highlight multiple keywords in search

Question

i\'m using this code to highlight search keywords:

function highlightWords($string, $word)
 {

        $string = str_replace($word, \"

        

Answer 1

here is simple function to highlight only match text.

function highlighter_text($text, $words)
{
    $split_words = explode( " " , $words );
    foreach($split_words as $word)
    {
        $color = "#e5e5e5";
        $text = preg_replace("|($word)|Ui" ,
            "$1" , $text );
    }
    return $text;
}

call function