编辑文件：BodySummarizer.php
<?php namespace WPMailSMTP\Vendor\GuzzleHttp; use WPMailSMTP\Vendor\Psr\Http\Message\MessageInterface; final class BodySummarizer implements BodySummarizerInterface { /** * @var int|null */ private $truncateAt; public function __construct(?int $truncateAt = null) { $this->truncateAt = $truncateAt; } /** * Returns a summarized message body. */ public function summarize(MessageInterface $message) : ?string { return $this->truncateAt === null ? Psr7\Message::bodySummary($message) : Psr7\Message::bodySummary($message, $this->truncateAt); } }
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