遍历关联数组 无 $arr=array('id'='2','friendship'='your life is too valuable to throw away','comes'=' i\'m gonna say yes--yes to love','num'=563,'make'='make up our minds to take the world as we find it');while($key=key($arr)){echo $key.'---
遍历关联数组 $arr=array('id'=>'2','friendship'=>'your life is too valuable to throw away','comes'=>' i\'m gonna say yes--yes to love','num'=>563,'make'=>'make up our minds to take the world as we find it');while($key=key($arr)){ echo $key.'---'.$arr[$key].'
'; next($arr);}// 注意：只能遍历关联数组