What are the advantages of using bcmath in PHP for percentage calculations?

When performing percentage calculations in PHP, using the bcmath extension is advantageous as it allows for precise decimal arithmetic without the limitations of standard floating-point numbers. This is particularly useful when dealing with financial calculations or situations where accuracy is crucial. 

// Example of using bcmath for percentage calculations
$number = '100';
$percentage = '25'; // 25%
$precision = 2; // Number of decimal places

$result = bcmul($number, bcdiv($percentage, '100', $precision), $precision);

echo $result; // Output: 25.00

Keywords

bcmath PHP percentage calculations advantages precision

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