public function sync_original_attribute( $attribute ) {
		if ( array_key_exists( $attribute, $this->attributes ) ) {
			$this->original[ $attribute ] = $this->attributes[ $attribute ];
		}

		return $this;
	}
public function sync_original_attribute( $attribute ) {
		if ( array_key_exists( $attribute, $this->attributes ) ) {
			$this->original[ $attribute ] = $this->attributes[ $attribute ];
		}

		return $this;
	}
public function sync_original_attribute ( $ attribute ) { if ( array_key_exists ( $ attribute , $ this -> attributes ) ) { $ this -> original [ $ attribute ] = $ this -> attributes [ $ attribute ] ; } return $ this ; }
Sync a single original attribute with its current value.

@param  string $attribute The attribute to sync.
@return $this
Sync a single original attribute with its current value .