How to replace one random word in text?

Question

PHP

You need to find one random word in the text, preferably in the middle of the text and make it a link, share the regular expression plz :)

Answer 1

$text = 'мля блая сиука ыыв ыыв фвы  выф';
$arr = explode(' ', $text);
$word = $arr[rand(0, count($arr)-1)];
$text = str_replace($word,'<a href="/">' . $word . '</a>' ,$text);
print_r($text);