json encode an entity

Author: benrogmans

system/Entity.php

@@ -46,7 +46,7 @@
 /**
  * Entity encapsulation, for use with CodeIgniter\Model
  */
-class Entity
+class Entity implements \JsonSerializable
 {
 	/**
 	 * Maps names used in sets and gets against unique
@@ -614,4 +614,15 @@ private function castAsJson($value, bool $asArray = false)
 		}
 		return $tmp;
 	}
+
+	/**
+	 * Support for json_encode()
+	 *
+	 * @return array|mixed
+	 * @throws \Exception
+	 */
+	public function jsonSerialize()
+	{
+		return $this->toArray();
+	}
 }

tests/system/EntityTest.php

@@ -685,6 +685,13 @@ public function testIssetKeyMap()
 		$this->assertTrue(isset($entity->FakeBar));
 	}
 
+	public function testJsonSerializableEntity()
+	{
+		$entity = $this->getEntity();
+		$entity->setBar('foo');
+		$this->assertEquals(json_encode($entity->toArray()), json_encode($entity));
+	}
+
 	protected function getEntity()
 	{
 		return new class extends Entity