If developer have good knowledge then he/she must know this function name at-least 3-5

☛ 1. is_page() :- Condition for check if page is displayed. Its return true or false.

☛ 2. wp_nav_menu() :- Enabling WordPress 3.0′s Navigation Menu Feature

☛ 3. wp_list_pages() :- Listing All Pages

☛ 4. get_excerpt() :- Displays the excerpt of the current post with read more link for display full post.

☛ 5. is_category() :- Condition for check if category is displayed. Its return true or false.

☛ 6. the_title():- Displays the title of the current post

☛ 7. the_content():- Displays the contents of the current post.

☛ 8. bloginfo(‘url’) :- Getting the Site’s URL

☛ 9. bloginfo(‘template_url’) :- Getting the URL to the Current Theme

☛ 10.the_time():- Display the time the post was published (uses PHP date formatting as a parameter)