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<?php |
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/** |
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* Trait implementation of arbitrary base formats generation for generator services. |
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*/ |
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namespace CryptoManana\Core\Traits\Randomness; |
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use \CryptoManana\Core\StringBuilder as StringBuilder; |
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/** |
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* Trait ArbitraryBaseOutputTrait - Reusable implementation of `ArbitraryBaseOutputInterface`. |
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* |
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* @see \CryptoManana\Core\Interfaces\Randomness\ArbitraryBaseOutputInterface The abstract specification. |
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* |
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* @package CryptoManana\Core\Traits\Randomness |
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*/ |
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trait ArbitraryBaseOutputTrait |
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{ |
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/** |
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* Generate a random boolean. |
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* |
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* @return bool Randomly generated boolean value. |
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* @throws \Exception Validation errors. |
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*/ |
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public function getBool() |
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{ |
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return $this->getInt() % 2 === 0; |
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} |
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/** |
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* Generate a random ternary format (-1, 0, 1). |
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* |
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* Note: Passing `false` to the `$asInteger` parameter will convert values to `null`, `false` and `true`. |
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* |
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* @param bool|int $asInteger Flag for returning as integer (default => true). |
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* |
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* @return bool|int Randomly generated ternary value. |
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* @throws \Exception Validation errors. |
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*/ |
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public function getTernary($asInteger = true) |
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{ |
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$ternary = $this->getInt(-1, 1); |
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if ($asInteger) { |
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return $ternary; |
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} else { |
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switch ($ternary) { |
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case 1: |
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return true; |
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case -1: |
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return null; |
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default: // case 0: |
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return false; |
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} |
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} |
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} |
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/** |
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* Generate a random HEX string. |
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* |
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* @param int $length The output string length (default => 1). |
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* @param bool $upperCase Flag for using uppercase output (default => false). |
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* |
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* @return string Randomly generated HEX string. |
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* @throws \Exception Validation errors. |
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*/ |
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public function getHex($length = 1, $upperCase = false) |
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{ |
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$hexString = bin2hex($this->getBytes($length)); |
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return ($upperCase) ? StringBuilder::stringToUpper($hexString) : $hexString; |
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} |
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/** |
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* Generate a random Base64 string. |
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* |
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* @param int $length The internal byte string length (default => 1). |
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* @param bool $urlFriendly Flag for using URL friendly output (default => false). |
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* |
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* @return string Randomly generated Base64 RFC 4648 standard string. |
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* @throws \Exception Validation errors. |
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*/ |
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public function getBase64($length = 1, $urlFriendly = false) |
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{ |
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$base64 = base64_encode($this->getBytes($length)); |
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if ($urlFriendly) { |
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return StringBuilder::stringReplace(['+', '/', '='], ['-', '_', ''], $base64); |
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} else { |
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return $base64; |
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} |
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} |
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} |
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TonyKaravasilev /
CryptoManana
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