function convertUrlsToLinks($text) {
return preg_replace('/(https?:\/\/[^\s]+)/', '<a href="$1">$1</a>', $text);
}
$str = "This is my website check it out https://www.collectivesolver.com";
$result = convertUrlsToLinks($str);
echo $result;
/*
run:
This is my website check it out <a href="https://www.collectivesolver.com">https://www.collectivesolver.com</a>
*/