Nick.h questions

• Getting plain text of a field in drupal 7
• Why is it illegal for variables to start with numbers?
• What's use of "#process" callback in drupal form api?
• What's the proper grammar for this language?
• How to override theme function in drupal?
• Is there any way to get uid from user name in Drupal?
• Putting comma(,) at end of array.Is it a convention?

Nick.h answers