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mt_getrandmax

(PHP 4, PHP 5, PHP 7, PHP 8)

mt_getrandmaxShow largest possible random value

Descripción

mt_getrandmax(): int

Returns the maximum value that can be returned by a call to mt_rand().

Parámetros

Esta función no tiene parámetros.

Valores devueltos

Returns the maximum random value returned by a call to mt_rand() without arguments, which is the maximum value that can be used for its max parameter without the result being scaled up (and therefore less random).

Ver también

  • mt_rand() - Generate a random value via the Mersenne Twister Random Number Generator
  • mt_srand() - Seeds the Mersenne Twister Random Number Generator
  • getrandmax() - Show largest possible random value

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bishop at php dot net
8 years ago
The upper-bound of this value is platform-independent. PHP implements the 32-bit version of the Mersenne Twister ("mt"), so the maximum possible value is 2**31 - 1 (2147483647).
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