PHP push missing weekdays with 0 total into array - php

Question

I need to buildup a graph with total sales for each day for last week, I did not get all 7 days data, rather getting 3 days data from database, I need to push rest of the 4days with total sales 0,
I have the following array of 3 days
Array
(
[0] => Array
(
[SalesDate] => Jun09
[total] => 4
)
[1] => Array
(
[SalesDate] => Jun11
[total] => 2
)
[2] => Array
(
[SalesDate] => Jun14
[total] => 1
)
)
but I need all 7days data from Jun09 to Jun15 like this
Array
(
[0] => Array
(
[SalesDate] => Jun09
[total] => 4
)
[1] => Array
(
[SalesDate] => Jun10
[total] => 0
)
[2] => Array
(
[SalesDate] => Jun11
[total] => 2
)
[3] => Array
(
[SalesDate] => Jun12
[total] => 0
)
[4] => Array
(
[SalesDate] => Jun13
[total] => 0
)
[5] => Array
(
[SalesDate] => Jun14
[total] => 1
)
[6] => Array
(
[SalesDate] => Jun15
[total] => 0
)
)
I have tried with following code, but not getting the required data.
<?php
$sales =array(array('SalesDate' => 'Jun09',
'total' => 4
),
array
(
'SalesDate' => 'Jun11',
'total' => 2
),
array
(
'SalesDate' => 'Jun14',
'total' => 1
)
);
$final_array = array();
foreach($sales as $sale)
{
for($i=7;$i>0;$i--)
{
$current_weeks =[];
if($sale['SalesDate'] ==date('Md', strtotime("-".$i." days")))
{
$week_days['SalesDate'] = $sale['SalesDate'];
$week_days['total'] = $sale['total'];
}
else
{
$week_days['SalesDate'] = date('Md', strtotime("-".$i." days"));
$week_days['total'] = 0;
}
$final_array[] =$week_days;
}
}

Answer 1

You could first create a 'skeleton' array that matches your source array $arr, but with all the previous seven days $prevSevenDays. The date format matches the source array's, the totals are all set to 0.
// build empty skeleton
$prevSevenDays = [];
for ($i = 7; $i > 0; $i--) {
$prevSevenDays[$i]['SalesDate'] = date('Md', strtotime("-$i days"));
$prevSevenDays[$i]['Total'] = 0;
}
All you have to do is cycle through this array to replace the entries with available data in your source array $arr.
foreach ($arr as $sales) {
foreach ($prevSevenDays as $key => $day) {
if ($sales['SalesDate'] === $day['SalesDate']) $prevSevenDays[$key]['Total'] = $sales['Total'];
}
}
demo