Implement hasChanges on Model and detect non changes to the value

Author: williamdes

src/AbstractModel.php

@@ -15,6 +15,7 @@
  * You can obtain one at https://mozilla.org/MPL/2.0/.
  * @license MPL-2.0 https://mozilla.org/MPL/2.0/
  * @source https://github.com/wdes/simple-php-model-system
+ * @version 1.1.0
  */
 
 abstract class AbstractModel
@@ -70,6 +71,14 @@ public function getValue(string $key)
         return $this->data[$key] ?? null;
     }
 
+    /**
+     * @since 1.1.0
+     */
+    public function hasChanges(): bool
+    {
+        return count($this->keysToModify) > 0;
+    }
+
     public function save(): bool
     {
         $keys               = implode(', ', $this->getKeys());
@@ -412,6 +421,10 @@ public function setData(array $data): void
      */
     protected function set($key, $value): void
     {
+        if ($this->data[$key] === $value) {
+            return;// No changes to apply
+        }
+
         $this->data[$key]         = $value;
         $this->keysToModify[$key] = true;
     }