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✏️ Editing: class-email-delivery.php

<?php

namespace ASENHA\Classes;

use WP_Error;
use ASENHA\EmailDelivery\Email_Log_Table;
/**
 * Class for Email Delivery module
 *
 * @since 6.9.5
 */
class Email_Delivery {
    private $log_entry_id;

/**
 * Send emails using external SMTP service
 *
 * @since 4.6.0
 */
 public function deliver_email_via_smtp( $phpmailer ) {
 $options = get_option( ASENHA_SLUG_U, array() );
 $smtp_host = $options['smtp_host'];
 $smtp_port = $options['smtp_port'];
 $smtp_security = $options['smtp_security'];
 $smtp_authentication = ( isset( $options['smtp_authentication'] ) ? $options['smtp_authentication'] : 'enable' );
 $smtp_username = $options['smtp_username'];
 $smtp_password = $options['smtp_password'];
 $smtp_default_from_name = $options['smtp_default_from_name'];
 $smtp_default_from_email = $options['smtp_default_from_email'];
 $smtp_force_from = $options['smtp_force_from'];
 $smtp_bypass_ssl_verification = $options['smtp_bypass_ssl_verification'];
 $smtp_debug = $options['smtp_debug'];
 // Do nothing if host or password is empty
 // if ( empty( $smtp_host ) || empty( $smtp_password ) ) {
 // return;
 // }
 // Maybe override FROM email and/or name if the sender is "WordPress <wordpress@sitedomain.com>", the default from WordPress core and not yet overridden by another plugin.
 $from_name = $phpmailer->FromName;
 $from_email_beginning = substr( $phpmailer->From, 0, 9 );
 // Get the first 9 characters of the current FROM email
 if ( $smtp_force_from ) {
 $phpmailer->FromName = $smtp_default_from_name;
 $phpmailer->From = $smtp_default_from_email;
 // WP 6.9 fix. Ref: https://make.wordpress.org/core/2025/11/18/more-reliable-email-in-wordpress-6-9/
 $phpmailer->Sender = $smtp_default_from_email;
 $phpmailer->ReturnPath = $smtp_default_from_email;
 } else {
 if ( 'WordPress' === $from_name && !empty( $smtp_default_from_name ) ) {
 $phpmailer->FromName = $smtp_default_from_name;
 }
 if ( 'wordpress' === $from_email_beginning && !empty( $smtp_default_from_email ) ) {
 $phpmailer->From = $smtp_default_from_email;
 // WP 6.9 fix. Ref: https://make.wordpress.org/core/2025/11/18/more-reliable-email-in-wordpress-6-9/
 $phpmailer->Sender = $smtp_default_from_email;
 $phpmailer->ReturnPath = $smtp_default_from_email;
 }
 }
 // Only attempt to send via SMTP if all the required info is present. Otherwise, use default PHP Mailer settings as set by wp_mail()
 if ( !empty( $smtp_host ) && !empty( $smtp_port ) && !empty( $smtp_security ) ) {
 // Send using SMTP
 $phpmailer->isSMTP();
 // phpcs:ignore
 if ( 'enable' == $smtp_authentication ) {
 $phpmailer->SMTPAuth = true;
 // phpcs:ignore
 } else {
 $phpmailer->SMTPAuth = false;
 // phpcs:ignore
 }
 // Set some other defaults
 // $phpmailer->CharSet = 'utf-8'; // phpcs:ignore
 $phpmailer->XMailer = 'Admin and Site Enhancements v' . ASENHA_VERSION . ' - a WordPress plugin';
 // phpcs:ignore
 $phpmailer->Host = $smtp_host;
 // phpcs:ignore
 $phpmailer->Port = $smtp_port;
 // phpcs:ignore
 $phpmailer->SMTPSecure = $smtp_security;
 // phpcs:ignore
 if ( 'enable' == $smtp_authentication ) {
 $phpmailer->Username = trim( $smtp_username );
 // phpcs:ignore
 $phpmailer->Password = trim( $smtp_password );
 // phpcs:ignore
 }
 }
 // If verification of SSL certificate is bypassed
 // Reference: https://www.php.net/manual/en/context.ssl.php & https://stackoverflow.com/a/30803024
 if ( $smtp_bypass_ssl_verification ) {
 $phpmailer->SMTPOptions = [
 'ssl' => [
 'verify_peer' => false,
 'verify_peer_name' => false,
 'allow_self_signed' => true,
 ],
 ];
 }
 // If debug mode is enabled, send debug info (SMTP::DEBUG_CONNECTION) to WordPress debug.log file set in wp-config.php
 // Reference: https://github.com/PHPMailer/PHPMailer/wiki/SMTP-Debugging
 if ( $smtp_debug ) {
 $phpmailer->SMTPDebug = 4;
 //phpcs:ignore
 $phpmailer->Debugoutput = 'error_log';
 //phpcs:ignore
 }
 }

/**
 * Send a test email and use SMTP host if defined in settings
 * 
 * @since 5.3.0
 */
 public function send_test_email() {
 if ( isset( $_REQUEST['email_to'] ) && isset( $_REQUEST['nonce'] ) && current_user_can( 'manage_options' ) ) {
 if ( wp_verify_nonce( sanitize_text_field( $_REQUEST['nonce'] ), 'send-test-email-nonce_' . get_current_user_id() ) ) {
 $content = array(
 array(
 'title' => 'Hey... are you getting this?',
 'body' => 'Looks like you did!',
 ),
 array(
 'title' => 'There\'s a message for you...',
 'body' => 'Here it is:',
 ),
 array(
 'title' => 'Is it working?',
 'body' => 'Yes, it\'s working!',
 ),
 array(
 'title' => 'Hope you\'re getting this...',
 'body' => 'Looks like this was sent out just fine and you got it.',
 ),
 array(
 'title' => 'Testing delivery configuration...',
 'body' => 'Everything looks good!',
 ),
 array(
 'title' => 'Testing email delivery',
 'body' => 'Looks good!',
 ),
 array(
 'title' => 'Config is looking good',
 'body' => 'Seems like everything has been set up properly!',
 ),
 array(
 'title' => 'All set up',
 'body' => 'Your configuration is working properly.',
 ),
 array(
 'title' => 'Good to go',
 'body' => 'Config is working great.',
 ),
 array(
 'title' => 'Good job',
 'body' => 'Everything is set.',
 )
 );
 $random_number = rand( 0, count( $content ) - 1 );
 $to = $_REQUEST['email_to'];
 $title = $content[$random_number]['title'];
 $body = $content[$random_number]['body'] . 'This message was sent from <a href="' . get_bloginfo( 'url' ) . '">' . get_bloginfo( 'url' ) . '</a> on ' . wp_date( 'F j, Y' ) . ' at ' . wp_date( 'H:i:s' ) . ' via ASE.';
 $headers = array('Content-Type: text/html; charset=UTF-8');
 $success = wp_mail(
 $to,
 $title,
 $body,
 $headers
 );
 if ( $success ) {
 $response = array(
 'status' => 'success',
 );
 } else {
 $response = array(
 'status' => 'failed',
 );
 }
 echo json_encode( $response );
 }
 }
 }

}

MR SKB