Ever wanted to retrieve a list of allowed values of select list, here's a sample code:
Blocks are the boxes of content (such as "User Login" or "Who's online") that can be displayed in regions (such as footer or sidebar) on your page.
Blocks are made available to your site most commonly by enabling modules. Once created, a Block can be modified to adjust its appearance, shape, size and position - or which Website pages it appears on.
There are some cases where you want to render block within content of page or part of node body. Here is sample code to render the blocks programmatically in Drupal 7.
In Drupal the normal functionality of multi-value field on node edit screen is like this, it adds one more extra row where user can add data if they want or leave as it is if don't.
Views can be used to display content as a page, block, etc. You can directly access URL to show page view content, you can add views block in any region if it is to be shown on sidebar first, sidebar second, content top, content bottom. What if the content of views block needs to be shown inside the content of page. So here is sample code to render the views programmatically in Drupal 7 in just one line: