function block_admin_display_prepare_blocks in Drupal 7
Prepares a list of blocks for display on the blocks administration page.
Parameters
$theme: The machine-readable name of the theme whose blocks should be returned.
Return value
An array of blocks, as returned by _block_rehash(), sorted by region in preparation for display on the blocks administration page.
See also
2 calls to block_admin_display_prepare_blocks()
- block_admin_display in modules/block/ block.admin.inc 
- Menu callback for admin/structure/block.
- dashboard_admin_blocks in modules/dashboard/ dashboard.module 
- Page callback: Builds the page for administering dashboard blocks.
File
- modules/block/ block.admin.inc, line 51 
- Admin page callbacks for the block module.
Code
function block_admin_display_prepare_blocks($theme) {
  $blocks = _block_rehash($theme);
  $compare_theme =& drupal_static('_block_compare:theme');
  $compare_theme = $theme;
  usort($blocks, '_block_compare');
  return $blocks;
}