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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 git.master, git.master_jit, rfc.property-hooks
int(1) int(1) int(1) int(1)

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