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File Content: `VariableBag.php`

<?php

/**
 * League.Uri (https://uri.thephpleague.com)
 *
 * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
declare (strict_types=1);
namespace PleskGrafana\League\Uri\UriTemplate;

use ArrayAccess;
use Closure;
use Countable;
use IteratorAggregate;
use Stringable;
use Traversable;
use function array_filter;
use function is_bool;
use function is_scalar;
use const ARRAY_FILTER_USE_BOTH;
/**
 * @internal The class exposes the internal representation of variable bags
 *
 * @phpstan-type InputValue string|bool|int|float|array<string|bool|int|float>
 *
 * @implements ArrayAccess<string, InputValue>
 * @implements IteratorAggregate<string, InputValue>
 */
final class VariableBag implements ArrayAccess, Countable, IteratorAggregate
{
    /**
     * @var array<string,string|array<string>>
     */
    private array $variables = [];
    /**
     * @param iterable<array-key, InputValue> $variables
     */
    public function __construct(iterable $variables = [])
    {
        foreach ($variables as $name => $value) {
            $this->assign((string) $name, $value);
        }
    }
    public function count() : int
    {
        return \count($this->variables);
    }
    public function getIterator() : Traversable
    {
        yield from $this->variables;
    }
    public function offsetExists(mixed $offset) : bool
    {
        return \array_key_exists($offset, $this->variables);
    }
    public function offsetUnset(mixed $offset) : void
    {
        unset($this->variables[$offset]);
    }
    public function offsetSet(mixed $offset, mixed $value) : void
    {
        $this->assign($offset, $value);
        /* @phpstan-ignore-line */
    }
    public function offsetGet(mixed $offset) : mixed
    {
        return $this->fetch($offset);
    }
    /**
     * Tells whether the bag is empty or not.
     */
    public function isEmpty() : bool
    {
        return [] === $this->variables;
    }
    /**
     * Tells whether the bag is empty or not.
     */
    public function isNotEmpty() : bool
    {
        return [] !== $this->variables;
    }
    /**
     * Fetches the variable value if none found returns null.
     *
     * @return null|string|array<string>
     */
    public function fetch(string $name) : null|string|array
    {
        return $this->variables[$name] ?? null;
    }
    /**
     * @param Stringable|InputValue $value
     */
    public function assign(string $name, Stringable|string|bool|int|float|array|null $value) : void
    {
        $this->variables[$name] = $this->normalizeValue($value, $name, \true);
    }
    /**
     * @param Stringable|InputValue $value
     *
     * @throws TemplateCanNotBeExpanded if the value contains nested list
     */
    private function normalizeValue(Stringable|string|float|int|bool|array|null $value, string $name, bool $isNestedListAllowed) : array|string
    {
        return match (\true) {
            is_bool($value) => \true === $value ? '1' : '0',
            null === $value || is_scalar($value) || $value instanceof Stringable => (string) $value,
            !$isNestedListAllowed => throw TemplateCanNotBeExpanded::dueToNestedListOfValue($name),
            default => \array_map(fn($var): array|string => self::normalizeValue($var, $name, \false), $value),
        };
    }
    /**
     * Replaces elements from passed variables into the current instance.
     */
    public function replace(VariableBag $variables) : self
    {
        return new self($this->variables + $variables->variables);
    }
    /**
     * Filters elements using the closure.
     */
    public function filter(Closure $fn) : self
    {
        return new self(array_filter($this->variables, $fn, ARRAY_FILTER_USE_BOTH));
    }
}
Name	Size	Permission
Expression.php	2715 bytes	0644
Operator.php	6711 bytes	0644
Template.php	4266 bytes	0644
TemplateCanNotBeExpanded.php	1386 bytes	0644
VarSpecifier.php	2237 bytes	0644
VariableBag.php	3849 bytes	0644
File Content: VariableBag.php

File Content: `VariableBag.php`
