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And you cannot call the function inside of itself, however you can call its parameters (the stuff in between the ()).
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$i++ is a post-increment, the increment happens after the variable is returned.
++$i is a pre-increment, the increment happens before the variable is returned.
feyd wrote:$i++ is a post-increment, the increment happens after the variable is returned.
++$i is a pre-increment, the increment happens before the variable is returned.