See Release Notes
Long Term Support Release
<?php namespace Box\Spout\Writer\Exception\Border; use Box\Spout\Common\Entity\Style\BorderPart; use Box\Spout\Writer\Exception\WriterException; class InvalidNameException extends WriterException { public function __construct($name) { $msg = '%s is not a valid name identifier for a border. Valid identifiers are: %s.';< parent::__construct(sprintf($msg, $name, implode(',', BorderPart::getAllowedNames())));> parent::__construct(\sprintf($msg, $name, \implode(',', BorderPart::getAllowedNames())));} }