function _resp_img_get_device_pixel_ratio in Responsive images and styles 7

1 call to _resp_img_get_device_pixel_ratio()

resp_img_get_best_suffix in ./resp_img.module

Determine best match

File

./resp_img.module, line 189

Code

function _resp_img_get_device_pixel_ratio() {
  static $ratio = FALSE;
  if ($ratio === FALSE && variable_get('resp_img_use_device_pixel_ratio', FALSE) && isset($_COOKIE[RESP_IMG_RATIO_COOKIE]) && is_numeric($_COOKIE[RESP_IMG_RATIO_COOKIE])) {
    $ratio = $_COOKIE[RESP_IMG_RATIO_COOKIE];
  }
  else {
    $ratio = 1;
  }
  return $ratio;
}