Modify array during multiple foreach loop iterations

Question

I've to update data for array which has 4 foreach loops,

     foreach ($dta['hotels']['hotels'] as $key => &$value) {
      foreach ($value['rooms'] as $key1 => $value1) {
        foreach ($value1['rates'] as $key2 => $value2) {
          foreach ($value2['shiftRates'] as $key3 => &$value3) {
            $value3['net'] = 0.000072*$value3['net'];
            $value3['sellingRate'] = 0.000072*$value3['sellingRate'];
            var_dump($value3['sellingRate']);
          }
        }
      }
      $value['currency'] = 'USD';
    }

I want to update data of very deep 4th foreach loop, which isn't updating data, where as first loop data update was possible.

i've tried to put "&" but in first loop it worked and in 4th loop it's not working.

Any possible solutions ?

Simon Leblanc · Accepted Answer · 2019-12-18 16:28:03Z

2

You have all keys, you can use these to modify your values :

$dta['hotels']['hotels'][$key]['rooms'][$key1]['rates'][$key2]['shiftRates'][$key3]['sellingRate'] = 0.000072 * $value3['sellingRate'];

answered Dec 18, 2019 at 16:28

Simon Leblanc

515 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Don't Panic · Accepted Answer · 2019-12-18 17:08:38Z

0

As long as there are no other net or sellingRate keys somewhere else in the array that you don't want to modify, you can do this more simply with array_walk_recursive.

array_walk_recursive($dta, function(&$value, $key) {
    if ($key === 'net' || $key === 'sellingRate') {
        $value *= 0.000072;
    }
});

answered Dec 18, 2019 at 17:08

Don't Panic

41.9k11 gold badges70 silver badges87 bronze badges

Collectives™ on Stack Overflow

Modify array during multiple foreach loop iterations

2 Answers 2

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related