Akash Mehta has pointed out five "PEAR gems" that can help you get your code up and running faster - some helpful bits of code to help you deal with some common issues.
Sifting through the repository is also a challenge; a basic category system is in place, but it's hard to tell what you want when you don't know what's available. Here are some gems from the PEAR repository that you could really find useful.
The five that made his list are:
