public static function resolver(&$context, &$name) {
        if ($context['partialresolver']) {
            $cnt = $context['partialresolver']($context, $name);
            return static::prePartial($context, $cnt, $name);
        }
    }
public static function resolver(&$context, &$name) {
        if ($context['partialresolver']) {
            $cnt = $context['partialresolver']($context, $name);
            return static::prePartial($context, $cnt, $name);
        }
    }
public static function resolver ( & $ context , & $ name ) { if ( $ context [ 'partialresolver' ] ) { $ cnt = $ context [ 'partialresolver' ] ( $ context , $ name ) ; return static :: prePartial ( $ context , $ cnt , $ name ) ; } }
use partialresolver to resolve partial, return the partial content

@param array<string,array|string|integer> $context Current context of compiler progress.
@param string $name partial name

@return string|null $content partial content
use partialresolver to resolve partial return the partial content