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<?php
$array[] = array("id"=>20,"name"=>"li");
$array[] = array("id"=>21,"name"=>"ai");
$array[] = array("id"=>20,"name"=>"ci");
$array[] = array("id"=>22,"name"=>"di");
 
foreach ($array as $key=>$value){
 $age[$key] = $value['id'];
 
}
array_multisort($age,SORT_NUMERIC,SORT_ASC,$array);
print_r($array);
?>
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Array (
[0] => Array ( [id] => 20 [name] => ci )
[1] => Array ( [id] => 20 [name] => li )
[2] => Array ( [id] => 21 [name] => ai )
[3] => Array ( [id] => 22 [name] => di )
)
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SORT_DESC - °´½µÐòÅÅÁС£(Z-A)
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SORT_REGULAR - ĬÈÏ¡£½«Ã¿Ò»Ïî°´³£¹æË³ÐòÅÅÁС£
SORT_NUMERIC - ½«Ã¿Ò»Ïî°´Êý×Ö˳ÐòÅÅÁС£
SORT_STRING - ½«Ã¿Ò»Ïî°´×Öĸ˳ÐòÅÅÁС£
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array_multisort(array1,sorting order,sorting type,array2,array3...)
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array1
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sorting order
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sorting type
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array2
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array3
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function genpage(&$sql,$page_size=10)
{
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      $page = $_GET["page"];
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<?php
/**
* @author wyt
*
*/
class zip {
private $_zipObj=null;
private $_zipfcArr=array();
private $_basePath=null;
private $_zipName;
/**
* init
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*/
function __construct($zipName){
$this->_zipName=$zipName;
$this->_zipObj= ......

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