
 
 		foreach ( $vars as $key => $value )
 		{
 			$key = str_replace('_', '', $key);
+			$temp = [];
 
-			$arr[$key] = $value;
+			if($value instanceof Dto)
+			{
+				$temp = self::castToArray($value, $temp);
+				$arr[$key] = $temp;
+			}
+			else
+			{
+				$arr[$key] = $value;
+			}
 		}
 
 		return $arr;
 	}
+
+	/**
+	 * @return array
+	 */
+	public function getObjectVars(): array
+	{
+		return get_object_vars($this);
+	}
 }

src/ToArray.php

@@ -10,13 +10,15 @@ trait ToArray
 	 * @param bool $toSnakeCase
 	 * @return array
 	 */
-	public function toArray($toSnakeCase = true): array
+	public function toArray(bool $toSnakeCase = true): array
 	{
+		$arr = self::castToArray($this);
+
 		if($toSnakeCase)
 		{
 			$result = [];
 
-			foreach (self::castToArray($this) as $key => $value)
+			foreach ($arr as $key => $value)
 			{
 				$key = ltrim(strtolower(preg_replace('/[A-Z]([A-Z](?![a-z]))*/', '_$0', $key)), '_');
 
@@ -26,6 +28,6 @@ public function toArray($toSnakeCase = true): array
 			return $result;
 		}
 
-		return self::castToArray($this);
+		return $arr;
 	}
 }

versionlog.md

@@ -4,6 +4,7 @@
 * Installed the [codebot/enum](https://github.com/c0d3b0t/phpenum) package.
 * Enhanced unit tests coverage.
 * Changed the required PHP version to >=8.0.
+* Fixed the bug with array casting for nested objects.
 
 ## 0.2.3 2021-03-26
 * Fixed bugs related to generated constructor props.