1 | <?php |
||||
2 | |||||
3 | /** |
||||
4 | * This file is part of Blitz PHP framework. |
||||
5 | * |
||||
6 | * (c) 2022 Dimitri Sitchet Tomkeu <[email protected]> |
||||
7 | * |
||||
8 | * For the full copyright and license information, please view |
||||
9 | * the LICENSE file that was distributed with this source code. |
||||
10 | */ |
||||
11 | |||||
12 | namespace BlitzPHP\Cache\Handlers; |
||||
13 | |||||
14 | use BlitzPHP\Cache\InvalidArgumentException; |
||||
15 | use CallbackFilterIterator; |
||||
16 | use DateInterval; |
||||
17 | use Exception; |
||||
18 | use FilesystemIterator; |
||||
19 | use LogicException; |
||||
20 | use RecursiveDirectoryIterator; |
||||
21 | use RecursiveIteratorIterator; |
||||
22 | use SplFileInfo; |
||||
23 | use SplFileObject; |
||||
24 | |||||
25 | class File extends BaseHandler |
||||
26 | { |
||||
27 | /** |
||||
28 | * Instance de la classe SplFileObject |
||||
29 | * |
||||
30 | * @var SplFileObject|null |
||||
31 | */ |
||||
32 | protected $_File; |
||||
33 | |||||
34 | /** |
||||
35 | * La configuration par défaut utilisée sauf si elle est remplacée par la configuration d'exécution |
||||
36 | * |
||||
37 | * - `duration` Spécifiez combien de temps durent les éléments de cette configuration de cache. |
||||
38 | * - `groups` Liste des groupes ou 'tags' associés à chaque clé stockée dans cette configuration. |
||||
39 | * pratique pour supprimer un groupe complet du cache. |
||||
40 | * - `lock` Utilisé par FileCache. Les fichiers doivent-ils être verrouillés avant d'y écrire ? |
||||
41 | * - `mask` Le masque utilisé pour les fichiers créés |
||||
42 | * - `path` Chemin d'accès où les fichiers cache doivent être enregistrés. Par défaut, le répertoire temporaire du système. |
||||
43 | * - `prefix` Préfixé à toutes les entrées. Bon pour quand vous avez besoin de partager un keyspace |
||||
44 | * avec une autre configuration de cache ou une autre application. cache::gc d'être appelé automatiquement. |
||||
45 | * - `serialize` Les objets du cache doivent-ils être sérialisés en premier. |
||||
46 | * |
||||
47 | * @var array<string, mixed> |
||||
48 | */ |
||||
49 | protected array $_defaultConfig = [ |
||||
50 | 'duration' => 3600, |
||||
51 | 'groups' => [], |
||||
52 | 'lock' => true, |
||||
53 | 'mask' => 0o664, |
||||
54 | 'path' => null, |
||||
55 | 'prefix' => 'blitz_', |
||||
56 | 'serialize' => true, |
||||
57 | ]; |
||||
58 | |||||
59 | /** |
||||
60 | * Vrai sauf si FileEngine :: __active(); échoue |
||||
61 | */ |
||||
62 | protected bool $_init = true; |
||||
63 | |||||
64 | /** |
||||
65 | * {@inheritDoc} |
||||
66 | */ |
||||
67 | public function init(array $config = []): bool |
||||
68 | { |
||||
69 | parent::init($config); |
||||
70 | |||||
71 | if ($this->_config['path'] === null) { |
||||
72 | $this->_config['path'] = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'blitz-php' . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR; |
||||
73 | } |
||||
74 | if (substr($this->_config['path'], -1) !== DIRECTORY_SEPARATOR) { |
||||
75 | $this->_config['path'] .= DIRECTORY_SEPARATOR; |
||||
76 | } |
||||
77 | if ($this->_groupPrefix) { |
||||
78 | $this->_groupPrefix = str_replace('_', DIRECTORY_SEPARATOR, $this->_groupPrefix); |
||||
79 | } |
||||
80 | |||||
81 | return $this->_active(); |
||||
82 | } |
||||
83 | |||||
84 | /** |
||||
85 | * {@inheritDoc} |
||||
86 | */ |
||||
87 | public function set(string $key, mixed $value, null|DateInterval|int $ttl = null): bool |
