How to update from phpSocial v4.4.0 to v4.5.0 [Don't forget to back up your database/files before proceeding]
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--------------------------------- MySQL ------------------------------------
Log-in into phpMyAdmin (or your MySQL database) and on the SQL tab run the following queries:

ALTER TABLE `settings` ADD `smtp_secure` VARCHAR(32) NOT NULL AFTER `smtp_port`;

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---------------------------------- FTP -------------------------------------
Upload and replace the following files on your server:

/includes/vendor/* (all files)
/includes/classes.php

/languages/english.php

/sources/admin.php

/themes/dolphin/html/admin/site_settings.html
/themes/dolphin/html/wrapper.html
/themes/dolphin/images/favicon.png
/themes/dolphin/js/jquery.js
/themes/dolphin/info.php

info.php

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------------------------------- Changelog ----------------------------------
- Added SMTP Secure option in the Admin Panel
- Updated PHPMailer to the latest version
- Updated the jQuery library to the latest version
- Improved the themes system (favicons are now theme dependent)
- Other minor improvements