现有一数组
php code$a=array( 0=>array(3=>9), 1=>array(2=>9), 2=>array(6=>5), 3=>array(1=>15), 4=>array(2=>4),);
需要排序变为下面这样：
php code$b=array( 0=>array(1=>15), 1=>array(3=>9), 2=>array(2=>9), 3=>array(6=>5), 4=>array(2=>4), );
wish you all the best！
------解决方案--------------------
php code$a=array( 0=>array(3=>9), 1=>array(2=>9), 2=>array(6=>5), 3=>array(1=>15), 4=>array(2=>4),);foreach($a as $v) { $r[] = current($v); $k[] = key($v);}array_multisort($r, sort_desc, $k, sort_desc, $a);print_r($a);
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探讨
php code
$a=array(
0=>array(3=>9),
1=>array(2=>9),
2=>array(6=>5),
3=>array(1=>15),
4=>array(2=>4),
);
foreach($a as $v) {
$r[] = current($v);
$k[] = key($v);
}
……
------解决方案--------------------
受教了
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我的博客里正好有一个，相比起来1楼的就是小儿科
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不换药
php code……usort($a, create_function('$m, $n', 'return current($m)==current($n) ? (key($m)==key($n) ? 0 : key($m) array ( [1] => 15 ) [1] => array ( [3] => 9 ) [2] => array ( [2] => 9 ) [3] => array ( [6] => 5 ) [4] => array ( [2] => 4 ))/**/