<?php
$intersecting_arrays = Array (
0 => Array ( 'one' => 10, 'two' => 20, 'three' => 50, 'four' => 80, 'five' => 100 ),
1 => Array ( 'three' => 20, 'five' => 20, 'six' => 100, 'seven' => 10 ),
2 => Array ( 'one' => 30, 'three' => 30, 'five' => 10, 'eight' => 10 )
);
$temp = $intersecting_arrays[0];
for($i = 1; $i < count($intersecting_arrays); $i++) {
$temp = array_intersect_key($temp, $intersecting_arrays[$i]);
}
$result = Array();
foreach(array_keys($temp) as $key => $val) {
$value = 0;
foreach($intersecting_arrays as $val1) {
$value+= $val1[$val];
}
$result[$key] = $value;
}
print_r($temp);
print_r($result);
preferences:
53.2 ms | 402 KiB | 5 Q