1<?php 2 3use function releases\php82\common_header; 4use function releases\php82\language_chooser; 5use function releases\php82\message; 6 7if (!isset($lang)) { 8 $lang = 'en'; 9} 10 11$_SERVER['BASE_PAGE'] = 'releases/8.2/' . $lang . '.php'; 12 13include_once __DIR__ . '/common.php'; 14 15common_header(message('common_header', $lang)); 16 17?> 18 <section class="php8-section php8-section_dark php8-section_header center"> 19 <div class="page-tools"> 20 <div class="change-language"> 21 <?php language_chooser($lang); ?> 22 </div> 23 </div> 24 <div class="php8-section__content"> 25 <div class="php8-logo"> 26 <img src="/images/php8/logo_php8_2.svg" alt="PHP 8.2" height="126" width="343"> 27 </div> 28 <div class="php8-title"><?= message('main_title', $lang) ?></div> 29 <div class="php8-subtitle"><?= message('main_subtitle', $lang) ?></div> 30 <div class="php8-button-wrapper center"> 31 <a class="php8-button php8-button_light" href="/downloads"><?= message('upgrade_now', $lang) ?></a> 32 </div> 33 </div> 34 </section> 35 36 <section class="php8-section center"> 37 <div class="php8-compare"> 38 <h2 class="php8-h2" id="readonly_classes"> 39 <?= message('readonly_classes_title', $lang) ?> 40 <a class="php8-rfc" href="https://wiki.php.net/rfc/readonly_classes">RFC</a> 41 <a class="php8-rfc" 42 href="/manual/<?= $lang ?>/language.oop5.basic.php#language.oop5.basic.class.readonly"><?= message( 43 'documentation', 44 $lang, 45 ) ?></a> 46 </h2> 47 <div class="php8-compare__main"> 48 <div class="php8-compare__block example-contents"> 49 <div class="php8-compare__label">PHP < 8.2</div> 50 <div class="php8-code phpcode"> 51 <?php highlight_php_trimmed( 52 <<<'PHP' 53class BlogData 54{ 55 public readonly string $title; 56 57 public readonly Status $status; 58 59 public function __construct(string $title, Status $status) 60 { 61 $this->title = $title; 62 $this->status = $status; 63 } 64} 65PHP 66 67 ); ?> 68 </div> 69 </div> 70 <div class="php8-compare__arrow"></div> 71 <div class="php8-compare__block example-contents"> 72 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 73 <div class="php8-code phpcode"> 74 <?php highlight_php_trimmed( 75 <<<'PHP' 76readonly class BlogData 77{ 78 public string $title; 79 80 public Status $status; 81 82 public function __construct(string $title, Status $status) 83 { 84 $this->title = $title; 85 $this->status = $status; 86 } 87} 88PHP 89 ); ?> 90 </div> 91 </div> 92 </div> 93 </div> 94 95 <div class="php8-compare"> 96 <h2 class="php8-h2" id="dnf_types"> 97 <?= message('dnf_types_title', $lang) ?> 98 <a class="php8-rfc" href="https://wiki.php.net/rfc/dnf_types">RFC</a> 99 <a class="php8-rfc" 100 href="/manual/<?= $lang ?>/migration82.new-features.php#migration82.new-features.core.type-system"><?= message( 101 'documentation', 102 $lang, 103 ) ?></a> 104 </h2> 105 <div class="php8-compare__main"> 106 <div class="php8-compare__block example-contents"> 107 <div class="php8-compare__label">PHP < 8.2</div> 108 <div class="php8-code phpcode"> 109 <?php highlight_php_trimmed( 110 <<<'PHP' 111class Foo { 112 public function bar(mixed $entity) { 113 if ((($entity instanceof A) && ($entity instanceof B)) || ($entity === null)) { 114 return $entity; 115 } 116 117 throw new Exception('Invalid entity'); 118 } 119} 120PHP 121 122 ); ?> 123 </div> 124 </div> 125 <div class="php8-compare__arrow"></div> 126 <div class="php8-compare__block example-contents"> 127 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 128 <div class="php8-code phpcode"> 129 <?php highlight_php_trimmed( 130 <<<'PHP' 131class Foo { 132 public function bar((A&B)|null $entity) { 133 return $entity; 134 } 135} 136PHP 137 ); ?> 138 </div> 139 </div> 140 </div> 141 </div> 142 <div class="php8-compare__content"> 143 <?