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What are the limitations of text editors like Notepad++ when working with PHP code that includes URLs?

Text editors like Notepad++ do not provide live validation or checking of URLs in PHP code, which can lead to errors or broken links. To address this limitation, developers can use tools like PHP linters or IDEs that offer built-in URL validation features to ensure the correctness of URLs in their code.

php 
$url = "https://www.example.com";
if (filter_var($url, FILTER_VALIDATE_URL)) {
    echo "URL is valid";
} else {
    echo "URL is not valid";
}

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