| Conditions | 47 |
| Paths | 18436 |
| Total Lines | 143 |
| Code Lines | 111 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 252 | function I($name, $default = '', $filter = null, $datas = null) |
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| 253 | { |
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| 254 | static $_PUT = null; |
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| 255 | if (strpos($name, '/')) { |
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| 256 | // 指定修饰符 |
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| 257 | list($name, $type) = explode('/', $name, 2); |
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| 258 | } else{ |
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| 259 | // 默认强制转换为字符串 |
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| 260 | $type = 's'; |
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| 261 | } |
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| 262 | if (strpos($name, '.')) { |
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| 263 | // 指定参数来源 |
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| 264 | list($method, $name) = explode('.', $name, 2); |
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| 265 | } else { |
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| 266 | // 默认为自动判断 |
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| 267 | $method = 'param'; |
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| 268 | } |
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| 269 | switch (strtolower($method)) { |
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| 270 | case 'get': |
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| 271 | $input = &$_GET; |
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| 272 | break; |
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| 273 | case 'post': |
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| 274 | $input = &$_POST; |
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| 275 | break; |
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| 276 | case 'put': |
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| 277 | if (is_null($_PUT)) { |
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| 278 | parse_str(file_get_contents('php://input'), $_PUT); |
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| 279 | } |
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| 280 | $input = $_PUT; |
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| 281 | break; |
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| 282 | case 'param': |
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| 283 | switch ($_SERVER['REQUEST_METHOD']) { |
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| 284 | case 'POST': |
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| 285 | $input = $_POST; |
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| 286 | break; |
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| 287 | case 'PUT': |
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| 288 | if (is_null($_PUT)) { |
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| 289 | parse_str(file_get_contents('php://input'), $_PUT); |
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| 290 | } |
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| 291 | $input = $_PUT; |
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| 292 | break; |
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| 293 | default: |
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| 294 | $input = $_GET; |
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| 295 | } |
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| 296 | break; |
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| 297 | case 'path': |
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| 298 | $input = array(); |
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| 299 | if (!empty($_SERVER['PATH_INFO'])) { |
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| 300 | $depr = C('URL_PATHINFO_DEPR'); |
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| 301 | $input = explode($depr, trim($_SERVER['PATH_INFO'], $depr)); |
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| 302 | } |
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| 303 | break; |
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| 304 | case 'request': |
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| 305 | $input = &$_REQUEST; |
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| 306 | break; |
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| 307 | case 'session': |
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| 308 | $input = &$_SESSION; |
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| 309 | break; |
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| 310 | case 'cookie': |
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| 311 | $input = &$_COOKIE; |
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| 312 | break; |
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| 313 | case 'server': |
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| 314 | $input = &$_SERVER; |
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| 315 | break; |
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| 316 | case 'globals': |
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| 317 | $input = &$GLOBALS; |
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| 318 | break; |
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| 319 | case 'data': |
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| 320 | $input = &$datas; |
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| 321 | break; |
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| 322 | default: |
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| 323 | return null; |
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| 324 | } |
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| 325 | if ('' == $name) { |
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| 326 | // 获取全部变量 |
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| 327 | $data = $input; |
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| 328 | $filters = isset($filter) ? $filter : 'htmlspecialchars'; |
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| 329 | if ($filters) { |
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| 330 | if (is_string($filters)) { |
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| 331 | $filters = explode(',', $filters); |
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| 332 | } |
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| 333 | foreach ($filters as $filter) { |
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| 334 | $data = array_map_recursive($filter, $data); // 参数过滤 |
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| 335 | } |
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| 336 | } |
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| 337 | } elseif (isset($input[$name])) { |
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| 338 | // 取值操作 |
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| 339 | $data = $input[$name]; |
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| 340 | $filters = isset($filter) ? $filter : 'htmlspecialchars'; |
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| 341 | if ($filters) { |
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| 342 | if (is_string($filters)) { |
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| 343 | if (0 === strpos($filters, '/')) { |
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| 344 | if (1 !== preg_match($filters, (string) $data)) { |
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| 345 | // 支持正则验证 |
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| 346 | return isset($default) ? $default : null; |
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| 347 | } |
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| 348 | } else { |
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| 349 | $filters = explode(',', $filters); |
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| 350 | } |
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| 351 | } elseif (is_int($filters)) { |
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| 352 | $filters = array($filters); |
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| 353 | } |
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| 354 | |||
| 355 | if (is_array($filters)) { |
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| 356 | foreach ($filters as $filter) { |
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| 357 | $filter = trim($filter); |
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| 358 | if (function_exists($filter)) { |
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| 359 | $data = is_array($data) ? array_map_recursive($filter, $data) : $filter($data); // 参数过滤 |
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| 360 | } else { |
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| 361 | $data = filter_var($data, is_int($filter) ? $filter : filter_id($filter)); |
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| 362 | if (false === $data) { |
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| 363 | return isset($default) ? $default : null; |
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| 364 | } |
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| 365 | } |
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| 366 | } |
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| 367 | } |
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| 368 | } |
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| 369 | if (!empty($type)) { |
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| 370 | switch (strtolower($type)) { |
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| 371 | case 'a': // 数组 |
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| 372 | $data = (array) $data; |
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| 373 | break; |
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| 374 | case 'd': // 数字 |
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| 375 | $data = (int) $data; |
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| 376 | break; |
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| 377 | case 'f': // 浮点 |
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| 378 | $data = (float) $data; |
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| 379 | break; |
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| 380 | case 'b': // 布尔 |
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| 381 | $data = (boolean) $data; |
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| 382 | break; |
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| 383 | case 's':// 字符串 |
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| 384 | default: |
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| 385 | $data = (string) $data; |
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| 386 | } |
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| 387 | } |
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| 388 | } else { |
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| 389 | // 变量默认值 |
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| 390 | $data = isset($default) ? $default : null; |
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| 391 | } |
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| 392 | is_array($data) && array_walk_recursive($data, 'think_filter'); |
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| 393 | return $data; |
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| 394 | } |
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| 395 | function array_map_recursive($filter, $data) |
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| 437 | } |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: