What is the difference between == and === in php. I am unsure when to use both.
Updated note: So that it shows up in StackOverflow search, the difference between == and === is the same as the difference between != and !==.
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See also http://stackoverflow.com/questions/80646/how-do-the-equality-double-equals-and-identity-triple-equals-compariso – John Carter Feb 15 '10 at 20:54