Zouari Fourat wrote:
to Marek Kilimajer :
        $i='5.';
        if (($i>=1) && ($i<=20) && ($i==(int)$i))
                echo 'yes';

// yes
:'(


ok, then use regexp:

if (($i>=1) && ($i<=20) && regexp('^[0-9]+$', $i))

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