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<?php |
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namespace Edyan\Neuralyzer\Faker\Provider; |
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use Faker\Generator; |
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use Faker\Provider\Base; |
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/** |
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* Class UniqueWord |
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*/ |
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class UniqueWord extends Base |
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{ |
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/** @var int */ |
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private $nrOfWordsRequired; |
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/** @var string */ |
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private $language; |
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/** @var array */ |
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protected static $wordList = []; |
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/** |
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* UniqueWord constructor. |
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* |
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* @param Generator $generator |
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* @param int $nrOfWordsRequired |
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* @param string $language |
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*/ |
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public function __construct(Generator $generator, int $nrOfWordsRequired = 150, string $language = 'en_US') |
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{ |
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parent::__construct($generator); |
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$this->nrOfWordsRequired = $nrOfWordsRequired; |
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$this->language = $language; |
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} |
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/** |
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* Get a random element from the loaded dictionary. |
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* |
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* @return string |
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*/ |
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public function uniqueWord() |
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{ |
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$this->loadFullDictionary(); |
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return static::randomElement(static::$wordList); |
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} |
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/** |
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* Load the current language dictionary with a lot of words to always be able to get a unique value. |
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*/ |
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public function loadFullDictionary() |
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{ |
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static $loaded = false; |
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if ($loaded === true) { |
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return; |
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} |
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$numberOfWordsRequired = $this->nrOfWordsRequired * 2; // to cater for multiple loops to ensure uniqueness |
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if (\count(static::$wordList) >= $numberOfWordsRequired) { |
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return; |
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} |
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$file = __DIR__.DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR.'Dictionary'.DIRECTORY_SEPARATOR.$this->language; |
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if (!file_exists($file)) { |
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$loaded = true; |
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return; |
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} |
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$fp = fopen($file, 'rb'); |
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while (($line = fgets($fp, 4096)) !== false) { |
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if (strpos($line, '%') !== false) { |
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continue; |
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} |
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$word = trim($line); |
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if (!\in_array($word, static::$wordList, false)) { |
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static::$wordList[] = $word; |
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} |
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if (\count(static::$wordList) >= $numberOfWordsRequired) { |
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fclose($fp); |
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$loaded = true; |
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return; |
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} |
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} |
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fclose($fp); |
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$loaded = true; |
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echo 'Dictionary loaded'.PHP_EOL; |
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} |
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} |
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edyan /
neuralyzer
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: