"red","green"=>"green","white"=>"white"); $colors2 = &$colors1; $colors2["blue"] = "blue";//为数组$colors1和$colors2添加数组元素："blue"=>"blue" $colors2["red"] = "#FF0000";//修改数组$colors1和$colors2的元素值："red"=>"#FF0000" print_r($colors1); echo "
"; print_r($colors2); ?>