*/ protected array $resources = []; /** * Constructor. * * @since 6.9.0 * * @param array $resources An array of items. */ public function __construct( array $resources = [] ) { foreach ( $resources as $offset => $value ) { $this->set( (string) $offset, $value ); } } /** * Sets a value in the collection. * * @since 6.9.0 * * @param string $offset The offset to set. * @param Parameter $value The value to set. */ protected function set( string $offset, Parameter $value ): void { $this->resources[ $offset ] = $value; } /** * @inheritDoc */ public function current(): Parameter { return current( $this->resources ); } /** * @inheritDoc */ public function key(): ?string { return (string) key( $this->resources ); } /** * @inheritDoc */ public function next(): void { next( $this->resources ); } /** * @inheritDoc * * @param TKey $offset The offset to check. * * @return bool */ public function offsetExists( $offset ): bool { return array_key_exists( $offset, $this->resources ); } /** * @inheritDoc * * @param string $offset The offset to get. * * @return Parameter|null */ public function offsetGet( $offset ): ?Parameter { return $this->resources[ $offset ] ?? null; } /** * @inheritDoc * * @param string $offset The offset to set. * @param Parameter $value The value to set. */ public function offsetSet( $offset, $value ): void { if ( ! $offset ) { $offset = (string) count( $this->resources ); } $this->set( $offset, $value ); } /** * @inheritDoc * * @param string $offset The offset to unset. */ public function offsetUnset( $offset ): void { unset( $this->resources[ $offset ] ); } /** * @inheritDoc */ public function rewind(): void { reset( $this->resources ); } /** * @inheritDoc */ public function valid(): bool { return key( $this->resources ) !== null; } /** * @inheritDoc */ public function count(): int { return count( $this->resources ); } /** * Returns the collection as an array. * * @since 6.9.0 * * @return array */ public function to_array(): array { return array_merge( ...array_map( fn( Parameter $param ) => [ $param->get_name() => $param->to_array() ], $this->resources ) ); } /** * Returns the collection as an array. * * @since 6.9.0 * * @return array */ public function jsonSerialize(): array { return $this->to_array(); } /** * Maps the collection to an array. * * @since 6.9.0 * * @param callable $callback The callback to map the collection to an array. * * @return array */ public function map( callable $callback ): array { return array_map( $callback, $this->resources ); } /** * Filters the collection. * * @since 6.9.0 * * @param callable $callback The callback to filter the collection. * * @return Collection */ public function filter( callable $callback ): Collection { return new static( array_filter( $this->resources, $callback ) ); } /** * Gets a parameter from the collection. * * @since 6.10.0 * * @param string $parameter_name The name of the parameter to get. * * @return ?Parameter */ public function get( string $parameter_name ): ?Parameter { foreach ( $this->resources as $parameter ) { if ( $parameter->get_name() === $parameter_name ) { return $parameter; } } return null; } }