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 {
32. $Arg = func_get_arg($I);
33. if(!eregi("SORT",$Arg))
34. {
35. $KeyNameList[] = $Arg;
36. $SortRule[] = '$'.$Arg;
37. }
38. else
39. {
40. $SortRule[] = $Arg;
41. }
42. }
44. // Get the values according to the keys and put them to array.
45. foreach($ArrayData AS $Key => $Info)
46. {
47. foreach($KeyNameList AS $KeyName)
48. {
49. ${$KeyName}[$Key] = $Info[$KeyName];
50. }
51. }
53. // Create the eval string and eval it.
54. $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
55. eval ($EvalString);
56. return $ArrayData;
57. }
60. //################# 示例 #################
61. $arr = array(
62. array(
63. 'name' => '学习',
64. 'size' => '1235',
65. 'type' => 'jpe',
66. 'time' => '1921-11-13',
67. 'class' => 'dd',
68. ),
69. array(
70. 'name' => '中国功夫',
71. 'size' => '153',
72. 'type' => 'jpe',
73. 'time' => '2005-11-13',
74. 'class' => 'jj',
75. ),
76. array(
77. 'name' => '编程',
78. 'size' => '35',
79. 'type' => 'gif',
80. 'time' => '1997-11-13',
81. 'class' => 'dd',
82. ),
83. array(
84. 'name' => '中国功夫',
85. 'size' => '65',
86. 'type' => 'jpe',
87. 'time' => '1925-02-13',
88. 'class' => 'yy',
89. ),
90. array(
91. 'name' => '中国功夫',
92. 'size' => '5',
93. 'type' => 'icon',
94. 'time' => '1967-12-13',
95. 'class' => 'rr',
96. ),
97. );
99. print_r($arr);
101. //注意：按照数字方式排序时 153 比 65 小
102. $temp = sysSortArray($arr,"name","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
104. print_r($temp);
105. ?>

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