KiloBug's Blog

/* 数组排序 */
function array_sort( $data, $order = array() ) {
	if( !$data || !$order ) return $data;
 
	$arglist = array();
	foreach($data as $k => $v)
		foreach($order as $k2 => $v2) {
			if( !isset($arglist[$k2]) ) $arglist[$k2] = array();
			$arglist[$k2][$k] = $v[$k2];
		}
 
	$argstr = '';
	foreach( $order as $k => $v )
		$argstr .= ',$arglist[\''.$k.'\'], SORT_'.$v;
	$argstr{0} = ' ';
 
	eval('array_multisort('.$argstr.',$data);');
	return $data;
}

$array = array(
    array(
        'uid' => 100,
        'username' => 'kilobug',
    ),
    array(
        'uid' => 99,
        'username' => 'kilobug',
    ),
    ....
);
$array = array_sort($array, array('uid' => 'DESC', 'username' => 'ASC'));
var_dump($array);