Re: int or not int :) ?

if(!(ereg("[^0-9.]+",$var))) $var = (int) $var; else echo "invalid: $var\n"; James Moore wrote: > > > > > How can I determine if a variable is an integer? I tried > > is_int($var) but it > > didn't work. > > I take these variables from a form and insert them in a table. > > > > OK if you know the var will always have int values then you can do an easy > > $var = (int) $var; > > but if var contains a sting PHP can screw you about when casting so mybe > somthing like this: > > /* You need to test this or one of the regex gurus need to tell me if this > is right... */ > if(!ereg("^[a-zA-Z]+",$var)) { > > $var = (int)$var; > > } > else { > > //$var is not an int!! > > } > > HTH > > James > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net -- Monte Ohrt <monte@ispi.net> http://www.ispi.net/