How can one determine if a CLI SAPI is being used in PHP and why is it important in server-side scripting?

To determine if a CLI SAPI is being used in PHP, you can check the value of the PHP_SAPI constant. This is important in server-side scripting because certain functionalities or configurations may need to be adjusted based on whether the script is being executed in a CLI environment or not. 

if (PHP_SAPI === 'cli') {
    echo 'CLI SAPI is being used';
} else {
    echo 'CLI SAPI is not being used';
}

Keywords

CLI SAPI PHP server-side scripting determine importance

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