function _vkxp_get_node_images in VK CrossPoster 7.2

Same name and namespace in other branches

1. 6.3 vkxp.module \_vkxp_get_node_images()
2. 6 vkxp.module \_vkxp_get_node_images()
3. 6.2 vkxp.module \_vkxp_get_node_images()
4. 7 vkxp.module \_vkxp_get_node_images()

Get images from node.

Parameters

$node: Node object that should be crossposted.

Return value

array Array with uploaded images.

2 calls to _vkxp_get_node_images()

vkxp_post_to_wall_action in ./vkxp.rules.inc

Action: Post node to VK wall.

_vkxp_process_node in ./vkxp.module

Process node and send it to VK if needed.

File

./vkxp.module, line 227

Code

function _vkxp_get_node_images($node) {
  $image_ids = '';

  // Load image amount that should be sent to VK.
  $image_amount = variable_get('vkxp_node_image_limit_' . $node->type, 0);
  if ($image_amount) {

    // Get node field name that contains image.
    $field = variable_get('vkxp_node_image_field_' . $node->type, 0);

    // Get image style if exists.
    $image_style = variable_get('vkxp_node_image_field_style_' . $node->type, FALSE);

    // Try to get images from node object.
    $i = 0;
    $items = field_get_items('node', $node, $field);
    if (!empty($items) && is_array($items)) {
      $images = array();
      foreach ($items as $image) {
        if (isset($image['fid'])) {

          // If user set image limit we should check get only selected amount of images.
          if ($i++ == $image_amount) {
            break;
          }
          $file = file_load($image['fid']);
          if ($image_style) {
            $uri = vkxp_get_image_style_uri($image_style, $file);
          }
          else {
            $uri = $file->uri;
          }

          // Get real image path.
          $uri = drupal_realpath($uri);

          // PHP version > 5.5.
          if (function_exists('curl_file_create')) {
            $images[] = curl_file_create($uri);
          }
          else {
            $images[] = '@' . $uri;
          }
        }
      }
    }

    // Upload images to vk server.
    if (!empty($images)) {
      $upload_url = _vkxp_get_upload_server();
      $image_ids = _vkxp_upload_images($upload_url, $images);
    }
  }
  return $image_ids;
}