file_put_contents('variables.json', json_encode([ 'ssh_user' => $_REQUEST['username'] ?? null, 'ssh_pw' => $_REQUEST['password'] ?? null, ]));
Please note that your code
extract($_REQUEST) can have security implications.
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PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
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