0 ) {
if ( $i%2==0 ) echo '' ;
else echo '' ;
lineOfStars( $i ) ;
echo "
\n" ;
$i-- ;
}
// declare a function, function names are known throughout
function lineofStars( $howManyStars ) {
// $howManyStars is passed by value
while ( $howManyStars>0 ) {
echo "*" ;
$howManyStars-- ;
}
}
?>