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 |
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| 18 | class Bbb |
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| 19 | { |
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| 20 | use initMeeting; |
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| 21 | |||
| 22 | /** |
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| 23 | * @var |
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| 24 | */ |
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| 25 | private $response; |
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| 26 | /** |
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| 27 | * @var BigBlueButton |
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| 28 | */ |
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| 29 | protected $bbb; |
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| 30 | |||
| 31 | |||
| 32 | /** |
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| 33 | * Bbb constructor. |
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| 34 | * |
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| 35 | * @param BigBlueButton $bbb |
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| 36 | */ |
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| 37 | public function __construct(BigBlueButton $bbb) |
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| 41 | |||
| 42 | /** |
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| 43 | * @return BigBlueButton |
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| 44 | */ |
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| 45 | public function make() |
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| 49 | /** |
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| 50 | * Return a list of all meetings |
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| 51 | * |
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| 52 | * @return \Illuminate\Support\Collection |
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| 53 | */ |
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| 54 | public function all() |
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| 70 | |||
| 71 | |||
| 72 | /** |
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| 73 | * $meeting |
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| 74 | * |
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| 75 | * @param $meeting |
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| 76 | * |
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| 77 | * required fields |
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| 78 | * meetingID |
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| 79 | * meetingName |
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| 80 | * |
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| 81 | * @return mixed |
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| 82 | */ |
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| 83 | View Code Duplication | public function create($meeting) |
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| 96 | |||
| 97 | /** |
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| 98 | * @param $meeting |
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| 99 | * |
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| 100 | * required fields: |
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| 101 | * meetingID |
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| 102 | * |
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| 103 | * @return bool |
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| 104 | */ |
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| 105 | View Code Duplication | public function isMeetingRunning($meeting) |
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| 121 | |||
| 122 | /** |
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| 123 | * Join meeting |
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| 124 | * |
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| 125 | * @param $meeting |
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| 126 | * required fields |
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| 127 | * |
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| 128 | * meetingID |
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| 129 | * userName join by name |
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| 130 | * password which role want to join |
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| 131 | * |
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| 132 | * @return string |
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| 133 | */ |
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| 134 | public function join($meeting) |
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| 146 | |||
| 147 | /** |
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| 148 | * Returns information about the meeting |
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| 149 | * |
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| 150 | * @param $meeting |
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| 151 | * required fields |
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| 152 | * meetingID |
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| 153 | * moderatorPW must be there moderator password |
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| 154 | * |
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| 155 | * @return \Illuminate\Support\Collection |
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| 156 | */ |
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| 157 | View Code Duplication | public function getMeetingInfo($meeting) |
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| 170 | |||
| 171 | /** |
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| 172 | * @param $parameters |
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| 173 | * |
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| 174 | * required fields |
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| 175 | * meetingID |
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| 176 | * meetingName |
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| 177 | * userName |
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| 178 | * attendeePW |
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| 179 | * moderatorPW |
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| 180 | * |
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| 181 | * @return mixed |
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| 182 | */ |
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| 183 | public function start($parameters) |
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| 187 | |||
| 188 | /** |
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| 189 | * Close meeting |
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| 190 | * |
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| 191 | * @param $meeting |
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| 192 | * required fields: |
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| 193 | * meetingID |
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| 194 | * moderatorPW close meeting must be there moderator password |
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| 195 | * |
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| 196 | * @return bool |
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| 197 | */ |
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| 198 | public function close($meeting) |
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| 211 | |||
| 212 | /** |
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| 213 | * |
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| 214 | * @param $recording |
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| 215 | * required fields |
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| 216 | * meetingID |
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| 217 | * |
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| 218 | * optional fields |
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| 219 | * recordID |
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| 220 | * state |
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| 221 | * @return \Illuminate\Support\Collection |
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| 222 | */ |
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| 223 | public function getRecordings($recording) |
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| 241 | |||
| 242 | /** |
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| 243 | * @param $recording |
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| 244 | * recordID as string(sepeate by commma) |
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| 245 | * publish as bool |
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| 246 | * |
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| 247 | * @return bool |
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| 248 | */ |
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| 249 | View Code Duplication | public function publishRecordings($recording) |
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| 265 | |||
| 266 | /** |
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| 267 | * @param $recording |
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| 268 | * |
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| 269 | * required fields |
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| 270 | * recordingID |
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| 271 | * |
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| 272 | * @return \Illuminate\Support\Collection |
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| 273 | */ |
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| 274 | public function deleteRecordings($recording) |
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| 283 | |||
| 284 | /** |
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| 285 | * @param $configXml |
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| 286 | * |
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| 287 | * @return \Illuminate\Support\Collection |
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| 288 | */ |
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| 289 | public function setConfigXml($configXml) |
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| 298 | |||
| 299 | /** |
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| 300 | * @return \BigBlueButton\Responses\GetDefaultConfigXMLResponse |
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| 301 | */ |
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| 302 | public function getDefaultConfigXml() |
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| 307 | |||
| 308 | /** |
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| 309 | * @return \Illuminate\Support\Collection |
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| 310 | */ |
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| 311 | public function getApiVersion() |
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| 316 | |||
| 317 | |||
| 318 | |||
| 319 | } |
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| 320 |
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: