public static function validate(
        Schema $schema,
        DocumentNode $ast,
        ?array $rules = null,
        ?TypeInfo $typeInfo = null
    ) {
        if ($rules === null) {
            $rules = static::allRules();
        }

        if (is_array($rules) === true && count($rules) === 0) {
            // Skip validation if there are no rules
            return [];
        }

        $typeInfo = $typeInfo ?: new TypeInfo($schema);

        return static::visitUsingRules($schema, $typeInfo, $ast, $rules);
    }
public static function validate(
        Schema $schema,
        DocumentNode $ast,
        ?array $rules = null,
        ?TypeInfo $typeInfo = null
    ) {
        if ($rules === null) {
            $rules = static::allRules();
        }

        if (is_array($rules) === true && count($rules) === 0) {
            // Skip validation if there are no rules
            return [];
        }

        $typeInfo = $typeInfo ?: new TypeInfo($schema);

        return static::visitUsingRules($schema, $typeInfo, $ast, $rules);
    }
public static function validate ( Schema $ schema , DocumentNode $ ast , ? array $ rules = null , ? TypeInfo $ typeInfo = null ) { if ( $ rules === null ) { $ rules = static :: allRules ( ) ; } if ( is_array ( $ rules ) === true && count ( $ rules ) === 0 ) { // Skip validation if there are no rules return [ ] ; } $ typeInfo = $ typeInfo ? : new TypeInfo ( $ schema ) ; return static :: visitUsingRules ( $ schema , $ typeInfo , $ ast , $ rules ) ; }
Primary method for query validation. See class description for details.

@param ValidationRule[]|null $rules

@return Error[]

@api
Primary method for query validation . See class description for details .