original_string: protected function fill_old_values() {
  		if ( ! $this->session ) {
  			return;
  		}
  
  		if ( 0 === count( (array) $this->session->get_old_input() ) ) {
  			return;
  		}
  
  		foreach ( $this->fields as $key => $field ) {
  			if ( ! is_null( $old = $this->session->get_old_input( $key ) ) ) {
  				$field->set_value( $old );
  			}
  		}
  	}
code: protected function fill_old_values() {
  		if ( ! $this->session ) {
  			return;
  		}
  
  		if ( 0 === count( (array) $this->session->get_old_input() ) ) {
  			return;
  		}
  
  		foreach ( $this->fields as $key => $field ) {
  			if ( ! is_null( $old = $this->session->get_old_input( $key ) ) ) {
  				$field->set_value( $old );
  			}
  		}
  	}
code_tokens: protected function fill_old_values ( ) { if ( ! $ this -> session ) { return ; } if ( 0 === count ( ( array ) $ this -> session -> get_old_input ( ) ) ) { return ; } foreach ( $ this -> fields as $ key => $ field ) { if ( ! is_null ( $ old = $ this -> session -> get_old_input ( $ key ) ) ) { $ field -> set_value ( $ old ) ; } } }
docstring: Fill old input values.
  
  @return void
docstring_tokens: Fill old input values .