这种数据怎么合并啊？

Question

array(2) {  ["世华"] => array(2) {    [0] => array(3) {      ["company_name"] => string(6) "世华"      ["project"] => string(12) "华庭阳光"      ["count"] => int(1)    }    [1] => array(3) {      ["company_name"] => string(6) "世华"      ["project"] => string(9) "天籁福"      ["count"] => int(2)    }  }  ["百居"] => array(1) {    [0] => array(3) {      ["company_name"] => string(6) "百居"      ["project"] => string(9) "浅水湾"      ["count"] => int(1)    }  }}array(3) {  ["世华"] => array(4) {    [0] => array(2) {      ["project"] => string(9) "天籁福"      ["count"] => int(0)    }    [1] => array(2) {      ["project"] => string(12) "华庭阳光"      ["count"] => int(0)    }    [2] => array(2) {      ["project"] => string(12) "枕水小镇"      ["count"] => int(0)    }    [3] => array(2) {      ["project"] => string(12) "香江华府"      ["count"] => int(0)    }  }  ["家乐"] => array(4) {    [0] => array(2) {      ["project"] => string(9) "天籁福"      ["count"] => int(0)    }    [1] => array(2) {      ["project"] => string(12) "华庭阳光"      ["count"] => int(0)    }    [2] => array(2) {      ["project"] => string(12) "枕水小镇"      ["count"] => int(0)    }    [3] => array(2) {      ["project"] => string(12) "香江华府"      ["count"] => int(0)    }  }  ["百居"] => array(4) {    [0] => array(2) {      ["project"] => string(9) "天籁福"      ["count"] => int(0)    }   [1] => array(2) {      ["project"] => string(12) "华庭阳光"      ["count"] => int(0)    }    [2] => array(2) {      ["project"] => string(12) "枕水小镇"      ["count"] => int(0)    }    [3] => array(2) {      ["project"] => string(12) "香江华府"      ["count"] => int(0)    }  }}

Answer 1

合并啥？