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PHP 8.4.0 RC4 available for testing
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
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Functions
Classes and Objects
Namespaces
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Errors
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Fibers
Generators
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References Explained
Predefined Variables
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Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
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Installed as CGI binary
Installed as an Apache module
Session Security
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Geradores de números aleatórios e funções relacionadas à aleatoriedade
Introdução
Constantes pré-definidas
Exemplos
Funções Random
getrandmax
— Mostrar o maior valor aleatório possível
lcg_value
— Gerador congruente linear combinado
mt_getrandmax
— Mostra o maior valor aleatório possível
mt_rand
— Gera um valor aleatório através do Gerador de Números Aleatórios Mersenne Twister
mt_srand
— Semeia o Gerador de Números Aleatórios Mersenne Twister
rand
— Gera um número inteiro aleatório
random_bytes
— Obtém bytes aleatórios criptograficamente seguros
random_int
— Obtém um número inteiro selecionado uniformemente e criptograficamente seguro
srand
— Semeia o gerador de números aleatórios
Random\Randomizer
— A classe Random\Randomizer
Random\Randomizer::__construct
— Constructs a new Randomizer
Random\Randomizer::getBytes
— Get random bytes
Random\Randomizer::getBytesFromString
— Get random bytes from a source string
Random\Randomizer::getFloat
— Get a uniformly selected float
Random\Randomizer::getInt
— Get a uniformly selected integer
Random\Randomizer::nextFloat
— Get a float from the right-open interval [0.0, 1.0)
Random\Randomizer::nextInt
— Get a positive integer
Random\Randomizer::pickArrayKeys
— Select random array keys
Random\Randomizer::__serialize
— Serializes the Randomizer object
Random\Randomizer::shuffleArray
— Get a permutation of an array
Random\Randomizer::shuffleBytes
— Get a byte-wise permutation of a string
Random\Randomizer::__unserialize
— Deserializes the data parameter into a Randomizer object
Random\Engine
— The Random\Engine interface
Random\Engine::generate
— Gera aleatoriedade
Random\CryptoSafeEngine
— A interface Random\CryptoSafeEngine
Random\Engine\Secure
— A classe Random\Engine\Secure
Random\Engine\Secure::generate
— Generate cryptographically secure randomness
Random\Engine\Mt19937
— A classe Random\Engine\Mt19937
Random\Engine\Mt19937::__construct
— Constructs a new Mt19937 engine
Random\Engine\Mt19937::__debugInfo
— Returns the internal state of the engine
Random\Engine\Mt19937::generate
— Generate 32 bits of randomness
Random\Engine\Mt19937::__serialize
— Serializes the Mt19937 object
Random\Engine\Mt19937::__unserialize
— Deserializes the data parameter into a Mt19937 object
Random\Engine\PcgOneseq128XslRr64
— A classe Random\Engine\PcgOneseq128XslRr64
Random\Engine\PcgOneseq128XslRr64::__construct
— Constructs a new PCG Oneseq 128 XSL RR 64 engine
Random\Engine\PcgOneseq128XslRr64::__debugInfo
— Returns the internal state of the engine
Random\Engine\PcgOneseq128XslRr64::generate
— Generate 64 bits of randomness
Random\Engine\PcgOneseq128XslRr64::jump
— Efficiently move the engine ahead multiple steps
Random\Engine\PcgOneseq128XslRr64::__serialize
— Serializes the PcgOneseq128XslRr64 object
Random\Engine\PcgOneseq128XslRr64::__unserialize
— Deserializes the data parameter into a PcgOneseq128XslRr64 object
Random\Engine\Xoshiro256StarStar
— A classe Random\Engine\Xoshiro256StarStar
Random\Engine\Xoshiro256StarStar::__construct
— Constructs a new xoshiro256** engine
Random\Engine\Xoshiro256StarStar::__debugInfo
— Returns the internal state of the engine
Random\Engine\Xoshiro256StarStar::generate
— Generate 64 bits of randomness
Random\Engine\Xoshiro256StarStar::jump
— Efficiently move the engine ahead by 2^128 steps
Random\Engine\Xoshiro256StarStar::jumpLong
— Efficiently move the engine ahead by 2^192 steps
Random\Engine\Xoshiro256StarStar::__serialize
— Serializes the Xoshiro256StarStar object
Random\Engine\Xoshiro256StarStar::__unserialize
— Deserializes the data parameter into a Xoshiro256StarStar object
Random\RandomError
— A classe Random\RandomError
Random\BrokenRandomEngineError
— A classe Random\BrokenRandomEngineError
Random\RandomException
— A classe Random\RandomException
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