俺様用メモ。
$arr = array(
array("0", "2"),
array("2", "0"),
array("2", "1"),
array("1", "2"),
array("0", "2"),
array("1", "1"),
array("0", "0"),
array("0", "1"),
array("2", "2"),
array("1", "0")
);
usort($arr, create_function('$a, $b', 'return ($a[0] < $b[0])? -1: (($a[0] == $b[0])? (($a[1] > $b[1]? -1: (($a[1] == $b[1])? 0: 1))): 1);'));
print_r($arr);
結果:
Array
(
[0] => Array([0] => 0, [1] => 2)
[1] => Array([0] => 0, [1] => 2)
[2] => Array([0] => 0, [1] => 1)
[3] => Array([0] => 0, [1] => 0)
[4] => Array([0] => 1, [1] => 2)
[5] => Array([0] => 1, [1] => 1)
[6] => Array([0] => 1, [1] => 0)
[7] => Array([0] => 2, [1] => 2)
[8] => Array([0] => 2, [1] => 1)
[9] => Array([0] => 2, [1] => 0)
)
こういう可読性の低いコード書いて、毎回後から後悔するんですが。