/PHP/Best way to check if a URL is valid

Best way to check if a URL is valid

filter_var($url, FILTER_VALIDATE_URL);

if (filter_var($url, FILTER_VALIDATE_URL) === FALSE) {
    die('Not a valid!!');
}

Javascript determine if string is valid url

function isValidHttpUrl(string) {
  let url;
  
  try {
    url = new URL(string);
  } catch (_) {
    return false;  
  }

  return url.protocol === "http:" || url.protocol === "https:";
}

-1

Source: stackoverflow.com

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