What are some alternative approaches to storing decimal values in PHP to avoid precision issues with floats?

When dealing with decimal values in PHP, using floats can lead to precision issues due to the way floating-point numbers are represented in binary. To avoid these problems, one alternative approach is to use PHP's built-in `BCMath` extension, which provides arbitrary precision arithmetic functions for working with decimal numbers. 

// Using the BCMath extension to store decimal values with arbitrary precision
$number1 = '1.23456789';
$number2 = '9.87654321';

$sum = bcadd($number1, $number2, 8); // Perform addition with 8 decimal places of precision

echo $sum; // Output: 11.11111110

Keywords

decimal precision PHP BCMath GMP

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