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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26 | class Html |
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27 | { |
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28 | use Macroable; |
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29 | |||
30 | /** @var \Illuminate\Http\Request */ |
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31 | protected $request; |
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32 | |||
33 | /** @var \ArrayAccess|array */ |
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34 | protected $model; |
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35 | |||
36 | public function __construct(Request $request) |
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40 | |||
41 | /** |
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42 | * @param string|null $href |
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43 | * @param string|null $text |
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44 | * |
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45 | * @return \Spatie\Html\Elements\A |
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46 | */ |
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47 | public function a($href = null, $contents = null) |
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53 | |||
54 | /** |
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55 | * @param string|null $type |
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56 | * @param string|null $text |
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57 | * |
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58 | * @return \Spatie\Html\Elements\Button |
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59 | */ |
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60 | public function button($contents = null, $type = null) |
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66 | |||
67 | /** |
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68 | * @param \Illuminate\Support\Collection|iterable|string $classes |
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69 | * |
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70 | * @return \Illuminate\Contracts\Support\Htmlable |
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71 | */ |
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72 | public function class($classes): Htmlable |
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85 | |||
86 | /** |
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87 | * @param string|null $name |
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88 | * @param bool $checked |
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89 | * @param string|null $value |
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90 | * |
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91 | * @return \Spatie\Html\Elements\Input |
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92 | */ |
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93 | public function checkbox($name = null, $checked = false, $value = '1') |
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102 | |||
103 | /** |
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104 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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105 | * |
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106 | * @return \Spatie\Html\Elements\Div |
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107 | */ |
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108 | public function div($contents = null) |
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112 | |||
113 | /** |
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114 | * @param string|null $name |
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115 | * @param string|null $value |
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116 | * |
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117 | * @return \Spatie\Html\Elements\Input |
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118 | */ |
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119 | public function email($name = '', $value = '') |
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123 | |||
124 | /** |
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125 | * @param string|null $name |
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126 | * @param string|null $value |
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127 | * |
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128 | * @return \Spatie\Html\Elements\Input |
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129 | */ |
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130 | public function date($name = '', $value = '') |
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134 | |||
135 | /** |
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136 | * @param string|null $name |
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137 | * @param string|null $value |
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138 | * |
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139 | * @return \Spatie\Html\Elements\Input |
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140 | */ |
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141 | public function time($name = '', $value = '') |
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145 | |||
146 | /** |
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147 | * @param string $tag |
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148 | * |
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149 | * @return \Spatie\Html\Elements\Element |
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150 | */ |
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151 | public function element($tag) |
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155 | |||
156 | /** |
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157 | * @param string|null $type |
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158 | * @param string|null $name |
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159 | * @param string|null $value |
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160 | * |
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161 | * @return \Spatie\Html\Elements\Input |
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162 | */ |
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163 | public function input($type = null, $name = null, $value = null) |
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173 | |||
174 | /** |
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175 | * @param \Spatie\Html\HtmlElement|string|null $legend |
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176 | * |
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177 | * @return \Spatie\Html\Elements\Fieldset |
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178 | */ |
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179 | public function fieldset($legend = null) |
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185 | |||
186 | /** |
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187 | * @param string $method |
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188 | * @param string|null $action |
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189 | * |
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190 | * @return \Spatie\Html\Elements\Form |
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191 | */ |
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192 | public function form($method = 'POST', $action = null) |
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212 | |||
213 | /** |
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214 | * @param string|null $name |
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215 | * @param string|null $value |
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216 | * |
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217 | * @return \Spatie\Html\Elements\Input |
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218 | */ |
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219 | public function hidden($name = null, $value = null) |
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223 | |||
224 | /** |
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225 | * @param string|null $src |
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226 | * @param string|null $alt |
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227 | * |
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228 | * @return \Spatie\Html\Elements\Img |
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229 | */ |
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230 | public function img($src = null, $alt = null) |
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236 | |||
237 | /** |
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238 | * @param \Spatie\Html\HtmlElement|iterable|string|null $contents |
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239 | * @param string|null $for |
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240 | * |
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241 | * @return \Spatie\Html\Elements\Label |
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242 | */ |
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243 | public function label($contents = null, $for = null) |
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249 | |||
250 | /** |
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251 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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252 | * |
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253 | * @return \Spatie\Html\Elements\Legend |
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254 | */ |
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255 | public function legend($contents = null) |
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259 | |||
260 | /** |
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261 | * @param string $email |
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262 | * @param string|null $text |
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263 | * |
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264 | * @return \Spatie\Html\Elements\A |
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265 | */ |
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266 | public function mailto($email, $text = null) |
