The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
GMP_ROUND_ZERO
(int)
GMP_ROUND_PLUSINF
(int)
GMP_ROUND_MINUSINF
(int)
GMP_MSW_FIRST
(int)
GMP_LSW_FIRST
(int)
GMP_LITTLE_ENDIAN
(int)
GMP_BIG_ENDIAN
(int)
GMP_NATIVE_ENDIAN
(int)
GMP_VERSION
(string)