Re: PHP variable sanitization functions

[Jan Pieter Kunst <jpk () akamail com>]

> function check_integer($integer, $extras='') {
>         if (!is_integer($integer)) {
>                 $this->set_error("Type not integer");
>                 return FALSE;
>         }
>
> [...]
>
> }


But see this note from the PHP documentation regarding is_integer() 
or is_int():
<http://nl3.php.net/manual/en/function.is-int.php>:

"Note: To test if a variable is a number or a numeric string (such as 
form input, which is always a string), you must use is_numeric() ."

JP