$arr = Array ( [0] => aaa 2 [1] => bbb 1 [2] => ccc 3);
请问如何以每一列的后面的数字2,1,3排序,想排序之后结果变成
$arr = Array ( [0] => bbb 1 [1] => aaa 2[2] => ccc 3);请各位赐教,感激不尽!
请问如何以每一列的后面的数字2,1,3排序,想排序之后结果变成
$arr = Array ( [0] => bbb 1 [1] => aaa 2[2] => ccc 3);请各位赐教,感激不尽!
$arr = array ( 0 => 'aaa 2', 1 => 'bbb 1', 2 => 'ccc 3'); foreach($arr as $v) {
$r[] = array_pop(split(' ', $v));
}
array_multisort($r, $arr);print_r($arr);
?>
Array
(
[0] => bbb 1
[1] => aaa 2
[2] => ccc 3
)
function sort_($a, $b)
{
if ($a[1] == $b[1]) return 0;
return ($a[1] < $b[1]) ? -1 : 1;
}
usort($arr, 'sort_');
print_r($arr);
运行结果:
Array
(
[0] => Array
(
[0] => bbb
[1] => 1
) [1] => Array
(
[0] => aaa
[1] => 2
) [2] => Array
(
[0] => ccc
[1] => 3
))
$arr = array ( 0 => 'aaa d 2 c', 1 => 'bbb d 1 e', 2 => 'ccc ww 3 ad');
还是想排序成$arr = array ( 0 => 'bbb d 1 e''aaa d 2 c', 1 => 'aaa d 2 c', 2 => 'ccc ww 3 ad');
这个还好说
$arr = array ( 0 => 'bbb d 1 e 456', 1 => 'aaa d 2 c 218', 2 => 'ccc ww 3 ad 100 ww 1000');
这样的你又想怎么处理?
是想把$arr = array ( 0 => 'aaa d 2 c', 1 => 'bbb d 1 e', 2 => 'ccc ww 3 ad');
排序成$arr = array ( 0 => 'bbb d 1 e', 1 => 'aaa d 2 c', 2 => 'ccc ww 3 ad');