src/Axolotl/Model.php
public function get_attribute_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ]
			= array_merge(
				$this->fillable,
				$this->guarded,
				$this->get_compute_methods()
			);
	}
public function get_attribute_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ]
			= array_merge(
				$this->fillable,
				$this->guarded,
				$this->get_compute_methods()
			);
	}
public function get_attribute_keys ( ) { if ( isset ( self :: $ memo [ get_called_class ( ) ] [ __METHOD__ ] ) ) { return self :: $ memo [ get_called_class ( ) ] [ __METHOD__ ] ; } return self :: $ memo [ get_called_class ( ) ] [ __METHOD__ ] = array_merge ( $ this -> fillable , $ this -> guarded , $ this -> get_compute_methods ( ) ) ; }
Retrieves all the attribute keys for the model.

@return array
Retrieves all the attribute keys for the model .