微信去除 表情图片

function filterNickname($nickname)
 
{
    $nickname = preg_replace(‘/[x{1F600}-x{1F64F}]/u‘, ‘‘, $nickname);
 
    $nickname = preg_replace(‘/[x{1F300}-x{1F5FF}]/u‘, ‘‘, $nickname);
 
    $nickname = preg_replace(‘/[x{1F680}-x{1F6FF}]/u‘, ‘‘, $nickname);
 
    $nickname = preg_replace(‘/[x{2600}-x{26FF}]/u‘, ‘‘, $nickname);
 
    $nickname = preg_replace(‘/[x{2700}-x{27BF}]/u‘, ‘‘, $nickname);

    $nickname = str_replace(array(‘"‘,‘‘‘), ‘‘, $nickname);

    return addslashes(trim($nickname));
}