PHP two multi-dimensional array combination traversal example sharing

This article mainly brings you an example of combined traversal of two multi-dimensional arrays in PHP. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor to take a look, I hope it can help everyone.

The example is as follows:

$res = $this->LoanRecord->searchloan($conditions,$columns,$page,$this->num,$user_id);
 foreach ($res[1] as $key => $value) {
  if(!empty($value['b']['id'])){
   $result_day = $this->LoanRecord ->getLastDay($value['b']['id']);
   $res[1][$key]['m'] = $result_day['m'];
  }
 }

Export the table and query separately, and query and traverse separately when writing to excel

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