||||
88 | { |
||||
89 | if ($value === '' || ! $this->_init) { |
||||
90 | return false; |
||||
91 | } |
||||
92 | |||||
93 | $key = $this->_key($key); |
||||
94 | |||||
95 | if ($this->_setKey($key, true) === false) { |
||||
96 | return false; |
||||
97 | } |
||||
98 | |||||
99 | if (! empty($this->_config['serialize'])) { |
||||
100 | $value = serialize($value); |
||||
101 | } |
||||
102 | |||||
103 | $expires = time() + $this->duration($ttl); |
||||
104 | $contents = implode('', [$expires, PHP_EOL, $value, PHP_EOL]); |
||||
105 | |||||
106 | if ($this->_config['lock']) { |
||||
107 | /** @psalm-suppress PossiblyNullReference */ |
||||
108 | $this->_File->flock(LOCK_EX); |
||||
109 | } |
||||
110 | |||||
111 | /** @psalm-suppress PossiblyNullReference */ |
||||
112 | $this->_File->rewind(); |
||||
113 | $success = $this->_File->ftruncate(0) |
||||
0 ignored issues
–
show
|
|||||
114 | && $this->_File->fwrite($contents) |
||||
115 | && $this->_File->fflush(); |
||||
116 | |||||
117 | if ($this->_config['lock']) { |
||||
118 | $this->_File->flock(LOCK_UN); |
||||
119 | } |
||||
120 | $this->_File = null; |
||||
121 | |||||
122 | return $success; |
||||
123 | } |
||||
124 | |||||
125 | /** |
||||
126 | * {@inheritDoc} |
||||
127 | */ |
||||
128 | public function get(string $key, mixed $default = null): mixed |
||||
129 | { |
||||
130 | $key = $this->_key($key); |
||||
131 | |||||
132 | if (! $this->_init || $this->_setKey($key) === false) { |
||||
133 | return $default; |
||||
134 | } |
||||
135 | |||||
136 | if ($this->_config['lock']) { |
||||
137 | /** @psalm-suppress PossiblyNullReference */ |
||||
138 | $this->_File->flock(LOCK_SH); |
||||
139 | } |
||||
140 | |||||
141 | /** @psalm-suppress PossiblyNullReference */ |
||||
142 | $this->_File->rewind(); |
||||
143 | $time = time(); |
||||
144 | $cachetime = (int) $this->_File->current(); |
||||
145 | |||||
146 | if ($cachetime < $time) { |
||||
147 | if ($this->_config['lock']) { |
||||
148 | $this->_File->flock(LOCK_UN); |
||||
149 | } |
||||
150 | |||||
151 | return $default; |
||||
152 | } |
||||
153 | |||||
154 | $data = ''; |
||||
155 | $this->_File->next(); |
||||
156 | |||||
157 | while ($this->_File->valid()) { |
||||
158 | /** @psalm-suppress PossiblyInvalidOperand */ |
||||
159 | $data .= $this->_File->current(); |
||||
160 | $this->_File->next(); |
||||
161 | } |
||||
162 | |||||
163 | if ($this->_config['lock']) { |
||||
164 | $this->_File->flock(LOCK_UN); |
||||
165 | } |
||||
166 | |||||
167 | $data = trim($data); |
||||
168 | |||||
169 | if ($data !== '' && ! empty($this->_config['serialize'])) { |
||||
170 | $data = unserialize($data); |
||||
171 | } |
||||
172 | |||||
173 | return $data; |
||||
174 | } |
||||
175 | |||||
176 | /** |
||||
177 | * {@inheritDoc} |
||||
178 | */ |
||||
179 | public function delete(string $key): bool |
||||
180 | { |
||||
181 | $key = $this->_key($key); |
||||
182 | |||||
183 | if ($this->_setKey($key) === false || ! $this->_init) { |
||||
184 | return false; |
||||
185 | } |
||||
186 | |||||
187 | /** @psalm-suppress PossiblyNullReference */ |
||||
188 | $path = $this->_File->getRealPath(); |
||||
189 | $this->_File = null; |
||||
190 | |||||
191 | if ($path === false) { |
||||
192 | return false; |
||||
193 | } |
||||
194 | |||||
195 | // phpcs:disable |
||||
196 | return @unlink($path); |
||||
197 | // phpcs:enable |
||||
198 | } |
||||
199 | |||||
200 | /** |
