First test this array:<br>Array<br />
(<br />
    [0] => -1<br />
    [1] => 2.54<br />
    [2] => 40<br />
    [3] => -57<br />
    [4] => 3.14159<br />
    [5] => 1024<br />
    [6] => 41<br />
)<br />
<br />Test 'There is' / is_an_integer() <br />TRUE<br /><br />Test 'for all' / is_an_integer() <br />FALSE<br><br><hr><br>Now test this array:<br>Array<br />
(<br />
    [0] => -1<br />
    [1] => 0<br />
    [2] => 1<br />
    [3] => 2<br />
    [4] => 3<br />
)<br />
<br />Test 'There is' / is_an_integer() <br />TRUE<br /><br />Test 'for all' / is_an_integer() <br />TRUE<br /><br />Test 'There is' / is_positive() <br />TRUE<br /><br />Test 'for all' / is_positive() <br />FALSE<br><br><hr><br>Now test this array:<br>Array<br />
(<br />
    [0] => 1.1<br />
    [1] => 2.2<br />
    [2] => 3.3<br />
)<br />
<br />Test 'There is' / is_an_integer() <br />FALSE<br /><br />Test 'for all' / is_an_integer() <br />FALSE<br /><br />Test 'There is' / is_positive() <br />TRUE<br /><br />Test 'for all' / is_positive() <br />TRUE