How can PHP be used to calculate percentages and distribute them among summands accurately?

When calculating percentages and distributing them among summands in PHP, you can first calculate the total percentage value, then distribute this value among the summands proportionally based on their individual percentages. This can be achieved by multiplying each summand by its percentage and dividing by the total percentage value. 

$summands = [100, 200, 300]; // Initial summand values
$percentages = [20, 30, 50]; // Percentages corresponding to each summand

$totalPercentage = array_sum($percentages); // Calculate the total percentage value

foreach ($summands as $key => $summand) {
    $summands[$key] = ($summand * $percentages[$key]) / $totalPercentage; // Distribute percentage value among summands
}

print_r($summands); // Output the distributed summand values

Keywords

PHP calculate percentages distribute summands accuracy

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