编辑文件：ConnectionsManager.php
<?php namespace WPMailSMTP; /** * Class ConnectionsManager. * * @since 3.7.0 */ class ConnectionsManager { /** * Primary connection object. * * @since 3.7.0 * * @var ConnectionInterface */ private $primary_connection = null; /** * Get the connection object that should be used for email sending. * * @since 3.7.0 * * @return ConnectionInterface */ public function get_mail_connection() { return $this->get_primary_connection(); } /** * Get the primary connection object. * * @since 3.7.0 * * @return ConnectionInterface */ public function get_primary_connection() { if ( is_null( $this->primary_connection ) ) { $this->primary_connection = new Connection(); } return $this->primary_connection; } }
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