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:
Complex classes like Html often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Html, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 25 | class Html |
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| 26 | { |
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| 27 | use Macroable; |
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| 28 | |||
| 29 | /** @var \Illuminate\Http\Request */ |
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| 30 | protected $request; |
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| 31 | |||
| 32 | /** @var \ArrayAccess|array */ |
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| 33 | protected $model; |
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| 34 | |||
| 35 | public function __construct(Request $request) |
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| 39 | |||
| 40 | /** |
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| 41 | * @param string|null $href |
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| 42 | * @param string|null $text |
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| 43 | * |
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| 44 | * @return \Spatie\Html\Elements\A |
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| 45 | */ |
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| 46 | public function a($href = null, $contents = null) |
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| 52 | |||
| 53 | /** |
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| 54 | * @param string|null $type |
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| 55 | * @param string|null $text |
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| 56 | * |
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| 57 | * @return \Spatie\Html\Elements\Button |
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| 58 | */ |
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| 59 | public function button($contents = null, $type = null) |
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| 65 | |||
| 66 | /** |
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| 67 | * @param \Illuminate\Support\Collection|iterable|string $classes |
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| 68 | * |
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| 69 | * @return \Illuminate\Contracts\Support\Htmlable |
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| 70 | */ |
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| 71 | public function class($classes): Htmlable |
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| 84 | |||
| 85 | /** |
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| 86 | * @param string|null $name |
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| 87 | * @param bool $checked |
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| 88 | * @param string|null $value |
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| 89 | * |
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| 90 | * @return \Spatie\Html\Elements\Input |
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| 91 | */ |
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| 92 | public function checkbox($name = null, $checked = false, $value = '1') |
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| 97 | |||
| 98 | /** |
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| 99 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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| 100 | * |
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| 101 | * @return \Spatie\Html\Elements\Div |
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| 102 | */ |
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| 103 | public function div($contents = null) |
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| 107 | |||
| 108 | /** |
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| 109 | * @param string|null $name |
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| 110 | * @param string|null $value |
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| 111 | * |
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| 112 | * @return \Spatie\Html\Elements\Input |
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| 113 | */ |
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| 114 | public function email($name = '', $value = '') |
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| 118 | |||
| 119 | /** |
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| 120 | * @param string $tag |
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| 121 | * |
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| 122 | * @return \Spatie\Html\Elements\Element |
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| 123 | */ |
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| 124 | public function element($tag) |
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| 128 | |||
| 129 | /** |
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| 130 | * @param string|null $type |
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| 131 | * @param string|null $name |
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| 132 | * @param string|null $value |
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| 133 | * |
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| 134 | * @return \Spatie\Html\Elements\Input |
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| 135 | */ |
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| 136 | public function input($type = null, $name = null, $value = null) |
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| 144 | |||
| 145 | /** |
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| 146 | * @param \Spatie\Html\HtmlElement|string|null $legend |
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| 147 | * |
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| 148 | * @return \Spatie\Html\Elements\Fieldset |
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| 149 | */ |
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| 150 | public function fieldset($legend = null) |
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| 156 | |||
| 157 | /** |
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| 158 | * @param string $method |
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| 159 | * @param string|null $action |
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| 160 | * |
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| 161 | * @return \Spatie\Html\Elements\Form |
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| 162 | */ |
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| 163 | public function form($method = 'POST', $action = null) |
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| 183 | |||
| 184 | /** |
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| 185 | * @param string|null $name |
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| 186 | * @param string|null $value |
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| 187 | * |
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| 188 | * @return \Spatie\Html\Elements\Input |
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| 189 | */ |
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| 190 | public function hidden($name = null, $value = null) |
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| 194 | |||
| 195 | /** |
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| 196 | * @param \Spatie\Html\HtmlElement|iterable|string|null $contents |
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| 197 | * @param string|null $for |
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| 198 | * |
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| 199 | * @return \Spatie\Html\Elements\Label |
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| 200 | */ |
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| 201 | public function label($contents = null, $for = null) |
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| 207 | |||
| 208 | /** |
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| 209 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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| 210 | * |
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| 211 | * @return \Spatie\Html\Elements\Legend |
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| 212 | */ |
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| 213 | public function legend($contents = null) |
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| 217 | |||
| 218 | /** |
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| 219 | * @param string $email |
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| 220 | * @param string|null $text |
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| 221 | * |
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| 222 | * @return \Spatie\Html\Elements\A |
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| 223 | */ |
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| 224 | public function mailto($email, $text = null) |
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| 228 | |||
| 229 | /** |
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| 230 | * @param string|null $name |
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| 231 | * @param iterable $options |
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| 232 | * @param string|iterable|null $value |
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| 233 | * |
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| 234 | * @return \Spatie\Html\Elements\Select |
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| 235 | */ |
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| 236 | View Code Duplication | public function multiselect($name = null, $options = [], $value = null) |
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| 245 | |||
