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Possible Duplicate:
what are the differences in die() and exit() in PHP?
I guess the main question is what is the difference between the 3 exactly?
What is the correct semantic usage for each one of these?
From what I see return false; can discontinue a function whereas die(); and exit(); will prevent any further code running at all.
Is this correct?
die()andexit()are precisely identical; they halt the entire PHP program and return to the OS. They’re two different names for the same function.return, on the other hand, ends a function call and returns to the caller. At the end of a program,returnsets the status value that is returned to the OS; the program is going to exit no matter what.