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270 | |||
271 | /** |
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272 | * @param string|null $name |
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273 | * @param iterable $options |
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274 | * @param string|iterable|null $value |
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275 | * |
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276 | * @return \Spatie\Html\Elements\Select |
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277 | */ |
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278 | View Code Duplication | public function multiselect($name = null, $options = [], $value = null) |
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287 | |||
288 | /** |
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289 | * @param string|null $text |
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290 | * @param string|null $value |
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291 | * @param bool $selected |
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292 | * |
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293 | * @return \Spatie\Html\Elements\Option |
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294 | */ |
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295 | public function option($text = null, $value = null, $selected = false) |
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302 | |||
303 | /** |
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304 | * @param string|null $value |
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305 | * |
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306 | * @return \Spatie\Html\Elements\Input |
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307 | */ |
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308 | public function password($name = null) |
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312 | |||
313 | /** |
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314 | * @param string|null $name |
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315 | * @param bool $checked |
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316 | * @param string|null $value |
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317 | * |
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318 | * @return \Spatie\Html\Elements\Input |
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319 | */ |
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320 | public function radio($name = null, $checked = false, $value = null) |
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325 | |||
326 | /** |
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327 | * @param string|null $name |
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328 | * @param iterable $options |
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329 | * @param string|iterable|null $value |
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330 | * |
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331 | * @return \Spatie\Html\Elements\Select |
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332 | */ |
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333 | View Code Duplication | public function select($name = null, $options = [], $value = null) |
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341 | |||
342 | /** |
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343 | * @param \Spatie\Html\HtmlElement|string|null $contents |
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344 | * |
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345 | * @return \Spatie\Html\Elements\Span |
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346 | */ |
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347 | public function span($contents = null) |
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351 | |||
352 | /** |
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353 | * @param string|null $text |
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354 | * |
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355 | * @return \Spatie\Html\Elements\Button |
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356 | */ |
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357 | public function submit($text = null) |
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361 | |||
362 | /** |
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363 | * @param string|null $text |
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364 | * |
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365 | * @return \Spatie\Html\Elements\Button |
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366 | */ |
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367 | public function reset($text = null) |
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371 | |||
372 | /** |
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373 | * @param string $number |
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374 | * @param string|null $text |
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375 | * |
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376 | * @return \Spatie\Html\Elements\A |
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377 | */ |
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378 | public function tel($number, $text = null) |
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382 | |||
383 | /** |
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384 | * @param string|null $name |
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385 | * @param string|null $value |
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386 | * |
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387 | * @return \Spatie\Html\Elements\Input |
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388 | */ |
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389 | public function text($name = null, $value = null) |
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393 | |||
394 | /** |
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395 | * @param string|null $name |
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396 | * |
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397 | * @return \Spatie\Html\Elements\File |
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398 | */ |
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399 | public function file($name = null) |
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405 | |||
406 | /** |
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407 | * @param string|null $name |
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408 | * @param string|null $value |
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409 | * |
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410 | * @return \Spatie\Html\Elements\Textarea |
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411 | */ |
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412 | public function textarea($name = null, $value = null) |
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419 | |||
420 | /** |
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421 | * @return \Spatie\Html\Elements\Input |
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422 | */ |
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423 | public function token() |
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430 | |||
431 | /** |
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432 | * @param \ArrayAccess|array $model |
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433 | * |
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434 | * @return $this |
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435 | */ |
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436 | public function model($model) |
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442 | |||
443 | /** |
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444 | * @param \ArrayAccess|array $model |
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445 | * @param string|null $method |
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446 | * @param string|null $action |
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447 | * |
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448 | * @return \Spatie\Html\Elements\Form |
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449 | */ |
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450 | public function modelForm($model, $method = 'POST', $action = null): Form |
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456 | |||
457 | /** |
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458 | * @return $this |
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459 | */ |
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460 | public function endModel() |
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466 | |||
467 | /** |
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468 | * @return \Illuminate\Contracts\Support\Htmlable |
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469 | */ |
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470 | public function closeModelForm(): Htmlable |
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476 | |||
477 | /** |
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478 | * @param string $name |
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479 | * @param mixed $value |
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480 | * |
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481 | * @return mixed |
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482 | */ |
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483 | protected function old($name, $value = null) |
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500 | |||
501 | /** |
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502 | * @param string $name |
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503 | * |
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504 | * @return string |
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505 | */ |
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506 | protected function fieldName($name) |
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510 | |||
511 | protected function ensureModelIsAvailable() |
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517 | } |
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518 |