Definition: PHPMailer_5_1 is a PHP library used for sending emails, but it's not technically "PHP". Instead, this word refers to a specific version of PHPMailer library that was released in May 2018.
Here’s a brief rundown on its purpose:
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PHPMailer
: A popular library for sending email messages in PHP and Python.
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5_1 (Release Number):
This is the last major release before version 6, which includes improvements to security, support for more languages, and new features such as an improved API and a bug fix repository.
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Version 5.1
: This is the most recent version of PHPMailer that was released in May 2018.
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PHPMailer_5_1
: PHPMailer_5_1 stands for "PHPMailer_5_1", which refers to the last major release (5_1) before version 6, hence "PHPMailer".
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