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?? ?? ?? ?? ?? ??

PHP 8.4? PHP ??? ?? ???????.

?? ??, ??? ???, ???? ? DOM API, ?? ??, ?? ?? ? ?? ??? ?? ?? ??? ??? ???? ????.

?? PHP 8.4? ?????????!

?? ??

PHP < 8.4
class Locale {
private string $languageCode;
private string $countryCode;

public function __construct ( string $languageCode, string $countryCode )
{
$this->setLanguageCode($languageCode);
$this->setCountryCode($countryCode);
}

public function getLanguageCode(): string {
return $this->languageCode;
}

public function setLanguageCode( string $languageCode ): void {
$this->languageCode = $languageCode;
}

public function getCountryCode(): string {
return $this->countryCode;
}

public function setCountryCode( string $countryCode ): void {
$this->countryCode = strtoupper($countryCode);
}

public function setCombinedCode( string $combinedCode ): void {
[ $languageCode, $countryCode ] = explode( '_', $combinedCode, 2 );
$this->setLanguageCode($languageCode);
$this->setCountryCode($countryCode);
}

public function getCombinedCode(): string {
return \sprintf( "%s_%s", $this->languageCode, $this->countryCode );
}
}

$brazilianPortuguese = new Locale( 'pt', 'br' );

var_dump( $brazilianPortuguese->getCountryCode() ); // BR

var_dump( $brazilianPortuguese->getCombinedCode() ); // pt_BR
PHP 8.4
class Locale {
public string $languageCode;

public string $countryCode {
set ( string $countryCode ) {
$this->countryCode = strtoupper($countryCode);
}
}

public string $combinedCode {
get => \sprintf( "%s_%s", $this->languageCode, $this->countryCode );
set ( string $value ) {
[ $this->languageCode, $this->countryCode ] = explode( '_', $value, 2 );
}
}

public function __construct( string $languageCode, string $countryCode ) {
$this->languageCode = $languageCode;
$this->countryCode = $countryCode;
}
}

$brazilianPortuguese = new Locale( 'pt', 'br' );

var_dump( $brazilianPortuguese->countryCode ); // BR

var_dump( $brazilianPortuguese->combinedCode ); // pt_BR

Property Hooks? ????? ?? DocBlock ??? ???? ??? IDE ? ?? ?? ??? ????? ??? ??? ?? ? ??? ?????. ??, ??? ???? ???? getter ?? setter? ????? ??? ???? ??? ?? ??? ??? ?? ?? ?? ??? ?????.

??? ???

PHP < 8.4
class PhpVersion {
private string $version = '8.3' ;

public function getVersion(): string {
return $this->version;
}

public function increment(): void {
[ $major, $minor ] = explode( '.', $this->version );
$minor++;
$this->version = "{$major}.{$minor}" ;
}
}
PHP 8.4
class PhpVersion {
public private(set) string $version = '8.4' ;

public function increment(): void {
[ $major, $minor ] = explode( '.', $this->version );
$minor++;
$this->version = "{$major}.{$minor}" ;
}
}

???? ?? ??? ?? ???? ?? ??? ????? ?? ? ? ???, ??? ???? ??? ???? ?? ??? ???? ?? ??? ???? ??? ????? ???? ?? ? ????.

#[\Deprecated] ????

PHP < 8.4
class PhpVersion {
/**
* @deprecated 8.3 use PhpVersion::getVersion() instead
*/
public function getPhpVersion(): string {
return $this->getVersion();
}

public function getVersion(): string {
return '8.3';
}
}

$phpVersion = new PhpVersion();
// No indication that the method is deprecated.
echo $phpVersion->getPhpVersion();
PHP 8.4
class PhpVersion {
#[\Deprecated(
message: "use PhpVersion::getVersion() instead",
since: "8.4",
)]
public function getPhpVersion(): string {
return $this->getVersion();
}

public function getVersion(): string {
return '8.4';
}
}

$phpVersion = new PhpVersion();
// Deprecated: Method PhpVersion::getPhpVersion() is deprecated since 8.4, use PhpVersion::getVersion() instead
echo $phpVersion->getPhpVersion();

The new #[Deprecated] attribute makes PHP’s existing deprecation mechanism available to user-defined functions, methods, and class constants.

??? Ext-DOM ?? ? HTML5 ??

PHP < 8.4
$dom = new DOMDocument();
$dom->loadHTML(
<<<'HTML'
<main>
<article>PHP 8.4 is a feature-rich release!</article>
<article class="featured">PHP 8.4 adds new DOM classes that are spec-compliant, keeping the old ones for compatibility.</article>
</main>
HTML,
LIBXML_NOERROR,
);

$xpath = new DOMXPath($dom);

$node = $xpath->query('.//main/article[not(following-sibling::*)]')[0];

$classes = explode(" ", $node->className); // Simplified

var_dump(in_array("featured", $classes)); // bool(true)
PHP 8.4
$dom = Dom\HTMLDocument::createFromString(
<<<'HTML'
<main>
<article>PHP 8.4 is a feature-rich release!</article>
<article class="featured">PHP 8.4 adds new DOM classes that are spec-compliant, keeping the old ones for compatibility.</article>
</main>
HTML,
LIBXML_NOERROR,
);

$node = $dom->querySelector('main > article:last-child');
var_dump($node->classList->contains("featured")); // bool(true)

HTML5 ??? ?? ??? ?? ?? ?? ??? ?? ? ??? DOM API? DOM ??? ???? ?? ?? ?? ?? ?? ??? ???? ?? ????? ???? ??? ?? ?? ??? ?????.

