private function condition($type, $wheres, $op = 'AND')
{
$op = strtoupper($op);
if ($op != 'AND' && $op != 'OR') {
throw new DBException(L('Bad logical operator specified') . ': ' . $op);
}
if (is_array($wheres)) {
$d = [];
foreach ($wheres as $k => $v) {
if (is_array($v)) {
if (empty($v[2]) && $v[1][0] != 'I' && $v[1][1] != 'S') {
throw new DBException(L('No right value') . ' #' . $k . ': ' . $v[0] . ' ' . $v[1]);
}
if (!in_array(strtoupper($v[1]), ['=', '!=', '<', '<=', '>', '>=', 'LIKE', 'RLIKE', 'IS NULL', 'IS NOT NULL'])) {
throw new DBException(L('Bad conditional') . ' #' . $k . ': ' . $v[1]);
}
$d[] = $v[0] . ' ' . strtoupper($v[1]) . (!empty($v[2]) ? ' ' . ($v[2] == '?' ? $v[2] : "'" . str_replace(["\r", "\n", "\t", "", ""], ['\\r', '\\n', '\\t', '\\x1a', '\\x00'], addslashes(strtoupper($v[1]) == 'LIKE' ? DS::like($v[2]) : (is_array($v[2]) || is_object($v[2]) ? json_encode($v[2]) : $v[2]))) . "'") : '');
} else {
$d[] = $v;
}
}
if (!empty($d)) {
$this->{$type}[] = '(' . implode(' ' . strtoupper($op) . ' ', $d) . ')';
}
} else {
$this->{$type}[] = $wheres;
}
return $this;
}
