update array values from other array data without changing the array structure

Question

I have this example php array

array [
    [0] => array [
                   month1=> 'qwe',
                   month2 => 'rty' 
                   month3 => '' 
                 ],
    [1] => array [
                   month1=> 'asd',
                   month2 => 'fgh' 
                   month3 => '' 
                 ],
    [2] => array [
                   month1=> 'zxc',
                   month2 => 'vbn' 
                   month3 => '' 
                 ]
]

I want to change the old month3 data with the new month3 data, without changing the old array structure

array [
    [0] => array [
                  month1=> 'qwe',
                   month2 => 'rty' 
                   month3 => 'uio' 
                 ],
    [1] => array [
                   month1=> 'asd',
                   month2 => 'fgh' 
                   month3 => 'jkl' 
                 ]
     [2] => array [
                   month1=> 'zxc',
                   month2 => 'vbn' 
                   month3 => 'nm' 
                 ]
    ]

this my php code:

    foreach ($tempsell1 as $id =>$pen){ 
        $sell[$id] =   
        [
            'month1' => $pen->month1,
            'month2' => $pen->month2,
            'month3' => '',
        ];
    }
    foreach ($tempsell2 as $id => $pen){ 
        $sell[$id]= [
            'month3' => $pen->month3,
        ];
    }
    dd($sell);

the expected result is not the same what I want, please help, thank you

Death-is-the-real-truth · Accepted Answer · 2022-09-05 04:31:02Z

1

No need of two foreach()

foreach ($tempsell1 as $id =>$pen){ 
        $sell[$id] =   
        [
            'month1' => $pen->month1,
            'month2' => $pen->month2,
            'month3' => isset($tempsell2[$id]->month3) ? $tempsell2[$id]->month3 : $tempsell1[$id]->month3, // use key of first array to get data from second array
        ];
    }
   
    dd($sell);

edited Sep 5, 2022 at 4:31

answered Sep 5, 2022 at 4:27

Death-is-the-real-truth

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1 Comment

Death-is-the-real-truth Over a year ago

@FaizalAnwar I am glad to help you.

Jun Pan · Accepted Answer · 2022-09-05 04:30:40Z

1

In my opinion, you want to change the value of the key 'month3' in a two-dimensional array.

In your case, you can do it like this $sell[$id]['month3']= $value;

Below is the updated version of your code.

  foreach ($tempsell1 as $id =>$pen){ 
        $sell[$id] =   
        [
            'month1' => $pen->month1,
            'month2' => $pen->month2,
            'month3' => '',
        ];
    }
    foreach ($tempsell2 as $id => $pen){ 
        // 'month3' is the key
        $sell[$id]['month3']= $pen->month3;
    }
    dd($sell);

answered Sep 5, 2022 at 4:30

Jun Pan

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1 Comment

Faizal Anwar Over a year ago

This step is also correct, thank you

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