function _amp_get_image_information in Accelerated Mobile Pages (AMP) 7

Gets image information.

Parameters

string $image_url: The absolute URL of the image. URL should include 'http'.

string $image_uri: The URI of the image. URI should begin with 'public://'.

string $image_style_id: The optional ID of the image style.

Return value

array The array containing information about the image. Return an empty array if there is a problem getting information about the image. Otherwise the image inforation array includes the following keys:

• url
• width
• height

1 call to _amp_get_image_information()

amp_node_view in ./amp.module

Implements hook_node_view().

File

./amp.module, line 1684

Code

function _amp_get_image_information($image_url, $image_uri, $image_style_id) {
  $image_width = '';
  $image_height = '';
  if (!empty($image_uri) && FALSE !== image_get_info($image_uri)) {
    $image_info = image_get_info($image_uri);
    $image_dimensions = array(
      'width' => $image_info['width'],
      'height' => $image_info['height'],
    );
    if (!empty($image_style_id)) {
      $image_url = image_style_url($image_style_id, $image_uri);
      image_style_transform_dimensions($image_style_id, $image_dimensions);
    }
    $image_width = $image_dimensions['width'];
    $image_height = $image_dimensions['height'];
  }
  if (!empty($image_url) && !empty($image_width) & !empty($image_height)) {
    return array(
      'url' => $image_url,
      'width' => $image_width,
      'height' => $image_height,
    );
  }
  else {
    return array();
  }
}