Simon Neaves's answer is incomplete: negative integers will return false.
I recommend checking stackoverflow's answers:
http://stackoverflow.com/questions/6416763/checking-if-a-variable-is-an-integer-in-php
Simon Neaves's answer is incomplete: negative integers will return false.
I recommend checking stackoverflow's answers:
http://stackoverflow.com/questions/6416763/checking-if-a-variable-is-an-integer-in-php