= message('dnf_types_description', $lang) ?> 144 </div> 145 146 <div class="php8-compare"> 147 <h2 class="php8-h2" id="null_false_true_types"> 148 <?= message('null_false_true_types_title', $lang) ?> 149 <a class="php8-rfc" href="https://wiki.php.net/rfc/null-false-standalone-types">RFC</a> 150 <a class="php8-rfc" href="https://wiki.php.net/rfc/true-type">RFC</a> 151 </h2> 152 <div class="php8-compare__main"> 153 <div class="php8-compare__block example-contents"> 154 <div class="php8-compare__label">PHP < 8.2</div> 155 <div class="php8-code phpcode"> 156 <?php highlight_php_trimmed( 157 <<<'PHP' 158class Falsy 159{ 160 public function almostFalse(): bool { /* ... */ *} 161 162 public function almostTrue(): bool { /* ... */ *} 163 164 public function almostNull(): string|null { /* ... */ *} 165} 166PHP 167 168 ); ?> 169 </div> 170 </div> 171 <div class="php8-compare__arrow"></div> 172 <div class="php8-compare__block example-contents"> 173 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 174 <div class="php8-code phpcode"> 175 <?php highlight_php_trimmed( 176 <<<'PHP' 177class Falsy 178{ 179 public function alwaysFalse(): false { /* ... */ *} 180 181 public function alwaysTrue(): true { /* ... */ *} 182 183 public function alwaysNull(): null { /* ... */ *} 184} 185PHP 186 ); ?> 187 </div> 188 </div> 189 </div> 190 </div> 191 192 <div class="php8-compare"> 193 <h2 class="php8-h2" id="random_extension"> 194 <?= message('random_title', $lang) ?> 195 <a class="php8-rfc" href="https://wiki.php.net/rfc/rng_extension">RFC</a> 196 <a class="php8-rfc" href="https://wiki.php.net/rfc/random_extension_improvement">RFC</a> 197 <a class="php8-rfc" href="/manual/<?= $lang ?>/book.random.php"><?= message('documentation', $lang ) ?></a> 198 </h2> 199 <div class="php8-compare__main"> 200 <div class="example-contents example-contents-full"> 201 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 202 <div class="php8-code phpcode"> 203 <?php highlight_php_trimmed( 204 <<<'PHP' 205use Random\Engine\Xoshiro256StarStar; 206use Random\Randomizer; 207 208$blueprintRng = new Xoshiro256StarStar( 209 hash('sha256', "Example seed that is converted to a 256 Bit string via SHA-256", true) 210); 211 212$fibers = []; 213for ($i = 0; $i < 8; $i++) { 214 $fiberRng = clone $blueprintRng; 215 // Xoshiro256**'s 'jump()' method moves the blueprint ahead 2**128 steps, as if calling 216 // 'generate()' 2**128 times, giving the Fiber 2**128 unique values without needing to reseed. 217 $blueprintRng->jump(); 218 219 $fibers[] = new Fiber(function () use ($fiberRng, $i): void { 220 $randomizer = new Randomizer($fiberRng); 221 222 echo "{$i}: " . $randomizer->getInt(0, 100), PHP_EOL; 223 }); 224} 225 226// The randomizer will use a CSPRNG by default. 227$randomizer = new Randomizer(); 228 229// Even though the fibers execute in a random order, they will print the same value 230// each time, because each has its own unique instance of the RNG. 231$fibers = $randomizer->shuffleArray($fibers); 232foreach ($fibers as $fiber) { 233 $fiber->start(); 234} 235PHP 236 ); ?> 237 </div> 238 </div> 239 </div> 240 </div> 241 <div class="php8-compare__content"> 242 <?= message('random_description', $lang) ?> 243 </div> 244 245 <div class="php8-compare"> 246 <h2 class="php8-h2" id="constants_in_traits"> 247 <?= message('constants_in_traits_title', $lang) ?> 248 <a class="php8-rfc" href="https://wiki.php.net/rfc/constants_in_traits">RFC</a> 249 <a class="php8-rfc" 250 href="/manual/<?= $lang ?>/migration82.new-features.php#migration82.new-features.core.constant-in-traits"><?= message( 251 'documentation', 252 $lang, 253 ) ?></a> 254 </h2> 255 <div class="php8-compare__main"> 256 <div class="example-contents example-contents-full"> 257 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 258 <div class="php8-code phpcode"> 259 <?php highlight_php_trimmed( 260 <<<'PHP' 261trait Foo 262{ 263 public const CONSTANT = 1; 264} 265 266class Bar 267{ 268 use Foo; 269} 270 271var_dump(Bar::CONSTANT); // 1 272var_dump(Foo::CONSTANT); // Error 273PHP 274 ); ?> 275 </div> 276 </div> 277 </div> 278 </div> 279 <div class="php8-compare__content"> 280 <?= message('constants_in_traits_description', $lang) ?> 281 </div> 282 283 <div class="php8-compare"> 284 <h2 class="php8-h2" id="deprecate_dynamic_properties"> 285 <?= message('deprecate_dynamic_properties_title', $lang) ?> 286 <a class="php8-rfc" href="https://wiki.php.net/rfc/deprecate_dynamic_properties">RFC</a> 287 <a class="php8-rfc" 288 href="/manual/<?= $lang ?>/migration82.deprecated.php#migration82.deprecated.core.dynamic-properties"><?= message( 289 'documentation', 290 $lang, 291 ) ?></a> 292 </h2> 293 <div class="php8-compare__main"> 294 <div class="php8-compare__block example-contents"> 295 <div class="php8-compare__label">PHP < 8.2</div> 296 <div class="php8-code phpcode"> 297 <?php highlight_php_trimmed( 298 <<<'PHP' 299class User 300{ 301 public $name; 302} 303 304$user = new User(); 305$user->last_name = 'Doe'; 306 307$user = new stdClass(); 308$user->last_name = 'Doe'; 309PHP 310 311 ); ?> 312 </div> 313 </div> 314 <div class="php8-compare__arrow"></div> 315 <div class="php8-compare__block example-contents"> 316 <div class="php8-compare__label php8-compare__label_new">PHP 8.2</div> 317 <div class="php8-code phpcode"> 318 <?php highlight_php_trimmed( 319 <<<'PHP' 320class User 321{ 322 public $name; 323} 324 325$user = new User(); 326$user->last_name = 'Doe'; // Deprecated notice 327 328$user = new stdClass(); 329$user->last_name = 'Doe'; // Still allowed 330PHP 331 ); ?> 332 </div> 333 </div> 334 </div> 335 </div> 336 <div class="php8-compare__content"> 337 <?= message('deprecate_dynamic_properties_description', $lang) ?> 338 </div> 339 340 </section> 341 342 <section class="php8-section center php8-section_light php8-columns"> 343 <div class="php8-column"> 344 <h2 class="php8-h2" id="other_new_things"><?= message('new_classes_title', $lang) ?></h2> 345 <div class="php8-compare__content php8-compare__content--block"> 346 <ul> 347 <li><?= message('new_mysqli', $lang) ?></li> 348 <li><?= message('new_attributes', $lang) ?></li> 349 <li><?= message('new_zip', $lang) ?></li> 350 <li><?= message('new_reflection', $lang) ?></li> 351 <li><?= message('new_functions', $lang) ?></li> 352 </ul> 353 </div> 354 </div> 355 356 <div class="php8-column"> 357 <h2 class="php8-h2" id="deprecations_and_bc_breaks"><?= message('bc_title', $lang) ?></h2> 358 <div class="php8-compare__content"> 359 <ul> 360 <li><?= message('bc_string_interpolation', $lang) ?></li> 361 <li><?= message('bc_utf8', $lang) ?></li> 362 <li><?= message('bc_datetime', $lang) ?></li> 363 <li><?= message('bc_odbc', $lang) ?></li> 364 <li><?= message('bc_str_locale_sensitive', $lang) ?></li> 365 <li><?= message('bc_spl_enforces_signature', $lang) ?></li> 366 <li><?= message('bc_spl_false', $lang) ?></li> 367 <li><?= message('bc_spl_null', $lang) ?></li> 368 <li><?= message('bc_spl_deprecated', $lang) ?></li> 369 </ul> 370 </div> 371 </div> 372 </section> 373 374 <section class="php8-section php8-section_dark php8-section_footer php8-footer"> 375 <div class="php8-section__content"> 376 <h2 class="php8-h2 center"><?= message('footer_title', $lang) ?></h2> 377 <div class="php8-button-wrapper center"> 378 <a class="php8-button php8-button_light" href="/downloads"><?= message('upgrade_now', $lang) ?></a> 379 </div> 380 <div class="php8-footer__content"><?= message('footer_description', $lang) ?></div> 381 </div> 382 </section> 383 384<?php 385 386site_footer(); 387
