<?php
$products = array("Sensodyne-100, CloseUp-150, Colgate-135",
"Safeguard-80, Protex-50, Kojic-135",
"Surf-280 ,Ariel-350, Tide-635",
"Clover-60, Piattos-20, Chippy-35",
"Jellybean-60, Hany-20, Starr-35");
$total = 0;
foreach($products as $value => $key) {
$key = $key . ",";
$bb = implode(",", $products);
}
$cc = explode(",", $bb);
foreach($cc as $val) {
$tmp = explode( '-', $val );
$arr[ $tmp[0] ] = $tmp[1];
}
$test = array_chunk($arr, 3, true);
echo "<strong>Cheapest:</strong>";
for($i = 0; $i < count($test); $i++) {
asort($test[$i]);
foreach($test[$i] as $val => $key) {
echo " $val-$key ";
if($test[$i == 1]) {
$total = $total + intval($key);
break;
}
}
}
echo "<br> <strong>Total</strong>: $total";