File Content: Expression.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 Deprecated; use PleskGrafana\League\Uri\Exceptions\SyntaxError; use Stringable; use function array_filter; use function array_map; use function array_unique; use function explode; use function implode; /** * @internal The class exposes the internal representation of an Expression and its usage * @link https://www.rfc-editor.org/rfc/rfc6570#section-2.2 */ final class Expression { /** @var array<VarSpecifier> */ private readonly array $varSpecifiers; /** @var array<string> */ public readonly array $variableNames; public readonly string $value; private function __construct(public readonly Operator $operator, VarSpecifier ...$varSpecifiers) { $this->varSpecifiers = $varSpecifiers; $this->variableNames = array_unique(array_map(static fn(VarSpecifier $varSpecifier): string => $varSpecifier->name, $varSpecifiers)); $this->value = '{' . $operator->value . implode(',', array_map(static fn(VarSpecifier $varSpecifier): string => $varSpecifier->toString(), $varSpecifiers)) . '}'; } /** * @throws SyntaxError if the expression is invalid */ public static function new(Stringable|string $expression) : self { $parts = Operator::parseExpression($expression); return new Expression($parts['operator'], ...array_map(static fn(string $varSpec): VarSpecifier => VarSpecifier::new($varSpec), explode(',', $parts['variables']))); } /** * DEPRECATION WARNING! This method will be removed in the next major point release. * * @throws SyntaxError if the expression is invalid * @see Expression::new() * * @deprecated Since version 7.0.0 * @codeCoverageIgnore */ #[\Deprecated(message: 'use League\\Uri\\UriTemplate\\Exppression::new() instead', since: 'league/uri:7.0.0')] public static function createFromString(Stringable|string $expression) : self { return self::new($expression); } public function expand(VariableBag $variables) : string { $expanded = implode($this->operator->separator(), array_filter(array_map(fn(VarSpecifier $varSpecifier): string => $this->operator->expand($varSpecifier, $variables), $this->varSpecifiers), static fn($value): bool => '' !== $value)); return match ('') { $expanded => '', default => $this->operator->first() . $expanded, }; } } Submit