对php专用数组排序的类 ArraySortUtil感兴趣的小伙伴，下面一起跟随编程之家 jb51.cc的小编两巴掌来看看吧！
/**
* php专用数组排序的类 ArraySortUtil
* @param
* @author 编程之家 jb51.cc jb51.cc
* ArraySortUtil is a array sort utility,you can extends the sorting engine.
*
* @version 0.1
* @package utility.sort
*/
class ArraySortUtil
{
static function uasort($unsort,$fields)
{
if ( !is_array($unsort) || sizeof($unsort) <= 0 ) return $unsort;
$sorted = uasortEngine::uasort($unsort,$fields);
return $sorted;
}
static function multisort($unsort,$fields)
{
if ( !is_array($unsort) || sizeof($unsort) <= 0 ) return $unsort;
$sorted = multisortEngine::multisort($unsort,$fields);
return $sorted;
}
}
class multisortEngine
{
static function multisort($unsort,$fields)
{
$sorted = $unsort;
if (is_array($unsort))
{
$loadFields = array();
foreach($fields as $sortfield)
{
$loadFields[field][] = array(
name => $sortfield[field],order => $sortfield[order],nature => $sortfield[nature],caseSensitve => $sortfield[caseSensitve]
);
$loadFields[data][$field[field]] = array();
}
// Obtain a list of columns
foreach ($sorted as $key => $row) {
foreach($loadFields[field] as $field) {
$value = $row[$field[name]];
$loadFields[data][$field[name]][$key] = $value;
}
}
$parameters = array();
foreach($loadFields[field] as $sortfield) {
$array_data = $loadFields[data][$sortfield[name]];
$caseSensitve = ( $sortfield[caseSensitve] == null ) ? $sortfield[caseSensitve] : false;
if (!$caseSensitve) $array_data = array_map('strtolower',$array_data);
$parameters[] = $array_data;
if ( $sortfield[order] != null ) $parameters[] = ( $sortfield[order] ) ? SORT_DESC : SORT_ASC;
if ( $sortfield[nature] != null ) $parameters[] = ( $sortfield[nature] ) ? SORT_REGULAR : SORT_STRING;
}
$parameters[] = &$sorted;
call_user_func_array(array_multisort,$parameters);
}
return $sorted;
}
}
class uasortEngine
{
static private $caseSensitve = false;
static private $sortfields = array();
static private $sortorder = true;
static private $nature = false;
static private function uasort_callback(&$a,&$b)
{
foreach(self::$sortfields as $sortfield)
{
$_field = $sortfield[field];
$_order = isset($sortfield[order]) ? $sortfield[order] : self::$sortorder;
$_caseSensitve = isset($sortfield[caseSensitve]) ? $sortfield[caseSensitve] : self::$caseSensitve;
$_nature = isset($sortfield[nature]) ? $sortfield[nature] : self::$nature;
if ($_field != )
{
$retval = 0;
if ($_nature)
{
if ($_caseSensitve)
{
$compare = strnatcmp($a[$_field],$b[$_field]);
}
else
{
$compare = strnatcasecmp($a[$_field],$b[$_field]);
}
}
else
{
if ($_caseSensitve)
{
$compare = strcmp($a[$_field],$b[$_field]);
}
else
{
$compare = strcasecmp($a[$_field],$b[$_field]);
}
}
if ($compare !== 0 && !$_order) $compare = ($compare > 0) ? -1 : 1;
}
if ($compare !== 0) break;
}
return $compare;
}
static function uasort($unsort,$fields)
{
self::$sortfields = $fields;
$sorted = $unsort;
uasort($sorted,array('uasortEngine','uasort_callback'));
return $sorted;
}
}
/*** 来自编程之家 jb51.cc（jb51.cc） ***/
