field load.php

$button = field_view_field('node', $node, 'field_author');
$button['#title'] = '';
print render($button);

get field.php

$photos = field_get_items('node', $node, 'field_image');

load_and_render.php

$node = node_load($nid);
$display = array('type' => 'default', 'label' => 'hidden');
print drupal_render(field_view_field('node', $node, 'field_name', $display));