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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| 10 | class Select extends Field  | 
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| 11 | { | 
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| 12 | /**  | 
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| 13 | * @var array  | 
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| 14 | */  | 
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| 15 | protected static $css = [  | 
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| 16 | '/vendor/laravel-admin/AdminLTE/plugins/select2/select2.min.css',  | 
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| 17 | ];  | 
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| 18 | |||
| 19 | /**  | 
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| 20 | * @var array  | 
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| 21 | */  | 
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| 22 | protected static $js = [  | 
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| 23 | '/vendor/laravel-admin/AdminLTE/plugins/select2/select2.full.min.js',  | 
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| 24 | ];  | 
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| 25 | |||
| 26 | /**  | 
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| 27 | * @var array  | 
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| 28 | */  | 
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| 29 | protected $groups = [];  | 
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| 30 | |||
| 31 | /**  | 
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| 32 | * @var array  | 
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| 33 | */  | 
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| 34 | protected $config = [];  | 
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| 35 | |||
| 36 | /**  | 
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| 37 | * Set options.  | 
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| 38 | *  | 
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| 39 | * @param array|callable|string $options  | 
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| 40 | *  | 
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| 41 | * @return $this|mixed  | 
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| 42 | */  | 
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| 43 | public function options($options = [])  | 
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| 62 | |||
| 63 | /**  | 
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| 64 | * @param array $groups  | 
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| 65 | */  | 
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| 66 | |||
| 67 | /**  | 
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| 68 | * Set option groups.  | 
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| 69 | *  | 
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| 70 | * eg: $group = [  | 
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| 71 | * [  | 
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| 72 | * 'label' => 'xxxx',  | 
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| 73 | * 'options' => [  | 
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| 74 | * 1 => 'foo',  | 
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| 75 | * 2 => 'bar',  | 
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| 76 | * ...  | 
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| 77 | * ],  | 
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| 78 | * ...  | 
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| 79 | * ]  | 
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| 80 | *  | 
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| 81 | * @param array $groups  | 
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| 82 | *  | 
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| 83 | * @return $this  | 
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| 84 | */  | 
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| 85 | public function groups(array $groups)  | 
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| 91 | |||
| 92 | /**  | 
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| 93 | * Load options for other select on change.  | 
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| 94 | *  | 
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| 95 | * @param string $field  | 
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| 96 | * @param string $sourceUrl  | 
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| 97 | * @param string $idField  | 
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| 98 | * @param string $textField  | 
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| 99 | *  | 
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| 100 | * @return $this  | 
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| 101 | */  | 
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| 102 | public function load($field, $sourceUrl, $idField = 'id', $textField = 'text')  | 
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| 132 | |||
| 133 | /**  | 
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| 134 | * Load options for other selects on change.  | 
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| 135 | *  | 
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| 136 | * @param string $fields  | 
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| 137 | * @param string $sourceUrls  | 
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| 138 | * @param string $idField  | 
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| 139 | * @param string $textField  | 
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| 140 | *  | 
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| 141 | * @return $this  | 
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| 142 | */  | 
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| 143 | public function loads($fields = [], $sourceUrls = [] , $idField = 'id', $textField = 'text')  | 
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| 184 | |||
| 185 | /**  | 
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| 186 | * Load options from remote.  | 
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| 187 | *  | 
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| 188 | * @param string $url  | 
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| 189 | * @param array $parameters  | 
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| 190 | * @param array $options  | 
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| 191 | *  | 
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| 192 | * @return $this  | 
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| 193 | */  | 
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| 194 | View Code Duplication | protected function loadRemoteOptions($url, $parameters = [], $options = [])  | 
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| 212 | |||
| 213 | /**  | 
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| 214 | * Load options from ajax results.  | 
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| 215 | *  | 
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| 216 | * @param string $url  | 
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| 217 | * @param $idField  | 
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| 218 | * @param $textField  | 
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| 219 | *  | 
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| 220 | * @return $this  | 
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| 221 | */  | 
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| 222 | public function ajax($url, $idField = 'id', $textField = 'text')  | 
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| 263 | |||
| 264 | /**  | 
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| 265 | * Set config for select2.  | 
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| 266 | *  | 
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| 267 | * all configurations see https://select2.org/configuration/options-api  | 
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| 268 | *  | 
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| 269 | * @param string $key  | 
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| 270 | * @param mixed $val  | 
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| 271 | *  | 
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| 272 | * @return $this  | 
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| 273 | */  | 
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| 274 | public function config($key, $val)  | 
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| 280 | |||
| 281 | /**  | 
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| 282 |      * {@inheritdoc} | 
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| 283 | */  | 
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| 284 | public function render()  | 
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| 312 | }  | 
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| 313 | 
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: