PHP code example of intersvyaz / yii-old-attribute-behavior

1. Go to this page and download the library: Download intersvyaz/yii-old-attribute-behavior library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

intersvyaz / yii-old-attribute-behavior example snippets


class User extends CActiveRecord
{
  /**
   * @inheritdoc
   */
	public function behaviors()
	{
		return array_merge(
			parent::behaviors(),
			[
				'oldBehavior' => ['class' => Intersvyaz\Behavior\OldAttributesBehavior::class],
			]
		);
	}
	
	/**
	 * @inheritdoc
	 */
	protected function afterSave()
	{
	  if ($this->isModified('username')) {
	      // some your logic
	      $oldValue = $this->old->username;
	      // or
	      $oldValue = $this->oldAttributes['username'];
	      // new value in $this->username
	  }
	  parent::afterSave();
	}
}