top-think /
framework
| Total Complexity | 40 |
| Total Lines | 259 |
| Duplicated Lines | 0 % |
| Coverage | 35.06% |
| Changes | 3 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Lang often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Lang, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | class Lang |
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| 20 | { |
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| 21 | /** |
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| 22 | * 配置参数 |
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| 23 | * @var array |
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| 24 | */ |
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| 25 | protected $config = [ |
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| 26 | // 默认语言 |
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| 27 | 'default_lang' => 'zh-cn', |
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| 28 | // 允许的语言列表 |
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| 29 | 'allow_lang_list' => [], |
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| 30 | // 是否使用Cookie记录 |
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| 31 | 'use_cookie' => true, |
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| 32 | // 扩展语言包 |
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| 33 | 'extend_list' => [], |
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| 34 | // 多语言cookie变量 |
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| 35 | 'cookie_var' => 'think_lang', |
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| 36 | // 多语言自动侦测变量名 |
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| 37 | 'detect_var' => 'lang', |
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| 38 | // Accept-Language转义为对应语言包名称 |
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| 39 | 'accept_language' => [ |
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| 40 | 'zh-hans-cn' => 'zh-cn', |
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| 41 | ], |
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| 42 | // 是否支持语言分组 |
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| 43 | 'allow_group' => false, |
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| 44 | ]; |
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| 45 | |||
| 46 | /** |
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| 47 | * 多语言信息 |
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| 48 | * @var array |
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| 49 | */ |
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| 50 | private $lang = []; |
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| 51 | |||
| 52 | /** |
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| 53 | * 当前语言 |
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| 54 | * @var string |
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| 55 | */ |
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| 56 | private $range = 'zh-cn'; |
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| 57 | |||
| 58 | /** |
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| 59 | * Request对象 |
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| 60 | * @var Request |
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| 61 | */ |
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| 62 | protected $request; |
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| 63 | |||
| 64 | /** |
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| 65 | * 构造方法 |
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| 66 | * @access public |
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| 67 | */ |
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| 68 | 6 | public function __construct(Request $request, array $config = []) |
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| 69 | { |
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| 70 | 6 | $this->request = $request; |
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| 71 | 6 | $this->config = array_merge($this->config, array_change_key_case($config)); |
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| 72 | 6 | $this->range = $this->config['default_lang']; |
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| 73 | 6 | } |
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| 74 | |||
| 75 | 6 | public static function __make(Request $request, Config $config) |
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| 76 | { |
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| 77 | 6 | return new static($request, $config->get('lang')); |
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| 78 | } |
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| 79 | |||
| 80 | /** |
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| 81 | * 设置当前语言 |
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| 82 | * @access public |
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| 83 | * @param string $name 语言 |
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| 84 | * @return void |
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| 85 | */ |
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| 86 | public function setLangSet(string $lang): void |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * 获取当前语言 |
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| 93 | * @access public |
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| 94 | * @return string |
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| 95 | */ |
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| 96 | public function getLangSet(): string |
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| 99 | } |
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| 100 | |||
| 101 | /** |
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| 102 | * 获取默认语言 |
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| 103 | * @access public |
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| 104 | * @return string |
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| 105 | */ |
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| 106 | 6 | public function defaultLangSet() |
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| 107 | { |
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| 108 | 6 | return $this->config['default_lang']; |
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| 109 | } |
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| 110 | |||
| 111 | /** |
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| 112 | * 加载语言定义(不区分大小写) |
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| 113 | * @access public |
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| 114 | * @param string|array $file 语言文件 |
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| 115 | * @param string $range 语言作用域 |
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| 116 | * @return array |
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| 117 | */ |
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| 118 | 6 | public function load($file, $range = ''): array |
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| 119 | { |
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| 120 | 6 | $range = $range ?: $this->range; |
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| 121 | 6 | if (!isset($this->lang[$range])) { |
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| 122 | 6 | $this->lang[$range] = []; |
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| 123 | } |
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| 124 | |||
| 125 | 6 | $lang = []; |
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| 126 | |||
| 127 | 6 | foreach ((array) $file as $_file) { |
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| 128 | 1 | if (is_file($_file)) { |
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| 129 | 1 | $result = $this->parse($_file); |
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| 130 | 1 | $lang = array_change_key_case($result) + $lang; |
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| 131 | } |
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| 132 | } |
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| 133 | |||
| 134 | 6 | if (!empty($lang)) { |
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| 135 | 1 | $this->lang[$range] = $lang + $this->lang[$range]; |
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| 136 | } |
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| 137 | |||
