Convert exponential to a whole number in PHP

Question

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Convert exponential number to decimal in php

Is there a way to convert an exponential number to a whole number in PHP using built in functions? A format function?

1.2378147769392E+14 to 123781477693917

Answer 1

number_format(1.2378147769392E+14,0,'','')

However, for working with large numbers, if you want to keep precision, you should look into BCMath extension