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<?php trait setData { static function setData( $data ) { DataCollector::collectedData( 'set', $data ); } } trait dataHandler { use setData; private static function getCollectedData() { return DataCollector::collectedData( 'get' ); } private static function collectedData( $type, $value = NULL ) { if( strtolower( $type ) === 'set' ) { DataCollector::$CollectionData[] = $value; var_dump( DataCollector::$CollectionData ); } elseif( strtolower( $type ) === 'get' ) return DataCollector::$CollectionData; } } class DataCollector { use dataHandler { getCollectedData as public; collectedData as public; } private static $CollectionData = array(); } class Field { use setData {} } class TextField extends Field { public function __construct( $type, $text = NULL ) { $this->setData( $type ); } } /* class A { use setData{} public function __construct( $type, $text = NULL ) { $this->setData( $type ); } } */ $Field1 = new TextField( '1' ); $Field2 = new TextField( '2' ); #$A = new A( '3' ); #DataCollector::setData('4'); #dataHandler::setData('5'); var_dump( DataCollector::getCollectedData() );