*/ protected $model; /** * @param class-string $modelClass */ public function __construct( string $modelClass ) { if ( ! is_subclass_of( $modelClass, Model::class ) ) { throw new InvalidArgumentException( "$modelClass must implement " . Model::class ); } $this->model = $modelClass; } /** * Returns the number of rows returned by a query * * @since 1.0.0 * * @param null|string $column */ public function count( $column = null ) : int { $column = ( ! $column || $column === '*' ) ? '1' : trim( $column ); if ( '1' === $column ) { $this->selects = []; } $this->selects[] = new RawSQL( 'SELECT COUNT(%1s) AS count', $column ); /** @var object{count:numeric-string} $result */ $result = parent::get(); return (int) $result->count; } /** * Get row * * @since 1.0.0 * * @param string $output * * @return M|array|object|null */ public function get( $output = self::MODEL ) { if ( $output !== self::MODEL ) { /** @var array|object|null */ return parent::get( $output ); } $row = DB::get_row( $this->getSQL() ); if ( ! $row ) { return null; } /** @var array|object $row */ return $this->model::fromData( $row ); } /** * Get results * * @since 1.0.0 * * @return list|object>|null */ public function getAll( $output = self::MODEL ) : ?array { if ( $output !== self::MODEL ) { /** @var list|object>|null */ return parent::getAll( $output ); } /** @var list