Escaped Mutant for Mutator "UnwrapArrayMap": @@ @@ throw UnsupportedParamValue::value($value); } $firstValue = $value[array_key_first($value)]; - $mapper = is_array($firstValue) ? fn($value): string => sprintf('(%s)', implode(',', array_map(fn($val) => $this->format($val), $value))) : fn($value): string => $value === null ? 'NULL' : $this->format($value); + $mapper = is_array($firstValue) ? fn($value): string => sprintf('(%s)', implode(',', $value)) : fn($value): string => $value === null ? 'NULL' : $this->format($value); return implode(',', array_map($mapper, $value)); } return $this->formatArray($value);