||||
201 | * {@inheritDoc} |
||||
202 | */ |
||||
203 | public function clear(): bool |
||||
204 | { |
||||
205 | if (! $this->_init) { |
||||
206 | return false; |
||||
207 | } |
||||
208 | $this->_File = null; |
||||
209 | |||||
210 | $this->_clearDirectory($this->_config['path']); |
||||
211 | |||||
212 | $directory = new RecursiveDirectoryIterator( |
||||
213 | $this->_config['path'], |
||||
214 | FilesystemIterator::SKIP_DOTS |
||||
215 | ); |
||||
216 | $contents = new RecursiveIteratorIterator( |
||||
217 | $directory, |
||||
218 | RecursiveIteratorIterator::SELF_FIRST |
||||
219 | ); |
||||
220 | $cleared = []; |
||||
221 | |||||
222 | /** @var SplFileInfo $fileInfo */ |
||||
223 | foreach ($contents as $fileInfo) { |
||||
224 | if ($fileInfo->isFile()) { |
||||
225 | unset($fileInfo); |
||||
226 | |||||
227 | continue; |
||||
228 | } |
||||
229 | |||||
230 | $realPath = $fileInfo->getRealPath(); |
||||
231 | if (! $realPath) { |
||||
232 | unset($fileInfo); |
||||
233 | |||||
234 | continue; |
||||
235 | } |
||||
236 | |||||
237 | $path = $realPath . DIRECTORY_SEPARATOR; |
||||
238 | if (! in_array($path, $cleared, true)) { |
||||
239 | $this->_clearDirectory($path); |
||||
240 | $cleared[] = $path; |
||||
241 | } |
||||
242 | |||||
243 | // les itérateurs internes possibles doivent également être désactivés pour que les verrous sur les parents soient libérés |
||||
244 | unset($fileInfo); |
||||
245 | } |
||||
246 | |||||
247 | // la désactivation des itérateurs aide à libérer les verrous possibles dans certains environnements, |
||||
248 | // ce qui pourrait sinon faire échouer `rmdir()` |
||||
249 | unset($directory, $contents); |
||||
250 | |||||
251 | return true; |
||||
252 | } |
||||
253 | |||||
254 | /** |
||||
255 | * Utilisé pour effacer un répertoire de fichiers correspondants. |
||||
256 | */ |
||||
257 | protected function _clearDirectory(string $path): void |
||||
258 | { |
||||
259 | if (! is_dir($path)) { |
||||
260 | return; |
||||
261 | } |
||||
262 | |||||
263 | $dir = dir($path); |
||||
264 | if (! $dir) { |
||||
0 ignored issues
–
show
|
|||||
265 | return; |
||||
266 | } |
||||
267 | |||||
268 | $prefixLength = strlen($this->_config['prefix']); |
||||
269 | |||||
270 | while (($entry = $dir->read()) !== false) { |
||||
271 | if (substr($entry, 0, $prefixLength) !== $this->_config['prefix']) { |
||||
272 | continue; |
||||
273 | } |
||||
274 | |||||
275 | try { |
||||
276 | $file = new SplFileObject($path . $entry, 'r'); |
||||
277 | } catch (Exception $e) { |
||||
278 | continue; |
||||
279 | } |
||||
280 | |||||
281 | if ($file->isFile()) { |
||||
282 | $filePath = $file->getRealPath(); |
||||
283 | unset($file); |
||||
284 | |||||
285 | // phpcs:disable |
||||
286 | @unlink($filePath); |
||||
0 ignored issues
–
show
It seems like you do not handle an error condition for
unlink() . This can introduce security issues, and is generally not recommended.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of
@mkdir($dir);
// Better use
if (@mkdir($dir) === false) {
throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
![]() |
|||||
287 | // phpcs:enable |
||||
288 | } |
||||
289 | } |
||||
290 | |||||
291 | $dir->close(); |
||||
292 | } |
||||
293 | |||||
294 | /** |
||||
295 | * Pas implementé |
||||
296 | * |
||||
297 | * @throws LogicException |
||||
298 | */ |
||||
299 | public function decrement(string $key, int $offset = 1) |
||||
300 | { |
||||
