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Hackerrank should enable GMP and BCMath functions on their PHP servers to enable PHP users solve problems involving big integers. These functions are integral part of PHP and they used to work before on their servers but suddenly started giving error messages "function not defined" when trying to use any of the functions. I think they did an upgrade and just forgot to enable the functions again.
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Hackerrank should enable GMP and BCMath functions on their PHP servers to enable PHP users solve problems involving big integers. These functions are integral part of PHP and they used to work before on their servers but suddenly started giving error messages "function not defined" when trying to use any of the functions. I think they did an upgrade and just forgot to enable the functions again.