How to merge array with custom value in laravel?

Question

I need help to concatenate 2 arrays with custom values, I've used tried array_merge() and array_combine(), the result is always not same with what I want please help me guys

Array 1

$month = [
'January',
'January',
'January',
'January',
'February'
];

Array 2

$weeks = [
'Week 1',
'Week 2',
'Week 3',
'Week 4',
'Week 1'
];

I want the output be like this

$newArray = [
'January - Week 1',
'January - Week 2',
'January - Week 3',
'January - Week 4',
'February - Week 1'
];

how to get the result like that

Is this what you're looking for ? sandbox.onlinephpfunctions.com?s=s7EvyCjg5VLJzc8ryVCwVYjm5VL3Ss… — executable
– executable, Commented Mar 28, 2022 at 8:25
Does this answer your question? How to concat two string arrays in Java — Fenil Patel
– Fenil Patel, Commented Mar 29, 2022 at 17:35

M. Eriksson · Accepted Answer · 2022-03-28 08:25:02Z

0

There isn't any function that will automatically give you the result you want. You need to iterate through the data and create it yourself:

$month = [
    'January',
    'January',
    'January',
    'January',
    'February'
];

$weeks = [
    'Week 1',
    'Week 2',
    'Week 3',
    'Week 4',
    'Week 1'
];

$newArray = [];

foreach ($month as $index => $value) {
    // Create the new string you want, using the same index for both arrays
    $newArray[] = $value . ' - ' . $weeks[$index];
}

Demo: https://3v4l.org/7qAoX

answered Mar 28, 2022 at 8:25

M. Eriksson

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Comments

Dip Ghosh · Accepted Answer · 2022-03-28 08:36:39Z

First of all, you are not combining here.YOu are just concating the two arrays. In Array combine, One will be the key and one will be the value at the output.The Following code will be the array combine in php :

$a = array('green', 'red', 'yellow');
$b = array('avocado', 'apple', 'banana');
$c = array_combine($a, $b);

print_r($c);

Output :

   Array(
    [green]  => avocado
    [red]    => apple
    [yellow] => banana
)

So here you can loop through the array and concate and finally push them into a new array.

$newArray = [];
foreach ($months as $key=>$month)
{
    foreach ($weeks as $keyWeek=>$week)
    {
        if($key == $keyWeek)
        {
            $value  = $month .'-'. $week;
           array_push($newArray,$value)
        }

    }
}

Or simply do this:

newArray = [];
foreach ($months as $key=>$month)
{
    $value  = $month .'-'. $weeks[$key];
    array_push($newArray,$value)
}

Hitesh Vaghani · Accepted Answer · 2022-03-28 12:00:38Z

0

You can combine this array values using array_map function,

It can give high performance than foreach loop.

$months = [
    'January',
    'January',
    'January',
    'January',
    'February'
];

$weeks = [
    'Week 1',
    'Week 2',
    'Week 3',
    'Week 4',
    'Week 1'
];

$newArray = array_map(function($index) use ($months, $weeks) {
    
    return $months[$index] . ' - ' . $weeks[$index];
    
}, array_keys($months));

echo '<pre>';
print_r($newArray);

Output:

Array
(
    [0] => January - Week 1
    [1] => January - Week 2
    [2] => January - Week 3
    [3] => January - Week 4
    [4] => February - Week 1
)

Demo: https://3v4l.org/ABJtf

answered Mar 28, 2022 at 12:00

Hitesh Vaghani

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