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<?php class NotAnInt { function __toString() { return " 1"; } } // the filter_* functions trim whitespace which can result in data loss var_dump(filter_var(" 1 ", FILTER_VALIDATE_INT)); // because filter_var casts passed values to a string, it accepts various unsafe values var_dump(filter_var(true, FILTER_VALIDATE_INT)); var_dump(filter_var(1.00000000000001, FILTER_VALIDATE_INT)); var_dump(filter_var(new NotAnInt(), FILTER_VALIDATE_INT));
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(1) int(1) int(1) int(1)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/ObLpV on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/ObLpV on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/ObLpV on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/ObLpV on line 10
preferences:
294.16 ms | 401 KiB | 468 Q