array (size=3)
0 =>
array (size=1)
'bid' => string '30' (length=2)
1 =>
array (size=1)
'bid' => string '38' (length=2)
2 =>
array (size=1)
'bid' => string '39' (length=2)把上面数组组合成这样，组合到一起 0 => string '38' (length=2)
1 => string '39' (length=2)
2 => string '30' (length=2) 最佳答案
