PHP中二维数组的排序方法

haidong · 发表于 2010-2-24 13:37:25

<?php /** * @package BugFree * @version $Id: FunctionsMain.inc.php,v 1.32 2005/09/24 11:38:37 wwccss Exp $ * * * Sort an two-dimension array by some level two items use array_multisort() function. * * sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……) * @author Chunsheng Wang <wwccss@263.net> * @param array $ArrayData the array to sort. * @param string $KeyName1 the first item to sort by. * @param string $SortOrder1 the order to sort by("SORT_ASC"|"SORT_DESC") * @param string $SortType1 the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING") * @return array sorted array. */ function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR") { if(!is_array($ArrayData)) { return $ArrayData; } // Get args number. $ArgCount = func_num_args(); // Get keys to sort by_and_put them to SortRule array. for($I = 1;$I < $ArgCount;$I ++) { $Arg = func_get_arg($I); if(!eregi("SORT",$Arg)) { $KeyNameList[] = $Arg; $SortRule[] = '$'.$Arg; } else { $SortRule[] = $Arg; } } // Get the values according to the keys_and_put them to array. foreach($ArrayData AS $Key => $Info) { foreach($KeyNameList AS $KeyName) { ${$KeyName}[$Key] = $Info[$KeyName]; } } // Create the eval string_and_eval it. $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);'; eval ($EvalString); return $ArrayData; } //################# 示例 ################# $arr = array( array( 'name' => '学习', 'size' => '1235', 'type' => 'jpe', 'time' => '1921-11-13', 'class' => 'dd', ), array( 'name' => '中国功夫', 'size' => '153', 'type' => 'jpe', 'time' => '2005-11-13', 'class' => 'jj', ), array( 'name' => '编程', 'size' => '35', 'type' => 'gif', 'time' => '1997-11-13', 'class' => 'dd', ), array( 'name' => '中国功夫', 'size' => '65', 'type' => 'jpe', 'time' => '1925-02-13', 'class' => 'yy', ), array( 'name' => '中国功夫', 'size' => '5', 'type' => 'icon', 'time' => '1967-12-13', 'class' => 'rr', ), ); print_r($arr); //注意：按照数字方式排序时 153 比 65 小 $temp = sysSortArray($arr,"name","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING"); print_r($temp); ?>

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PHP中二维数组的排序方法

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