public static function getImageSizes() { if (!self::$imageSizes) { $config = self::getApplication()->getConfig(); $sizes = array(); $k = 0; while ($config->isValueSet('IMG_P_W_' . ++$k)) { $sizes[$k] = array($config->get('IMG_P_W_' . $k), $config->get('IMG_P_H_' . $k)); } self::$imageSizes = $sizes; } return self::$imageSizes; }