- array_column: documentation ( source)
- array_search: documentation ( source)
- print_r: documentation ( source)
<?php
$Todaysales = array(
array("sale_time"=>"2017-09-10","payment_amount"=>1311.45),
array("sale_time"=>"2017-09-10","payment_amount"=>1311.46),
array("sale_time"=>"2017-09-10","payment_amount"=>175000.00),
);
$data = array();
foreach($Todaysales as $d)
{
$match_key =false;
$match_key = array_search($d['sale_time'],array_column($data, "cols"));
if($match_key > 0 || $match_key === 0)
$data[$match_key]["rows"] = $data[$match_key]["rows"] + $d['payment_amount'];
else
$data[] = array("cols"=>$d['sale_time'],"rows"=>$d['payment_amount']);
}
print_r($data);