PHP Each() 함수의 작은 예

//学习each()函数的用法
$prices=Array('Tries' => 100, 'Oil' => 10, 'Spank Plugs' => 4)
while($elements = each($prices)){
　　echo $elements['key'];  //echo $elements[0];
　　echo " - ";
　　echo $elements['value'];   //echo $element[1];
　　echo "";
}

输出结果： Tires-100 Oil-10 Spank Plugs-4