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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Faker;
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use Faker\Extension\Extension;
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/**
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 * Proxy for other generators that returns only unique values.
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 *
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 * Instantiated through @see Generator::unique().
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 *
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 * @mixin Generator
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 */
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class UniqueGenerator
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{
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    protected $generator;
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    protected $maxRetries;
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    /**
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     * Maps from method names to a map with serialized result keys.
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     *
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     * @example [
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     *   'phone' => ['0123' => null],
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     *   'city' => ['London' => null, 'Tokyo' => null],
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     * ]
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     *
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     * @var array<string, array<string, null>>
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     */
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    protected $uniques = [];
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    /**
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     * @param Extension|Generator                $generator
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     * @param int                                $maxRetries
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     * @param array<string, array<string, null>> $uniques
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     */
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    public function __construct($generator, $maxRetries = 10000, &$uniques = [])
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    {
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        $this->generator = $generator;
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        $this->maxRetries = $maxRetries;
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        $this->uniques = &$uniques;
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    }
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    public function ext(string $id)
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    {
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        return new self($this->generator->ext($id), $this->maxRetries, $this->uniques);
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    }
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    /**
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     * Catch and proxy all generator calls but return only unique values
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     *
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     * @param string $attribute
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     *
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     * @deprecated Use a method instead.
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     */
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    public function __get($attribute)
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    {
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        trigger_deprecation('fakerphp/faker', '1.14', 'Accessing property "%s" is deprecated, use "%s()" instead.', $attribute, $attribute);
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        return $this->__call($attribute, []);
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    }
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    /**
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     * Catch and proxy all generator calls with arguments but return only unique values
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     *
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     * @param string $name
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     * @param array  $arguments
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     */
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    public function __call($name, $arguments)
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    {
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        if (!isset($this->uniques[$name])) {
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            $this->uniques[$name] = [];
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        }
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        $i = 0;
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        do {
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            $res = call_user_func_array([$this->generator, $name], $arguments);
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            ++$i;
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            if ($i > $this->maxRetries) {
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                throw new \OverflowException(sprintf('Maximum retries of %d reached without finding a unique value', $this->maxRetries));
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            }
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        } while (array_key_exists(serialize($res), $this->uniques[$name]));
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        $this->uniques[$name][serialize($res)] = null;
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        return $res;
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    }
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}