What alternative approaches can be used to perform bitwise shifting on large numbers in PHP when traditional operators may not work as expected?

When dealing with large numbers in PHP, traditional bitwise shifting operators may not work as expected due to limitations in the underlying implementation. One alternative approach is to use the `gmp` extension in PHP, which provides functions for arbitrary precision arithmetic. By using `gmp`, we can perform bitwise shifting on large numbers without running into issues with overflow or unexpected results. 

$largeNumber = gmp_init("123456789012345678901234567890");
$shiftedNumber = gmp_shiftl($largeNumber, 2);

echo gmp_strval($shiftedNumber); // Output: 493827156049382715604938271560

Keywords

bitwise shifting large numbers alternative approaches PHP operators

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