301 | throw new LogicException('Les fichiers ne peuvent pas être décrémentés de manière atomique.'); |
||||
302 | } |
||||
303 | |||||
304 | /** |
||||
305 | * Pas implementé |
||||
306 | * |
||||
307 | * @throws LogicException |
||||
308 | */ |
||||
309 | public function increment(string $key, int $offset = 1) |
||||
310 | { |
||||
311 | throw new LogicException('Les fichiers ne peuvent pas être incrémentés de manière atomique.'); |
||||
312 | } |
||||
313 | |||||
314 | /** |
||||
315 | * {@inheritDoc} |
||||
316 | */ |
||||
317 | public function info() |
||||
318 | { |
||||
319 | return $this->getDirFileInfo($this->_config['path']); |
||||
320 | } |
||||
321 | |||||
322 | /** |
||||
323 | * Définit la clé de cache actuelle que cette classe gère et crée un SplFileObject inscriptible |
||||
324 | * pour le fichier cache auquel la clé fait référence. |
||||
325 | * |
||||
326 | * @param bool $createKey Whether the key should be created if it doesn't exists, or not |
||||
327 | * |
||||
328 | * @return bool true if the cache key could be set, false otherwise |
||||
329 | */ |
||||
330 | protected function _setKey(string $key, bool $createKey = false): bool |
||||
331 | { |
||||
332 | $groups = null; |
||||
333 | if ($this->_groupPrefix) { |
||||
334 | $groups = vsprintf($this->_groupPrefix, $this->groups()); |
||||
335 | } |
||||
336 | $dir = $this->_config['path'] . $groups; |
||||
337 | |||||
338 | if (! is_dir($dir)) { |
||||
339 | mkdir($dir, 0o775, true); |
||||
340 | } |
||||
341 | |||||
342 | $path = new SplFileInfo($dir . $key); |
||||
343 | |||||
344 | if (! $createKey && ! $path->isFile()) { |
||||
345 | return false; |
||||
346 | } |
||||
347 | if ( |
||||
348 | empty($this->_File) |
||||
349 | || $this->_File->getBasename() !== $key |
||||
350 | || $this->_File->valid() === false |
||||
351 | ) { |
||||
352 | $exists = is_file($path->getPathname()); |
||||
353 | |||||
354 | try { |
||||
355 | $this->_File = $path->openFile('c+'); |
||||
356 | } catch (Exception $e) { |
||||
357 | trigger_error($e->getMessage(), E_USER_WARNING); |
||||
358 | |||||
359 | return false; |
||||
360 | } |
||||
361 | unset($path); |
||||
362 | |||||
363 | if (! $exists && ! chmod($this->_File->getPathname(), (int) $this->_config['mask'])) { |
||||
364 | trigger_error(sprintf( |
||||
365 | 'Impossible d\'appliquer le masque d\'autorisation "%s" sur le fichier cache "%s"', |
||||
366 | $this->_File->getPathname(), |
||||
367 | $this->_config['mask'] |
||||
368 | ), E_USER_WARNING); |
||||
369 | } |
||||
370 | } |
||||
371 | |||||
372 | return true; |
||||
373 | } |
||||
374 | |||||
375 | /** |
||||
376 | * Déterminer si le répertoire de cache est accessible en écriture |
||||
377 | */ |
||||
378 | protected function _active(): bool |
||||
379 | { |
||||
380 | $dir = new SplFileInfo($this->_config['path']); |
||||
381 | $path = $dir->getPathname(); |
||||
382 | $success = true; |
||||
383 | if (! is_dir($path)) { |
||||
384 | // phpcs:disable |
||||
385 | $success = @mkdir($path, 0o775, true); |
||||
386 | // phpcs:enable |
||||
387 | } |
||||
388 | |||||
389 | $isWritableDir = ($dir->isDir() && $dir->isWritable()); |
||||
390 | if (! $success || ($this->_init && ! $isWritableDir)) { |
||||
391 | $this->_init = false; |
||||
392 | trigger_error(sprintf( |
||||
393 | '%s is not writable', |
||||
394 | $this->_config['path'] |
||||
395 | ), E_USER_WARNING); |
||||
396 | } |
||||
397 | |||||
398 | return $success; |
||||
399 | } |
