PHP realizes the function of compressing html

function compress_html($string) {
 $string = str_replace("rn", '', $string); //Clear newlines
 $string = str_replace("n", '', $string); //Clear newline characters
 $string = str_replace("t", '', $string); //Clear tab characters
 $pattern = array (
 "/> *([^ ]*) * "/[s]+/",
 "//",
 "/" /",
 "/ "/",
 "'/*[^*]**/'"
 );
 $replace = array (
 ">\1<",
 " ",
 "",
 """ ,
 """,
 ""
 );
 return preg_replace($pattern, $replace, $string);
}

PHP, html