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<?php var_dump(filter_var('2147483648', FILTER_VALIDATE_INT)); var_dump(filter_var('-2147483649', FILTER_VALIDATE_INT));
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(2147483648) int(-2147483649)
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/S9cr1 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/S9cr1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/S9cr1 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/S9cr1 on line 3