php二维数组排序示例

例子，php二维数组排序代码。

2. // 说明：PHP中二维数组的排序方法
3. // 整理：http://bbs.it-home.org
5. /**
6. * @package BugFree
7. * @version $Id: FunctionsMain.inc.php,v 1.32 2005/09/24 11:38:37 wwccss Exp $
8. *
9. *
10. * Sort an two-dimension array by some level two items use array_multisort() function.
11. *
12. * sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……)
13. * @author Chunsheng Wang
14. * @param array $ArrayData the array to sort.
15. * @param string $KeyName1 the first item to sort by.
16. * @param string $SortOrder1 the order to sort by("SORT_ASC"|"SORT_DESC")
17. * @param string $SortType1 the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING")
18. * @return array sorted array.
19. */
20. function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR")
21. {
22. if(!is_array($ArrayData))
23. {
24. return $ArrayData;
25. }
27. // Get args number.
28. $ArgCount = func_num_args();
30. // Get keys to sort by and put them to SortRule array.
31. for($I = 1;$I < $ArgCount;$I ++)
32. {
33. $Arg = func_get_arg($I);
34. if(!eregi("SORT",$Arg))
35. {
36. $KeyNameList[] = $Arg;
37. $SortRule[] = '$'.$Arg;
38. }
39. else
40. {
41. $SortRule[] = $Arg;
42. }
43. }
45. // Get the values according to the keys and put them to array.
46. foreach($ArrayData AS $Key => $Info)
47. {
48. foreach($KeyNameList AS $KeyName)
49. {
50. ${$KeyName}[$Key] = $Info[$KeyName];
51. }
52. }
54. // Create the eval string and eval it.
55. $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
56. eval ($EvalString);
57. return $ArrayData;
58. }
61. //################# 示例 #################
62. $arr = array(
63. array(
64. 'name' => '学习',
65. 'size' => '1235',
66. 'type' => 'jpe',
67. 'time' => '1921-11-13',
68. 'class' => 'dd',
69. ),
70. array(
71. 'name' => '中国功夫',
72. 'size' => '153',
73. 'type' => 'jpe',
74. 'time' => '2005-11-13',
75. 'class' => 'jj',
76. ),
77. array(
78. 'name' => '编程',
79. 'size' => '35',
80. 'type' => 'gif',
81. 'time' => '1997-11-13',
82. 'class' => 'dd',
83. ),
84. array(
85. 'name' => '中国功夫',
86. 'size' => '65',
87. 'type' => 'jpe',
88. 'time' => '1925-02-13',
89. 'class' => 'yy',
90. ),
91. array(
92. 'name' => '中国功夫',
93. 'size' => '5',
94. 'type' => 'icon',
95. 'time' => '1967-12-13',
96. 'class' => 'rr',
97. ),
98. );
100. print_r($arr);
102. //注意：按照数字方式排序时 153 比 65 小
103. $temp = sysSortArray($arr,"name","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
105. print_r($temp);
106. ?>