Something like "if (is_numeric($var) && $var == floor($var))" will do the trick. I don't know if there's a better (more elegant) way. On Thu, Mar 14, 2013 at 3:09 PM, Matijn Woudt <tijnema@xxxxxxxxx> wrote: > On Thu, Mar 14, 2013 at 7:02 PM, georg <georg.chambert@xxxxxxxxx> wrote: > > > Hi, > > > > I have tried to find a way to check if a character string is possible to > > test whether it is convertible to an intger ! > > > > any suggestion ? > > > > BR georg > > > You could use is_numeric for that, though it also accepts floats. > > - Matijn >