I want to combine two arrays into single array by adding the duplicate values, for example,
$first = array('one','two','one');
$second = array(10,5,30);
Expected result would be,
$third = array(
'one' => 40,
'two' => 5
);
Here I have added the two numbers which is corresponded to repeated position.
Thanks in advance!
Try
$first = array('one','two','one');
$second = array(10,5,30);
$third = array();
foreach ($first as $f_k=>$f_v)
{
if(isset($new_array[$f_v]))
$third[$f_v] +=$second[$f_k];
else
$third[$f_v] = $second[$f_k];
}
print_r($third);
Make a new array and insert into the value of first as key and second as value, also make the addition on duplicate.
$first = array('one','two','one');
$second = array(10,5,30);
$third = array();
foreach($first as $k => $v){
if(isset($third[$v]))
$third[$v] += $second[$k];
else
$third[$v] = $second[$k];
}
print_r($third);
Simple solution using array_walk function:
$result = [];
array_walk($first, function($v, $k) use(&$result, $second){
$result[$v] = (isset($result[$v]))? ($result[$v] + $second[$k]) : $second[$k];
});
print_r($result);
The output:
Array
(
[one] => 40
[two] => 5
)
Simple and working code
<?php
$first = array('one','two','one');
$second = array(10,5,30);
$result = array_combine_($first ,$second );
echo $result;
function array_combine_($keys, $values)
{
$result = array();
foreach ($keys as $i => $k) {
$result[$k][] = $values[$i];
}
$result = myfunction($result);
return $result;
}
function myfunction($result)
{
foreach($result as $key=>$value)
{
if(is_array($value))
{
$new_array[$key] = array_sum($value);
}
else
{
$new_array[$key] = $value;
}
}
return $new_array;
}
?>
