public static function get_rows_num($table, $condition)
{
try {
if (empty($table) || empty($condition)) {
throw new Exception('查询记录数的表名，字段，条件不能为空', 444);
}
self::$sql = "SELECT count(*) AS total FROM {$table} WHERE {$condition}";
$result = self::query(self::$sql);
$tmp = self::fetch_one();
return empty($tmp) ? false : $tmp['total'];
} catch (Exception $e) {
if (!defined('DEBUG_LEVEL') || !DEBUG_LEVEL) {
} else {
echo $e->getMessage(), '<br/>';
echo '<pre>', $e->getTraceAsString(), '</pre>';
echo '<strong>Query: </strong>[rows_num] ' . !empty(self::$sql) && self::$sql;
}
self::log($e->getMessage());
exit;
}
}
