SSL 업데이트 후 사이트 에러

Fatal error: Uncaught Error: Call to undefined function mysql_query() in /home/kccaus5/public_html/oldsite/lib/common.lib.php:1106 Stack trace: #0 /home/kccaus5/public_html/oldsite/common.php(258): sql_connect('localhost', '-------', '-------') #1 /home/kccaus5/public_html/oldsite/_common.php(3): include_once('/home/kccaus5/p...') #2 /home/kccaus5/public_html/oldsite/index.php(2): include_once('/home/kccaus5/p...') #3 {main} thrown in /home/kccaus5/public_html/oldsite/lib/common.lib.php on line 1106

// 폴더의 용량 ($dir는 / 없이 넘기세요)

function get_dirsize($dir)

{

????$size = 0;

????$d = dir($dir);

????while ($entry = $d->read()) {

????????if ($entry != "." && $entry != "..") {

????????????$size += filesize("$dir/$entry");

????????}

????}

????$d->close();

????return $size;

}

 

/*************************************************************************

**

**??SQL 관련 함수 모음

**

*************************************************************************/

 

// DB 연결

function sql_connect($host, $user, $pass)

{

????global $g4;

 

????if (strtolower($g4['charset']) == 'utf-8') @mysql_query(" set names utf8 ");

????else if (strtolower($g4['charset']) == 'euc-kr') @mysql_query(" set names euckr ");

????return @mysql_connect($host, $user, $pass);

}