Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php | ||
| 32 | class ExampleCommands extends \Robo\Tasks | ||
| 33 | { | ||
| 34 | /** | ||
| 35 | * Watch a file. | ||
| 36 | * | ||
| 37 | * Demonstrates the 'watch' command. Runs 'composer update' any time | ||
| 38 | * composer.json changes. | ||
| 39 | */ | ||
| 40 | public function tryWatch() | ||
| 46 | |||
| 47 | /** | ||
| 48 | * Demonstrates Robo input APIs. | ||
| 49 | */ | ||
| 50 | public function tryInput() | ||
| 65 | |||
| 66 | /** | ||
| 67 | * Demonstrate Robo configuration. | ||
| 68 | * | ||
| 69 | * Config values are loaded from the followig locations: | ||
| 70 | * | ||
| 71 | * - [Robo Project]/robo.yml | ||
| 72 | * - $HOME/.robo/robo.yml | ||
| 73 | * - $CWD/robo.yml | ||
| 74 | * - Environment variables ROBO_CONFIG_KEY (e.g. ROBO_OPTIONS_PROGRESS_DELAY) | ||
| 75 | * - Overridden on the commandline via -Doptions.progress-delay=value | ||
| 76 | * | ||
| 77 | * @param string $key Name of the option to read (e.g. options.progress-delay) | ||
| 78 | * @option opt An option whose value is printed. Can be overridden in | ||
| 79 | * configuration via the configuration key command.try.config.options.opt. | ||
| 80 | * @option show-all Also print out the value of all configuration options | ||
| 81 | */ | ||
| 82 | public function tryConfig($key = 'options.progress-delay', $options = ['opt' => '0', 'show-all' => false]) | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Demonstrates serial execution. | ||
| 96 | * | ||
| 97 | * @option $printed Print the output of each process. | ||
| 98 | * @option $error Include an extra process that fails. | ||
| 99 | */ | ||
| 100 | public function tryExec($options = ['printed' => true, 'error' => false]) | ||
| 117 | |||
| 118 | /** | ||
| 119 | * Demonstrates parallel execution. | ||
| 120 | * | ||
| 121 | * @option $printed Print the output of each process. | ||
| 122 | * @option $error Include an extra process that fails. | ||
| 123 | */ | ||
| 124 | public function tryPara($options = ['printed' => true, 'error' => false]) | ||
| 138 | |||
| 139 | /** | ||
| 140 | * try:opt-required | ||
| 141 | */ | ||
| 142 | public function tryOptRequired($options = ['foo' => InputOption::VALUE_REQUIRED]) | ||
| 146 | |||
| 147 | /** | ||
| 148 | * Demonstrates Robo argument passing. | ||
| 149 | * | ||
| 150 | * @param string $a The first parameter. Required. | ||
| 151 | * @param string $b The second parameter. Optional. | ||
| 152 | */ | ||
| 153 | public function tryArgs($a, $b = 'default') | ||
| 157 | |||
| 158 | /** | ||
| 159 | * Demonstrate Robo variable argument passing. | ||
| 160 | * | ||
| 161 | * @param array $a A list of commandline parameters. | ||
| 162 | * @param array $options | ||
| 163 | */ | ||
| 164 | public function tryArrayArgs(array $a, array $options = ['foo' => []]) | ||
| 171 | |||
| 172 | /** | ||
| 173 | * Demonstrate use of Symfony $input object in Robo in place of | ||
| 174 | * the usual "parameter arguments". | ||
| 175 | * | ||
| 176 | * @arg array $a A list of commandline parameters. | ||
| 177 | * @option foo | ||
| 178 | * @default a [] | ||
| 179 | * @default foo [] | ||
| 180 | */ | ||
| 181 | View Code Duplication | public function trySymfony(InputInterface $input) | |
| 190 | |||
| 191 | /** | ||
| 192 | * Demonstrate Robo boolean options. | ||
| 193 | * | ||
| 194 | * @param $opts The options. | ||
| 195 | * @option boolean $silent Supress output. | ||
| 196 | */ | ||
| 197 | public function tryOptbool($opts = ['silent|s' => false]) | ||
| 203 | |||
| 204 | /** | ||
| 205 | * Demonstrate the use of the PHP built-in webserver. | ||
| 206 | */ | ||
| 207 | public function tryServer() | ||
| 214 | |||
| 215 | /** | ||
| 216 | * Demonstrate the use of the Robo open-browser task. | ||
| 217 | */ | ||
