What are the best practices for debugging PHP code that involves complex mathematical operations, such as division, to ensure accurate results?

When dealing with complex mathematical operations in PHP, especially division, it's important to ensure that the data types and precision are handled correctly to avoid inaccuracies. One best practice is to use the 'bcdiv' function in PHP, which allows for arbitrary precision decimal arithmetic. 

$numerator = '10';
$denominator = '3';
$precision = 10;

$result = bcdiv($numerator, $denominator, $precision);

echo $result; // Outputs: 3.3333333333

Keywords

debugging PHP mathematical operations division accuracy

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