Display or Print a Drupal 6/7 block anywhere
During some development work I had to create a custom node template for a specific content type. The design had a menu block displayed on left sidebar on the majority of pages but the menu was also needed below the content area as a secondary navigation for this content type. I searched online and what I ended up finding were a bunch of posts about creating regions with the info file or putting a block in a region using the template.php.
These did not help because the block I wanted already existed in the left sidebar. I could've just duplicated the block but that would have been confusing to users updating the site and a waste to recreate a block that already existed.
Solution
<?php
$block = module_invoke('module_name', 'block', 'view', 0);
print $block['content'];
?>
To use this code for any block all you need to do is changed the module_name and the delta. Note the delta of the block can be a number or a string. Something else to note is that this only prints out the block body.
Find module name and delta info on /admin/build/block
In Action
Displays the user 1 block
<?php $block = module_invoke('user', 'block', 'view', 1); print $block['content'];?>
Prints out the primary links block
<?php $block = module_invoke('menu', 'block', 'view', 'primary-links'); print $block['content'];?>