$bbbb=array("11"=>"aaa","22"=>"bbb");
//方式一:只能输出值value不能输出key
foreach($bbbb as $color)
echo $color;
//方法二:value与key都可输出
foreach($bbbb as $key=>$value)
echo $key."=>".$value;
//方法三:value与key都可输出
while($color=each($bbbb)){
echo $color['key'];
}
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