| <?php |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| namespace Thrift\Factory; |
| |
| use Thrift\StringFunc\Mbstring; |
| use Thrift\StringFunc\Core; |
| |
| class TStringFuncFactory { |
| private static $_instance; |
| |
| /** |
| * Get the Singleton instance of TStringFunc implementation that is |
| * compatible with the current system's mbstring.func_overload settings. |
| * |
| * @return TStringFunc |
| */ |
| public static function create() { |
| if(!self::$_instance) { |
| self::_setInstance(); |
| } |
| |
| return self::$_instance; |
| } |
| |
| private static function _setInstance() { |
| /** |
| * Cannot use str* functions for byte counting because multibyte |
| * characters will be read a single bytes. |
| * |
| * See: http://us.php.net/manual/en/mbstring.overload.php |
| */ |
| if(ini_get('mbstring.func_overload') & 2) { |
| self::$_instance = new Mbstring(); |
| } |
| /** |
| * mbstring is not installed or does not have function overloading |
| * of the str* functions enabled so use PHP core str* functions for |
| * byte counting. |
| */ |
| else { |
| self::$_instance = new Core(); |
| } |
| } |
| } |