| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228 | <?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Component\HttpFoundation;use Symfony\Component\HttpFoundation\Exception\BadRequestException;/** * ParameterBag is a container for key/value pairs. * * @author Fabien Potencier <fabien@symfony.com> * * @implements \IteratorAggregate<string, mixed> */class ParameterBag implements \IteratorAggregate, \Countable{    /**     * Parameter storage.     */    protected $parameters;    public function __construct(array $parameters = [])    {        $this->parameters = $parameters;    }    /**     * Returns the parameters.     *     * @param string|null $key The name of the parameter to return or null to get them all     *     * @return array     */    public function all(/* string $key = null */)    {        $key = \func_num_args() > 0 ? func_get_arg(0) : null;        if (null === $key) {            return $this->parameters;        }        if (!\is_array($value = $this->parameters[$key] ?? [])) {            throw new BadRequestException(sprintf('Unexpected value for parameter "%s": expecting "array", got "%s".', $key, get_debug_type($value)));        }        return $value;    }    /**     * Returns the parameter keys.     *     * @return array     */    public function keys()    {        return array_keys($this->parameters);    }    /**     * Replaces the current parameters by a new set.     */    public function replace(array $parameters = [])    {        $this->parameters = $parameters;    }    /**     * Adds parameters.     */    public function add(array $parameters = [])    {        $this->parameters = array_replace($this->parameters, $parameters);    }    /**     * Returns a parameter by name.     *     * @param mixed $default The default value if the parameter key does not exist     *     * @return mixed     */    public function get(string $key, $default = null)    {        return \array_key_exists($key, $this->parameters) ? $this->parameters[$key] : $default;    }    /**     * Sets a parameter by name.     *     * @param mixed $value The value     */    public function set(string $key, $value)    {        $this->parameters[$key] = $value;    }    /**     * Returns true if the parameter is defined.     *     * @return bool     */    public function has(string $key)    {        return \array_key_exists($key, $this->parameters);    }    /**     * Removes a parameter.     */    public function remove(string $key)    {        unset($this->parameters[$key]);    }    /**     * Returns the alphabetic characters of the parameter value.     *     * @return string     */    public function getAlpha(string $key, string $default = '')    {        return preg_replace('/[^[:alpha:]]/', '', $this->get($key, $default));    }    /**     * Returns the alphabetic characters and digits of the parameter value.     *     * @return string     */    public function getAlnum(string $key, string $default = '')    {        return preg_replace('/[^[:alnum:]]/', '', $this->get($key, $default));    }    /**     * Returns the digits of the parameter value.     *     * @return string     */    public function getDigits(string $key, string $default = '')    {        // we need to remove - and + because they're allowed in the filter        return str_replace(['-', '+'], '', $this->filter($key, $default, \FILTER_SANITIZE_NUMBER_INT));    }    /**     * Returns the parameter value converted to integer.     *     * @return int     */    public function getInt(string $key, int $default = 0)    {        return (int) $this->get($key, $default);    }    /**     * Returns the parameter value converted to boolean.     *     * @return bool     */    public function getBoolean(string $key, bool $default = false)    {        return $this->filter($key, $default, \FILTER_VALIDATE_BOOLEAN);    }    /**     * Filter key.     *     * @param mixed $default Default = null     * @param int   $filter  FILTER_* constant     * @param mixed $options Filter options     *     * @see https://php.net/filter-var     *     * @return mixed     */    public function filter(string $key, $default = null, int $filter = \FILTER_DEFAULT, $options = [])    {        $value = $this->get($key, $default);        // Always turn $options into an array - this allows filter_var option shortcuts.        if (!\is_array($options) && $options) {            $options = ['flags' => $options];        }        // Add a convenience check for arrays.        if (\is_array($value) && !isset($options['flags'])) {            $options['flags'] = \FILTER_REQUIRE_ARRAY;        }        if ((\FILTER_CALLBACK & $filter) && !(($options['options'] ?? null) instanceof \Closure)) {            trigger_deprecation('symfony/http-foundation', '5.2', 'Not passing a Closure together with FILTER_CALLBACK to "%s()" is deprecated. Wrap your filter in a closure instead.', __METHOD__);            // throw new \InvalidArgumentException(sprintf('A Closure must be passed to "%s()" when FILTER_CALLBACK is used, "%s" given.', __METHOD__, get_debug_type($options['options'] ?? null)));        }        return filter_var($value, $filter, $options);    }    /**     * Returns an iterator for parameters.     *     * @return \ArrayIterator<string, mixed>     */    #[\ReturnTypeWillChange]    public function getIterator()    {        return new \ArrayIterator($this->parameters);    }    /**     * Returns the number of parameters.     *     * @return int     */    #[\ReturnTypeWillChange]    public function count()    {        return \count($this->parameters);    }}
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