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                <?php
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                /**
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                 * File copied from Waavi/Sanitizer https://github.com/waavi/sanitizer
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                 * Sanitization functionality to be customized within this project before a 1.0 release.
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                 */
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                namespace PerfectOblivion\Valid\Sanitizer\Laravel;
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                use Closure;
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                use InvalidArgumentException;
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                use PerfectOblivion\Valid\Sanitizer\Sanitizer;
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                use PerfectOblivion\Valid\Sanitizer\Contracts\Filter;
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                class Factory
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                {
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                    /** @var array */
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                    protected $customFilters;
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                    /**
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                     * Create a new Sanitizer factory instance.
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                     */
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                    public function __construct()
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                    {
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                        $this->customFilters = [];
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                    }
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                    /**
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                     * Create a new Sanitizer instance
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                     *
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                     * @param  array  $data       Data to be sanitized
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                     * @param  array  $rules      Filters to be applied to the given data
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                     *
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                     * @return Sanitizer
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                     */
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                    public function make(array $data, array $rules)
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                    {
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                        $sanitizer = new Sanitizer($data, $rules, $this->customFilters);
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                        return $sanitizer;
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                    }
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                    /**
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                     *  Add a custom filters to all Sanitizers created with this Factory.
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                     *
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                     *  @param  string  $name  Name of the filter
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                     *  @param  mixed  $extension  Either the full class name of a Filter class implementing the Filter contract, or a Closure.
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                     *
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                     *  @throws InvalidArgumentException
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                     */
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                    public function extend($name, $customFilter)
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                    {
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                        if (empty($name) || ! is_string($name)) {
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                            throw new InvalidArgumentException('The Sanitizer filter name must be a non-empty string.');
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                        }
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                        if (! ($customFilter instanceof Closure) && ! in_array(Filter::class, class_implements($customFilter))) {
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                            throw new InvalidArgumentException('Custom filter must be a Closure or a class implementing the Waavi\Sanitizer\Contracts\Filter interface.');
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                        }
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                        $this->customFilters[$name] = $customFilter;
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                    }
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                }
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.