PHP programming forum. Ask questions or help people concerning PHP code. Don't understand a function? Need help implementing a class? Don't understand a class? Here is where to ask. Remember to do your homework!
It is frequently used to hide error messages but is not a good idea in the long run. Code should be developed showing all errors. In a final production environment you may want to hide things but hiding things may lead to bugs which are very hard to track down.
In general practice, it should not be used. You can almost always catch errors in if() statements. There are a few exceptions, however.
Set Search Time - A google chrome extension. When you search only results from the past year (or set time period) are displayed. Helps tremendously when using new technologies to avoid outdated results.