/** * 隐藏手机号中间4位 * @param $phone * @return mixed */ function hidetel($phone){ $IsWhat = preg_match(‘/(0[0-9]{2,3}[-]?[2-9][0-9]{6,7}[-]?[0-9]?)/i‘,$phone); if($IsWhat == 1){ return preg_replace(‘/(0[0-9]{2,3}[-]?[2-9])[0-9]{3,4}([0-9]{3}[-]?[0-9]?)/i‘,‘$1****$2‘,$phone); }else{ return preg_replace(‘/(1[3587]{1}[0-9])[0-9]{4}([0-9]{4})/i‘,‘$1****$2‘,$phone); } }