| 138 | 6 | return $this->lang[$range]; |
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| 139 | } |
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| 140 | |||
| 141 | /** |
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| 142 | * 解析语言文件 |
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| 143 | * @access protected |
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| 144 | * @param string $file 语言文件名 |
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| 145 | * @return array |
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| 146 | */ |
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| 147 | 1 | protected function parse(string $file): array |
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| 148 | { |
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| 149 | 1 | $type = pathinfo($file, PATHINFO_EXTENSION); |
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| 150 | |||
| 151 | switch ($type) { |
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| 152 | 1 | case 'php': |
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| 153 | 1 | $result = include $file; |
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| 154 | 1 | break; |
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| 155 | case 'yml': |
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| 156 | case 'yaml': |
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| 157 | if (function_exists('yaml_parse_file')) { |
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| 158 | $result = yaml_parse_file($file); |
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| 159 | } |
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| 160 | break; |
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| 161 | } |
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| 162 | |||
| 163 | 1 | return isset($result) && is_array($result) ? $result : []; |
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| 164 | } |
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| 165 | |||
| 166 | /** |
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| 167 | * 判断是否存在语言定义(不区分大小写) |
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| 168 | * @access public |
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| 169 | * @param string|null $name 语言变量 |
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| 170 | * @param string $range 语言作用域 |
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| 171 | * @return bool |
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| 172 | */ |
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| 173 | public function has(string $name, string $range = ''): bool |
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| 174 | { |
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| 175 | $range = $range ?: $this->range; |
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| 176 | |||
| 177 | if ($this->config['allow_group'] && strpos($name, '.')) { |
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| 178 | list($name1, $name2) = explode('.', $name, 2); |
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| 179 | return isset($this->lang[$range][strtolower($name1)][$name2]); |
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| 180 | } |
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| 181 | |||
| 182 | return isset($this->lang[$range][strtolower($name)]); |
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| 183 | } |
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| 184 | |||
| 185 | /** |
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| 186 | * 获取语言定义(不区分大小写) |
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| 187 | * @access public |
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| 188 | * @param string|null $name 语言变量 |
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| 189 | * @param array $vars 变量替换 |
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| 190 | * @param string $range 语言作用域 |
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| 191 | * @return mixed |
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| 192 | */ |
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| 193 | public function get(string $name = null, array $vars = [], string $range = '') |
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| 194 | { |
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| 195 | $range = $range ?: $this->range; |
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| 196 | |||
| 197 | // 空参数返回所有定义 |
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| 198 | if (is_null($name)) { |
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| 199 | return $this->lang[$range] ?? []; |
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| 200 | } |
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| 201 | |||
| 202 | if ($this->config['allow_group'] && strpos($name, '.')) { |
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| 203 | list($name1, $name2) = explode('.', $name, 2); |
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| 204 | |||
| 205 | $value = $this->lang[$range][strtolower($name1)][$name2] ?? $name; |
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| 206 | } else { |
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| 207 | $value = $this->lang[$range][strtolower($name)] ?? $name; |
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| 208 | } |
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| 209 | |||
| 210 | // 变量解析 |
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| 211 | if (!empty($vars) && is_array($vars)) { |
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| 212 | /** |
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| 213 | * Notes: |
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| 214 | * 为了检测的方便，数字索引的判断仅仅是参数数组的第一个元素的key为数字0 |
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| 215 | * 数字索引采用的是系统的 sprintf 函数替换，用法请参考 sprintf 函数 |
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| 216 | */ |
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| 217 | if (key($vars) === 0) { |
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| 218 | // 数字索引解析 |
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| 219 | array_unshift($vars, $value); |
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| 220 | $value = call_user_func_array('sprintf', $vars); |
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| 221 | } else { |
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| 222 | // 关联索引解析 |
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| 223 | $replace = array_keys($vars); |
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| 224 | foreach ($replace as &$v) { |
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| 225 | $v = "{:{$v}}"; |
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| 226 | } |
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| 227 | $value = str_replace($replace, $vars, $value); |
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| 228 | } |
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| 229 | } |
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| 230 | |||
| 231 | return $value; |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * 自动侦测设置获取语言选择 |
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| 236 | * @access public |
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| 237 | * @return string |
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| 238 | */ |
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| 239 | public function detect(): string |
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| 266 | } |
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| 267 | |||
| 268 | /** |
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| 269 | * 保存当前语言到Cookie |
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| 270 | * @access public |
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| 271 | * @param Cookie $cookie Cookie对象 |
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| 272 | * @return void |
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| 273 | */ |
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| 274 | public function saveToCookie(Cookie $cookie) |
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| 278 | } |
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| 279 | } |
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| 280 | |||
| 281 | } |
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| 282 |
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