2014.01.19数组学习（2）

 1 <?php

 2    /*php数组的多种声明

 3      

 4    */

 5      header("content-type:text/html; charset=utf-8");

 6      //1.索引数组

 7      $user[0]=1;

 8      $user[1]="zhangshan";

 9      $user[2]="sex";

10      $user[3]=20;

11      echo"<pre>";

12      print_r($user);

13      //关联数组

14      $class["name"]="lee";

15      $class["age"]=20;

16      $class["sex"]="nan";

17      echo"<pre>";

18      echo$class;

19      //使用array（）函数声明

20      $user=array(1,"lee","nan");

21      //这种声明方式是默认为索引数组/

22      echo"<pre>";

23      print_r($user);

24      

25      //要想指定下标则需要使用键值符号=>

26      $user=array("id"=>1,1=>"lee","sex"=>"nan");

27      echo"<pre>";

28      print_r ($user);

29      //多维数组

30      $user=array(

31         

32         array(1,"zhansan","nan"),

33         //为第0个数组

34         array(2,"lisi","nan"),

35         //为第1个数组

36         array(3,"wwu","nan"),

37         //为第2个数组

38         );

39      echo $user[1][1];

40      //或者直接给里面的数组给下标

41       $user=array(

42         

43         "one"=>array(1,"zhansan","nan"),

44         //下标为one的数组

45         "two"=>array(2,"lisi","nan"),

46         //下标为two的数组

47         "three"=>array(3,"wwu","nan"),

48         //three

49         );

50      echo $user["two"][1];

51      

52      ?>

53