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In D7, is there a way to get an image style assigned to an image field? if I have created an image style, say, my_image_style by overriding a default image style (thumbnail, medium or large at /admin/config/media/image-styles) and then assigned it to a field_image of a node at /admin/structure/types/manage/article/display, how can I programmatically determine what style does field_image have?

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You can use the field_info_instance() function to get that information:

$entity_type = 'node';
$field_name = 'field_image';
$bundle = 'article'; // Or whatever content type you need.
$view_mode = 'default'; // Or whatever view mode you want to get settings for, e.g. teaser.

$info = field_info_instance($entity_type, $field_name, $bundle);

$settings = $info['display'][$view_mode]['settings'];

$image_style = $settings['image_style'];
  • Where could I use this code? – SaidbakR Sep 6 '15 at 2:08

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