PHP ลบโค้ด CSS ออกจากเนื้อหา HTML

// Function
<?
function stripCss($text){
$text = strip_tags($text,"<style>");
$substring = iconv_substr($text,strpos($text,"<style"),strpos($text,"</style>"),'UTF-8');  //ตัดอักขระพิเศษ
$text = str_replace($substring,"",$text);
$text = str_replace(array("\t","\r","\n"),"",$text);
$text = trim($text);
return $text;
}

//เรียกใช้
echo stripCss("<span style="color:rgb(20, 24, 35); font-family:helvetica,arial,lucida grande,tahoma,verdana,arial,sans-serif; font-size:16px">Refuel4-the win-win Facebook Ads solution for creator. Brand new Facebook advertising</span>")

//ผลลัพธ์
Refuel4-the win-win Facebook Ads solution for creator. Brand new Facebook advertising
?>