src/Error/FormattedError.php
public static function printError(Error $error)
    {
        $printedLocations = [];
        if ($error->nodes) {
            /** @var Node $node */
            foreach ($error->nodes as $node) {
                if (! $node->loc) {
                    continue;
                }

                if ($node->loc->source === null) {
                    continue;
                }

                $printedLocations[] = self::highlightSourceAtLocation(
                    $node->loc->source,
                    $node->loc->source->getLocation($node->loc->start)
                );
            }
        } elseif ($error->getSource() && $error->getLocations()) {
            $source = $error->getSource();
            foreach ($error->getLocations() as $location) {
                $printedLocations[] = self::highlightSourceAtLocation($source, $location);
            }
        }

        return ! $printedLocations
            ? $error->getMessage()
            : implode("\n\n", array_merge([$error->getMessage()], $printedLocations)) . "\n";
    }
public static function printError(Error $error)
    {
        $printedLocations = [];
        if ($error->nodes) {
            /** @var Node $node */
            foreach ($error->nodes as $node) {
                if (! $node->loc) {
                    continue;
                }

                if ($node->loc->source === null) {
                    continue;
                }

                $printedLocations[] = self::highlightSourceAtLocation(
                    $node->loc->source,
                    $node->loc->source->getLocation($node->loc->start)
                );
            }
        } elseif ($error->getSource() && $error->getLocations()) {
            $source = $error->getSource();
            foreach ($error->getLocations() as $location) {
                $printedLocations[] = self::highlightSourceAtLocation($source, $location);
            }
        }

        return ! $printedLocations
            ? $error->getMessage()
            : implode("\n\n", array_merge([$error->getMessage()], $printedLocations)) . "\n";
    }
public static function printError ( Error $ error ) { $ printedLocations = [ ] ; if ( $ error -> nodes ) { /** @var Node $node */ foreach ( $ error -> nodes as $ node ) { if ( ! $ node -> loc ) { continue ; } if ( $ node -> loc -> source === null ) { continue ; } $ printedLocations [ ] = self :: highlightSourceAtLocation ( $ node -> loc -> source , $ node -> loc -> source -> getLocation ( $ node -> loc -> start ) ) ; } } elseif ( $ error -> getSource ( ) && $ error -> getLocations ( ) ) { $ source = $ error -> getSource ( ) ; foreach ( $ error -> getLocations ( ) as $ location ) { $ printedLocations [ ] = self :: highlightSourceAtLocation ( $ source , $ location ) ; } } return ! $ printedLocations ? $ error -> getMessage ( ) : implode ( "\n\n" , array_merge ( [ $ error -> getMessage ( ) ] , $ printedLocations ) ) . "\n" ; }
Prints a GraphQLError to a string, representing useful location information
about the error's position in the source.

@return string
Prints a GraphQLError to a string representing useful location information about the error s position in the source .