| 246 | /** |
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| 247 | * @param string|null $text |
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| 248 | * @param string|null $value |
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| 249 | * @param bool $selected |
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| 250 | * |
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| 251 | * @return \Spatie\Html\Elements\Option |
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| 252 | */ |
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| 253 | public function option($text = null, $value = null, $selected = false) |
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| 260 | |||
| 261 | /** |
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| 262 | * @param string|null $value |
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| 263 | * |
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| 264 | * @return \Spatie\Html\Elements\Input |
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| 265 | */ |
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| 266 | public function password($name = null) |
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| 270 | |||
| 271 | /** |
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| 272 | * @param string|null $name |
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| 273 | * @param bool $checked |
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| 274 | * @param string|null $value |
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| 275 | * |
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| 276 | * @return \Spatie\Html\Elements\Input |
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| 277 | */ |
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| 278 | public function radio($name = null, $checked = false, $value = null) |
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| 283 | |||
| 284 | /** |
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| 285 | * @param string|null $name |
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| 286 | * @param iterable $options |
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| 287 | * @param string|iterable|null $value |
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| 288 | * |
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| 289 | * @return \Spatie\Html\Elements\Select |
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| 290 | */ |
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| 291 | View Code Duplication | public function select($name = null, $options = [], $value = null) |
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| 299 | |||
| 300 | /** |
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| 301 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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| 302 | * |
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| 303 | * @return \Spatie\Html\Elements\Span |
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| 304 | */ |
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| 305 | public function span($contents = null) |
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| 309 | |||
| 310 | /** |
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| 311 | * @param string|null $text |
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| 312 | * |
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| 313 | * @return \Spatie\Html\Elements\Button |
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| 314 | */ |
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| 315 | public function submit($text = null) |
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| 319 | |||
| 320 | /** |
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| 321 | * @param string|null $text |
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| 322 | * |
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| 323 | * @return \Spatie\Html\Elements\Button |
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| 324 | */ |
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| 325 | public function reset($text = null) |
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| 329 | |||
| 330 | /** |
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| 331 | * @param string $number |
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| 332 | * @param string|null $text |
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| 333 | * |
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| 334 | * @return \Spatie\Html\Elements\A |
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| 335 | */ |
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| 336 | public function tel($number, $text = null) |
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| 340 | |||
| 341 | /** |
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| 342 | * @param string|null $name |
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| 343 | * @param string|null $value |
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| 344 | * |
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| 345 | * @return \Spatie\Html\Elements\Input |
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| 346 | */ |
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| 347 | public function text($name = null, $value = null) |
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| 351 | |||
| 352 | /** |
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| 353 | * @param string|null $name |
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| 354 | * |
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| 355 | * @return \Spatie\Html\Elements\File |
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| 356 | */ |
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| 357 | public function file($name = null) |
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| 363 | |||
| 364 | /** |
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| 365 | * @param string|null $name |
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| 366 | * @param string|null $value |
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| 367 | * |
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| 368 | * @return \Spatie\Html\Elements\Textarea |
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| 369 | */ |
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| 370 | public function textarea($name = null, $value = null) |
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| 377 | |||
| 378 | /** |
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| 379 | * @return \Spatie\Html\Elements\Input |
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| 380 | */ |
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| 381 | public function token() |
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| 385 | |||
| 386 | /** |
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| 387 | * @param \ArrayAccess|array $model |
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| 388 | * |
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| 389 | * @return $this |
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| 390 | */ |
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| 391 | public function model($model) |
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| 397 | |||
| 398 | /** |
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| 399 | * @param \ArrayAccess|array $model |
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| 400 | * @param string|null $method |
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| 401 | * @param string|null $action |
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| 402 | * |
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| 403 | * @return \Spatie\Html\Elements\Form |
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| 404 | */ |
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| 405 | public function modelForm($model, $method = 'POST', $action = null): Form |
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| 411 | |||
| 412 | /** |
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| 413 | * @return $this |
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| 414 | */ |
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| 415 | public function endModel() |
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| 421 | |||
| 422 | /** |
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| 423 | * @return \Illuminate\Contracts\Support\Htmlable |
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| 424 | */ |
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| 425 | public function closeModelForm(): Htmlable |
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| 431 | |||
| 432 | /** |
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| 433 | * @param string $name |
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| 434 | * @param mixed $value |
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| 435 | * |
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| 436 | * @return mixed |
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| 437 | */ |
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| 438 | protected function old($name, $value = null) |
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| 452 | |||
| 453 | /** |
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| 454 | * @param string $name |
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| 455 | * |
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| 456 | * @return string |
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| 457 | */ |
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| 458 | protected function fieldName($name) |
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| 462 | |||
| 463 | protected function ensureModelIsAvailable() |
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| 469 | } |
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| 470 |