Data Type Php

$Apple="Computer";
$shapes=array('S' => 'Cylinder',
              'N' => 'Rectangle',
              'A' => 'Sphere',
              'O' => 'Sphere',
              'P' => 'Rectangle');
extract($shapes,EXTR_PREFIX_ALL,"shapes");
echo "Apple is $Apple.";
echo "Shapes_Apple is $shapes_Apple";
echo "";
echo "Shapes_NotePad is $shapes_NotePad";
?>