| 218 | public function tryOpenBrowser() | ||
| 225 | |||
| 226 | /** | ||
| 227 | * Demonstrate Robo error output and command failure. | ||
| 228 | */ | ||
| 229 | public function tryError() | ||
| 233 | |||
| 234 | /** | ||
| 235 | * Demonstrate Robo standard output and command success. | ||
| 236 | */ | ||
| 237 | public function trySuccess() | ||
| 241 | |||
| 242 | /** | ||
| 243 | * @field-labels | ||
| 244 | * name: Name | ||
| 245 | * species: Species | ||
| 246 | * legs: Legs | ||
| 247 | * food: Favorite Food | ||
| 248 | * id: Id | ||
| 249 | * @return PropertyList | ||
| 250 | */ | ||
| 251 | public function tryInfo() | ||
| 279 | |||
| 280 | /** | ||
| 281 | * Demonstrate Robo formatters. Default format is 'table'. | ||
| 282 | * | ||
| 283 | * @field-labels | ||
| 284 | * first: I | ||
| 285 | * second: II | ||
| 286 | * third: III | ||
| 287 | * @default-string-field second | ||
| 288 | * @usage try:formatters --format=yaml | ||
| 289 | * @usage try:formatters --format=csv | ||
| 290 | * @usage try:formatters --fields=first,third | ||
| 291 | * @usage try:formatters --fields=III,II | ||
| 292 | * @aliases tf | ||
| 293 | * | ||
| 294 | * @return \Consolidation\OutputFormatters\StructuredData\RowsOfFields | ||
| 295 | */ | ||
| 296 | public function tryFormatters($somthing = 'default', $options = ['format' => 'table', 'fields' => '']) | ||
| 306 | |||
| 307 | /** | ||
| 308 | * Try word wrapping | ||
| 309 | * | ||
| 310 | * @field-labels | ||
| 311 | * first: First | ||
| 312 | * second: Second | ||
| 313 | * | ||
| 314 | * @return \Consolidation\OutputFormatters\StructuredData\RowsOfFields | ||
| 315 | */ | ||
| 316 | public function tryWrap() | ||
| 326 | |||
| 327 | /** | ||
| 328 | * Demonstrate an alter hook with an option | ||
| 329 | * | ||
| 330 | * @hook alter try:formatters | ||
| 331 | * @option $french Add a row with French numbers. | ||
| 332 | * @usage try:formatters --french | ||
| 333 | */ | ||
| 334 | public function alterFormatters($result, CommandData $commandData) | ||
| 342 | |||
| 343 | /** | ||
| 344 | * Demonstrate what happens when a command or a task | ||
| 345 | * throws an exception. Note that typically, Robo commands | ||
| 346 | * should return Result objects rather than throw exceptions. | ||
| 347 | */ | ||
| 348 | public function tryException($options = ['task' => false]) | ||
| 355 | |||
| 356 | /** | ||
| 357 | * Demonstrate deprecated task behavior. | ||
| 358 | * | ||
| 359 | * Demonstrate what happens when using a task that is created via | ||
| 360 | * direct instantiation, which omits initialization done by the | ||
| 361 | * container. Emits a warning message. | ||
| 362 | */ | ||
| 363 | public function tryDeprecated() | ||
| 370 | |||
| 371 | /** | ||
| 372 | * Demonstrate the use of a collection builder to chain multiple tasks | ||
| 373 | * together into a collection, which is executed once constructed. | ||
| 374 | * | ||
| 375 | * For demonstration purposes only; this could, of course, be done | ||
| 376 | * with a single FilesystemStack. | ||
| 377 | */ | ||
| 378 | public function tryBuilder() | ||
| 392 | |||
| 393 | public function tryState() | ||
| 403 | |||
| 404 | public function tryBuilderRollback() | ||
| 431 | |||
| 432 | public function tryWorkdir() | ||
| 459 | |||
| 460 | /** | ||
| 461 | * Demonstrates Robo temporary directory usage. | ||
| 462 | */ | ||
| 463 | public function tryTmpDir() | ||
| 485 | |||
| 486 | /** | ||
| 487 | * Description | ||
| 488 | * @param $options | ||
| 489 | * @option delay Miliseconds delay | ||
| 490 | * @return type | ||
| 491 | */ | ||
| 492 | public function tryProgress($options = ['delay' => 500]) | ||
| 512 | |||
| 513 | public function tryIter() | ||
| 533 | } | ||
| 534 | |||
| 549 | 
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.