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<?php |
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namespace PragmaRX\Random; |
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class Random |
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{ |
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use Generators, CharCase; |
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const DEFAULT_STRING_SIZE = 16; |
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const DEFAULT_PATTERN = '[A-Za-z0-9]'; |
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protected $numeric = false; |
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protected $start = 0; |
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protected $end = PHP_INT_MAX; |
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protected $size = null; |
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protected $pattern = '[A-Za-z0-9]'; |
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/** |
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* Extract a string pattern from a string. |
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* |
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* @param $string |
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* @return string |
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*/ |
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protected function extractPattern($string) |
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{ |
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if (is_null($pattern = $this->getPattern())) { |
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return $string; |
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} |
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preg_match_all("/$pattern/", $string, $matches); |
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return implode('', $matches[0]); |
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} |
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/** |
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* Get numeric end. |
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* |
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* @return int |
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*/ |
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public function getEnd() |
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{ |
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return $this->end; |
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} |
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/** |
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* Get string pattern. |
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* |
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* @return string |
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*/ |
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public function getPattern() |
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{ |
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return $this->pattern; |
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} |
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/** |
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* Get string pattern. |
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* |
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* @return string |
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*/ |
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public function noPattern() |
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{ |
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$this->pattern = null; |
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return $this; |
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} |
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/** |
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* Get the final string size. |
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* |
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* @return integer |
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*/ |
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public function getSize() |
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{ |
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return $this->size ?: static::DEFAULT_STRING_SIZE; |
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} |
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/** |
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* Get numeric start. |
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* |
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* @return int |
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*/ |
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public function getStart() |
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{ |
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return $this->start; |
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} |
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/** |
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* Generate a random hex. |
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* |
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* @return string |
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*/ |
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public function hex() |
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{ |
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$this->pattern('[a-f0-9]')->uppercase(); |
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return $this; |
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} |
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/** |
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* Set string pattern. |
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* |
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* @param string $pattern |
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* @return $this |
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*/ |
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public function pattern($pattern) |
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{ |
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$this->pattern = $pattern; |
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return $this; |
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} |
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/** |
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* Trim string to expected size. |
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* |
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* @param $string |
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* @param int|null $size |
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* @return string |
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*/ |
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protected function trimToExpectedSize($string, $size = null) |
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{ |
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return substr($string, 0, $size ?: $this->getSize()); |
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} |
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/** |
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* Set result to numeric. |
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* |
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* @param bool $state |
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* @return $this |
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*/ |
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public function numeric($state = true) |
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{ |
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$this->numeric = $state; |
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return $this; |
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} |
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/** |
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* Set result to alpha. |
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* |
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* @param bool $state |
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* @return $this |
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*/ |
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public function alpha($state = true) |
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{ |
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$this->numeric = !$state; |
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return $this; |
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} |
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/** |
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* Set numeric end. |
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* |
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* @param int $end |
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* @return $this |
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*/ |
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1 |
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public function end($end) |
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{ |
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$this->end = $end; |
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return $this; |
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} |
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/** |
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* Set numeric start. |
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* |
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* @param int $start |
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* @return $this |
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*/ |
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public function start($start) |
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{ |
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$this->start = $start; |
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return $this; |
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} |
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/** |
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183
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* Set the return string size. |
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* |
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* @param $size |
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* @return $this |
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*/ |
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8 |
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public function size($size) |
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{ |
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8 |
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$this->size = $size; |
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8 |
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return $this; |
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} |
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195
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/** |
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196
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* Generate a more truly "random" alpha-numeric string. |
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* |
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* Extracted from Laravel Framework: Illuminate\Support\Str |
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* |
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* @return string|int |
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*/ |
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public function get() |
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{ |
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return $this->changeCase( |
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8 |
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$this->generate() |
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); |
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} |
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} |
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antonioribeiro /
random
