How can one contribute to the PHP community by sharing knowledge and solutions?

Issue: One way to contribute to the PHP community is by sharing knowledge and solutions to common problems or challenges faced by developers. This can be done through blog posts, tutorials, forums, or contributing to open-source projects. Code snippet: 

function calculateFactorial($num) {
    if ($num < 0) {
        return "Factorial is not defined for negative numbers.";
    } elseif ($num == 0) {
        return 1;
    } else {
        return $num * calculateFactorial($num - 1);
    }
}

echo calculateFactorial(5); // Output: 120

Keywords

PHP community knowledge sharing solutions functions libraries error types

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