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Performing calculations to a specified decimal point in PHP
Here are four PHP maths functions that might come in handy. If for instance you have to perform a simple addition, subtraction, division or multiplication, and want the result to be rounded to a specific decimal point, here is how you can do it: <?php //For additions echo "bcadd(16.01203234, 45.12032703, 4) = ".bcadd(16.01203234, 45.12032703, 4); echo "<br><br>"; //For subtractions echo "bcsub(16.01203234, 45.12032703, 4) = ".bcsub(16.01203234, 45.12032703, 4); echo "<br><br>"; //For multiplications echo "bcmul(16.01203234, 45.12032703, 4) = ".bcmul(16.01203234, 45.12032703, 4); echo "<br><br>"; //For divisions echo "bcdiv(16.01203234, 45.12032703, 4) = ".bcdiv(16.01203234, 45.12032703, 4); echo "<br><br>"; ?> The results: bcadd(16.01203234, 45.12032703, 4) = 61.1323 bcsub(16.01203234, 45.12032703, 4) = -29.1082 bcmul(16.01203234, 45.12032703, 4) = 722.4681 bcdiv(16.01203234, 45.12032703, 4) = 0.3548
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