||||
400 | |||||
401 | /** |
||||
402 | * {@inheritDoc} |
||||
403 | */ |
||||
404 | protected function _key($key): string |
||||
405 | { |
||||
406 | $key = parent::_key($key); |
||||
407 | |||||
408 | if (preg_match('/[\/\\<>?:|*"]/', $key)) { |
||||
409 | throw new InvalidArgumentException( |
||||
410 | "La clé de cache `{$key}` contient des caractères non valides. " . |
||||
411 | 'Vous ne pouvez pas utiliser /, \\, <, >, ?, :, |, * ou " dans les clés de cache.' |
||||
412 | ); |
||||
413 | } |
||||
414 | |||||
415 | return $key; |
||||
416 | } |
||||
417 | |||||
418 | /** |
||||
419 | * Supprime récursivement tous les fichiers sous n'importe quel répertoire nommé $group |
||||
420 | */ |
||||
421 | public function clearGroup(string $group): bool |
||||
422 | { |
||||
423 | $this->_File = null; |
||||
424 | |||||
425 | $prefix = (string) $this->_config['prefix']; |
||||
426 | |||||
427 | $directoryIterator = new RecursiveDirectoryIterator($this->_config['path']); |
||||
428 | $contents = new RecursiveIteratorIterator( |
||||
429 | $directoryIterator, |
||||
430 | RecursiveIteratorIterator::CHILD_FIRST |
||||
431 | ); |
||||
432 | $filtered = new CallbackFilterIterator( |
||||
433 | $contents, |
||||
434 | static function (SplFileInfo $current) use ($group, $prefix) { |
||||
435 | if (! $current->isFile()) { |
||||
436 | return false; |
||||
437 | } |
||||
438 | |||||
439 | $hasPrefix = $prefix === '' |
||||
440 | || str_starts_with($current->getBasename(), $prefix); |
||||
441 | if ($hasPrefix === false) { |
||||
442 | return false; |
||||
443 | } |
||||
444 | |||||
445 | $pos = strpos( |
||||
446 | $current->getPathname(), |
||||
447 | DIRECTORY_SEPARATOR . $group . DIRECTORY_SEPARATOR |
||||
448 | ); |
||||
449 | |||||
450 | return $pos !== false; |
||||
451 | } |
||||
452 | ); |
||||
453 | |||||
454 | foreach ($filtered as $object) { |
||||
455 | $path = $object->getPathname(); |
||||
456 | unset($object); |
||||
457 | // phpcs:ignore |
||||
458 | @unlink($path); |
||||
0 ignored issues
–
show
It seems like you do not handle an error condition for
unlink() . This can introduce security issues, and is generally not recommended.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of
@mkdir($dir);
// Better use
if (@mkdir($dir) === false) {
throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
![]() |
|||||
459 | } |
||||
460 | |||||
461 | // la désactivation des itérateurs permet de libérer d'éventuels verrous dans certains environnements, |
||||
462 | // qui pourrait autrement faire échouer `rmdir()` |
||||
463 | unset($directoryIterator, $contents, $filtered); |
||||
464 | |||||
465 | return true; |
||||
466 | } |
||||
467 | |||||
468 | /** |
||||
469 | * Lit le répertoire spécifié et construit un tableau contenant les noms de fichiers, |
||||
470 | * taille de fichier, dates et autorisations |
||||
471 | * |
||||
472 | * Tous les sous-dossiers contenus dans le chemin spécifié sont également lus. |
||||
473 | * |
||||
474 | * @param string $sourceDir Chemin d'accès à la source |
||||
475 | * @param bool $topLevelOnly Ne regarder que le répertoire de niveau supérieur spécifié ? |
||||
476 | * @param bool $_recursion Variable interne pour déterminer l'état de la récursivité - ne pas utiliser dans les appels |
||||
477 | * |
||||
478 | * @return array|false |
||||
479 | */ |
||||
480 | protected function getDirFileInfo(string $sourceDir, bool $topLevelOnly = true, bool $_recursion = false) |
