Файл: vendor/symfony/http-foundation/ParameterBag.php
Строк: 293
<?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 SymfonyComponentHttpFoundation;
use SymfonyComponentHttpFoundationExceptionBadRequestException;
use SymfonyComponentHttpFoundationExceptionUnexpectedValueException;
/**
* 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
*/
public function all(?string $key = null): array
{
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 $value;
}
/**
* Returns the parameter keys.
*/
public function keys(): array
{
return array_keys($this->parameters);
}
/**
* Replaces the current parameters by a new set.
*
* @return void
*/
public function replace(array $parameters = [])
{
$this->parameters = $parameters;
}
/**
* Adds parameters.
*
* @return void
*/
public function add(array $parameters = [])
{
$this->parameters = array_replace($this->parameters, $parameters);
}
public function get(string $key, mixed $default = null): mixed
{
return array_key_exists($key, $this->parameters) ? $this->parameters[$key] : $default;
}
/**
* @return void
*/
public function set(string $key, mixed $value)
{
$this->parameters[$key] = $value;
}
/**
* Returns true if the parameter is defined.
*/
public function has(string $key): bool
{
return array_key_exists($key, $this->parameters);
}
/**
* Removes a parameter.
*
* @return void
*/
public function remove(string $key)
{
unset($this->parameters[$key]);
}
/**
* Returns the alphabetic characters of the parameter value.
*/
public function getAlpha(string $key, string $default = ''): string
{
return preg_replace('/[^[:alpha:]]/', '', $this->getString($key, $default));
}
/**
* Returns the alphabetic characters and digits of the parameter value.
*/
public function getAlnum(string $key, string $default = ''): string
{
return preg_replace('/[^[:alnum:]]/', '', $this->getString($key, $default));
}
/**
* Returns the digits of the parameter value.
*/
public function getDigits(string $key, string $default = ''): string
{
return preg_replace('/[^[:digit:]]/', '', $this->getString($key, $default));
}
/**
* Returns the parameter as string.
*/
public function getString(string $key, string $default = ''): string
{
$value = $this->get($key, $default);
if (!is_scalar($value) && !$value instanceof Stringable) {
throw new UnexpectedValueException(sprintf('Parameter value "%s" cannot be converted to "string".', $key));
}
return (string) $value;
}
/**
* Returns the parameter value converted to integer.
*/
public function getInt(string $key, int $default = 0): int
{
// In 7.0 remove the fallback to 0, in case of failure an exception will be thrown
return $this->filter($key, $default, FILTER_VALIDATE_INT, ['flags' => FILTER_REQUIRE_SCALAR]) ?: 0;
}
/**
* Returns the parameter value converted to boolean.
*/
public function getBoolean(string $key, bool $default = false): bool
{
return $this->filter($key, $default, FILTER_VALIDATE_BOOL, ['flags' => FILTER_REQUIRE_SCALAR]);
}
/**
* Returns the parameter value converted to an enum.
*
* @template T of BackedEnum
*
* @param class-string<T> $class
* @param ?T $default
*
* @return ?T
*/
public function getEnum(string $key, string $class, ?BackedEnum $default = null): ?BackedEnum
{
$value = $this->get($key);
if (null === $value) {
return $default;
}
try {
return $class::from($value);
} catch (ValueError|TypeError $e) {
throw new UnexpectedValueException(sprintf('Parameter "%s" cannot be converted to enum: %s.', $key, $e->getMessage()), $e->getCode(), $e);
}
}
/**
* Filter key.
*
* @param int $filter FILTER_* constant
* @param int|array{flags?: int, options?: array} $options Flags from FILTER_* constants
*
* @see https://php.net/filter-var
*/
public function filter(string $key, mixed $default = null, int $filter = FILTER_DEFAULT, mixed $options = []): mixed
{
$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'])) {
$options['flags'] = FILTER_REQUIRE_ARRAY;
}
if (is_object($value) && !$value instanceof Stringable) {
throw new UnexpectedValueException(sprintf('Parameter value "%s" cannot be filtered.', $key));
}
if ((FILTER_CALLBACK & $filter) && !(($options['options'] ?? null) instanceof Closure)) {
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)));
}
$options['flags'] ??= 0;
$nullOnFailure = $options['flags'] & FILTER_NULL_ON_FAILURE;
$options['flags'] |= FILTER_NULL_ON_FAILURE;
$value = filter_var($value, $filter, $options);
if (null !== $value || $nullOnFailure) {
return $value;
}
$method = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT, 2)[1];
$method = ($method['object'] ?? null) === $this ? $method['function'] : 'filter';
$hint = 'filter' === $method ? 'pass' : 'use method "filter()" with';
trigger_deprecation('symfony/http-foundation', '6.3', 'Ignoring invalid values when using "%s::%s('%s')" is deprecated and will throw an "%s" in 7.0; '.$hint.' flag "FILTER_NULL_ON_FAILURE" to keep ignoring them.', $this::class, $method, $key, UnexpectedValueException::class);
return false;
}
/**
* Returns an iterator for parameters.
*
* @return ArrayIterator<string, mixed>
*/
public function getIterator(): ArrayIterator
{
return new ArrayIterator($this->parameters);
}
/**
* Returns the number of parameters.
*/
public function count(): int
{
return count($this->parameters);
}
}