ListParam.php

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<?php
 
namespace Wikimedia\Message;
 
class ListParam extends MessageParam {
    private $listType;
 
    public function __construct( $listType, array $elements ) {
        $this->type = ParamType::LIST;
        $this->listType = $listType;
        $this->value = [];
        foreach ( $elements as $element ) {
            if ( $element instanceof MessageParam ) {
                $this->value[] = $element;
            } elseif ( is_scalar( $element ) || $element instanceof MessageValue ) {
                $this->value[] = new ScalarParam( ParamType::TEXT, $element );
            } else {
                throw new \InvalidArgumentException(
                    'ListParam elements must be MessageParam or scalar' );
            }
        }
    }
 
    public function getListType() {
        return $this->listType;
    }
 
    public function dump() {
        $contents = '';
        foreach ( $this->value as $element ) {
            $contents .= $element->dump();
        }
        return "<{$this->type} listType=\"{$this->listType}\">$contents</{$this->type}>";
    }
}