function _get($str, $default="") {
    return (isset($_GET[$str])?stripslashes($_GET[$str]):$default);
}

function _post($str, $default="") {
    return (isset($_POST[$str])?stripslashes($_POST[$str]):$default);
}
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function mysql_connect() in /home/admin/web/mackapeyzaj.com/public_html/code/cls/dbcon.php:6
Stack trace:
#0 /home/admin/web/mackapeyzaj.com/public_html/index.php(16): MyConnection-&gt;__construct()
#1 {main}
  thrown in <b>/home/admin/web/mackapeyzaj.com/public_html/code/cls/dbcon.php</b> on line <b>6</b><br />