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<?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, to return only valid values. Works with
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* Faker\Generator\Base->valid()
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*
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* @mixin Generator
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*/
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class ValidGenerator
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{
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protected $generator;
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protected $validator;
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protected $maxRetries;
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/**
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* @param Extension|Generator $generator
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* @param callable|null $validator
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* @param int $maxRetries
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*/
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public function __construct($generator, $validator = null, $maxRetries = 10000)
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{
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if (null === $validator) {
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$validator = static function () {
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return true;
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};
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} elseif (!is_callable($validator)) {
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throw new \InvalidArgumentException('valid() only accepts callables as first argument');
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}
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$this->generator = $generator;
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$this->validator = $validator;
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$this->maxRetries = $maxRetries;
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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->validator, $this->maxRetries);
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}
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/**
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* Catch and proxy all generator calls but return only valid 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 valid 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, $arguments)
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{
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$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 valid value', $this->maxRetries));
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}
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} while (!call_user_func($this->validator, $res));
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return $res;
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}
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}
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