||||
481 | { |
||||
482 | static $_filedata = []; |
||||
483 | $relativePath = $sourceDir; |
||||
484 | |||||
485 | if ($fp = @opendir($sourceDir)) { |
||||
486 | // réinitialise le tableau et s'assure que $source_dir a une barre oblique à la fin de l'appel initial |
||||
487 | if ($_recursion === false) { |
||||
488 | $_filedata = []; |
||||
489 | $sourceDir = rtrim(realpath($sourceDir) ?: $sourceDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR; |
||||
490 | } |
||||
491 | |||||
492 | // Utilisé pour être foreach (scandir($source_dir, 1) comme $file), mais scandir() n'est tout simplement pas aussi rapide |
||||
493 | while (false !== ($file = readdir($fp))) { |
||||
494 | if (is_dir($sourceDir . $file) && $file[0] !== '.' && $topLevelOnly === false) { |
||||
495 | $this->getDirFileInfo($sourceDir . $file . DIRECTORY_SEPARATOR, $topLevelOnly, true); |
||||
496 | } elseif (! is_dir($sourceDir . $file) && $file[0] !== '.') { |
||||
497 | $_filedata[$file] = $this->getFileInfo($sourceDir . $file); |
||||
498 | $_filedata[$file]['relative_path'] = $relativePath; |
||||
499 | } |
||||
500 | } |
||||
501 | |||||
502 | closedir($fp); |
||||
503 | |||||
504 | return $_filedata; |
||||
505 | } |
||||
506 | |||||
507 | return false; |
||||
508 | } |
||||
509 | |||||
510 | /** |
||||
511 | * Étant donné un fichier et un chemin, renvoie le nom, le chemin, la taille, la date de modification |
||||
512 | * Le deuxième paramètre vous permet de déclarer explicitement les informations que vous souhaitez renvoyer |
||||
513 | * Les options sont : nom, chemin_serveur, taille, date, lisible, inscriptible, exécutable, fileperms |
||||
514 | * Renvoie FALSE si le fichier est introuvable. |
||||
515 | * |
||||
516 | * @param array|string $returnedValues Tableau ou chaîne d'informations séparées par des virgules renvoyée |
||||
517 | * |
||||
518 | * @return array|false |
||||
519 | */ |
||||
520 | protected function getFileInfo(string $file, $returnedValues = ['name', 'server_path', 'size', 'date']) |
||||
521 | { |
||||
522 | if (! is_file($file)) { |
||||
523 | return false; |
||||
524 | } |
||||
525 | |||||
526 | if (is_string($returnedValues)) { |
||||
527 | $returnedValues = explode(',', $returnedValues); |
||||
528 | } |
||||
529 | |||||
530 | $fileInfo = []; |
||||
531 | |||||
532 | foreach ($returnedValues as $key) { |
||||
533 | switch ($key) { |
||||
534 | case 'name': |
||||
535 | $fileInfo['name'] = basename($file); |
||||
536 | break; |
||||
537 | |||||
538 | case 'server_path': |
||||
539 | $fileInfo['server_path'] = $file; |
||||
540 | break; |
||||
541 | |||||
542 | case 'size': |
||||
543 | $fileInfo['size'] = filesize($file); |
||||
544 | break; |
||||
545 | |||||
546 | case 'date': |
||||
547 | $fileInfo['date'] = filemtime($file); |
||||
548 | break; |
||||
549 | |||||
550 | case 'readable': |
||||
551 | $fileInfo['readable'] = is_readable($file); |
||||
552 | break; |
||||
553 | |||||
554 | case 'writable': |
||||
555 | $fileInfo['writable'] = is_writable($file); |
||||
556 | break; |
||||
557 | |||||
558 | case 'executable': |
||||
559 | $fileInfo['executable'] = is_executable($file); |
||||
560 | break; |
||||
561 | |||||
562 | case 'fileperms': |
||||
563 | $fileInfo['fileperms'] = fileperms($file); |
||||
564 | break; |
||||
565 | } |
||||
566 | } |
||||
567 | |||||
568 | return $fileInfo; |
||||
569 | } |
||||
570 | } |
||||
571 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.