PHP two-dimensional array ordering example

Example, php two-dimensional array sorting code. Description: A two-dimensional array ordering method in PHP Finishing: http://bbs.it-home.org /** * @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 the use Array_multisort () function. * * Syssortarray ($Array, "Key1", "Sort_asc", "Sort_retular", "Key2" ...) * @author Chunsheng Wang * @param array $ArrayData the array to sort. * @param string $KeyName 1 The first item to sort by. * @param string $SortOrder 1 The order to sort by ("Sort_asc" | " Sort_desc ") * @param string $SortType 1 the Sort type ("Sort_regular" | " Sort_numeric "|" Sort_string ") * @return Array sorted array. */ function Syssortarray ($ArrayData, $KeyName 1, $SortOrder 1 = "Sort_asc", $SortType 1 = "Sort_regular") { if (!is_array ($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; } ################# Example ################# $arr = Array ( Array ' Name ' = ' Learn ', ' Size ' = ' 1235 ', ' Type ' = ' jpe ', ' Time ' = ' 1921-11-13 ', ' Class ' = ' DD ', ), Array ' Name ' = ' Chinese Kung fu ', ' Size ' = ' 153 ', ' Type ' = ' jpe ', ' Time ' = ' 2005-11-13 ', ' Class ' = ' JJ ', ), Array ' Name ' = ' programming ', ' Size ' = ' 35 ', ' Type ' = ' gif ', ' Time ' = ' 1997-11-13 ', ' Class ' = ' DD ', ), Array ' Name ' = ' Chinese Kung fu ', ' Size ' = ' 65 ', ' Type ' = ' jpe ', ' Time ' = ' 1925-02-13 ', ' Class ' = ' yy ', ), Array ' Name ' = ' Chinese Kung fu ', ' Size ' = ' 5 ', ' Type ' = ' icon ', ' Time ' = ' 1967-12-13 ', ' Class ' = ' rr ', ), ); Print_r ($arr); Note: When sorting by number 153:65 Small $temp = Syssortarray ($arr, "name", "Sort_asc", "type", "Sort_desc", "size", "Sort_asc", "sort_string"); Print_r ($temp); ?> Copy Code

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