??? DOM API? DOM ?? ???? ??? ??? ? ????. ??? DOM API? ??? ??? domhtmldocument ? domxmldocument ???? ???? ?? ? ????.

bcmath? ?? API

PHP < 8.4
$num1 = '0.12345';
$num2 = '2';
$result = bcadd($num1, $num2, 5);

echo $result; // '2.12345'
var_dump(bccomp($num1, $num2) > 0); // false
PHP 8.4
use BcMath\Number;

$num1 = new Number('0.12345');
$num2 = new Number('2');
$result = $num1 + $num2;

echo $result; // '2.12345'
var_dump($num1 > $num2); // false

??? BCMATHNUMBER ??? ??? ?? ??? ?? ? ? ?? ?? ?? ? ?? ?? ???? ??????.

? ??? ???? ??? ??? ?????? ????? Echo $ num? ?? ??? ?????? ??? ? ????.

New array_*() functions

PHP < 8.4
$animal = null;
foreach ( [ 'dog', 'cat', 'cow', 'duck', 'goose' ] as $value ) {
if ( str_starts_with($value, 'c') ) {
$animal = $value;
break;
}
}

var_dump($animal); // string(3) "cat"
PHP 8.4
$animal = array_find(
[ 'dog', 'cat', 'cow', 'duck', 'goose' ],
static fn (string $value): bool => str_starts_with($value, 'c'),
);

var_dump($animal); // string(3) "cat"

??? ?? array_find (), array_find_key (), array_any () ? array_all ()? ??? ? ????.

PDO ???? ?? ?? ???

PHP < 8.4
$connection = new PDO(
'sqlite:foo.db',
$username,
$password,
); // object(PDO)

$connection->sqliteCreateFunction(
'prepend_php',
static fn ($string) => "PHP {$string}",
);

$connection->query('SELECT prepend_php(version) FROM php');
PHP 8.4
$connection = PDO::connect(
'sqlite:foo.db',
$username,
$password,
); // object(Pdo\Sqlite)

$connection->createFunction(
'prepend_php',
static fn ($string) => "PHP {$string}",
); // Does not exist on a mismatching driver.

$connection->query('SELECT prepend_php(version) FROM php');

??? ?? ??? pdodblib, pdofirebird, pdomysql, pdoodbc, pdopgsql ? pdoSqlite? pdoSqlites? ??? ? ????.

new MyClass()->method()????

PHP < 8.4
class PhpVersion {
public function getVersion(): string {
return 'PHP 8.4';
}
}

var_dump(( new PhpVersion())->getVersion());
PHP 8.4
class PhpVersion {
public function getVersion(): string {
return 'PHP 8.4';
}
}

var_dump(new PhpVersion()->getVersion());

?? ????? ? ??? ?? ? ??? ?? ? ??? ?? ?? ??? ?? ??? ? ? ????.

??? ???, ????? ? ??

  • ??? ??? ??.
  • IR ??? ??? ???? ? ??? JIT ??.
  • ??? request_parse_body () ??.
  • New bcceil(),>bcdivmod(),bcfloor(), and bcround() functions.
  • New RoundingMode enum for round() with 4 new rounding modes TowardsZero,AwayFromZero, NegativeInfinity,and PositiveInfinity.
  • new dateTime :: createfromtimestamp (), dateTime :: getMicrosecond (), dateTime :: setMicrosecond (), dateTimeImmutable :: createfromtimestamp (), dateTimeImmutable :: getMicrosecond () ? dateTimeImutable :: setTimicrosecond () ??.
  • new MB_TRIM (), MB_LTRIM (), MB_RTRIM (), MB_UCFIRST () ? MB_LCFIRST () ??.
  • ??? pcntl_getcpu (), pcntl_getcpuaffinity (), pcntl_getqos_class (), pcntl_setns () ? pcntl_waitid () ??.
  • New ReflectionClassConstant :: isdeprecated (), reflectiongenerator :: isclosed () ? reflectionProperty :: isdynamic () ???.
  • ??? http_get_last_response_headers (), http_clear_last_response_headers () ? fpow () ??.
  • new xmlreader :: fromstream (), xmlreader :: fomuri (), xmlreader :: fromstring (), xmlwriter :: tostream (), xmlwriter :: touri () ? xmlwriter :: tomemory () ???.
  • ??? Grapheme_str_split () ??.

?? ?? ? ?? ???? ??? ??

  • IMAP, OCI8, PDO_OCI, and pspell extensions have been unbundled and moved to PECL.
  • ?? ??? ??? ??? ?? ?? ??? ?? ? ?? ???? ????.
  • ??? ???? _? ???? ?? ?? ? ?? ???? ????.
  • ??? ???? 0? ????? ?? ?? ? ?? ???? ????.
  • ?? ??? Round ()? ???? ValueError? ?????.
  • ?? ??, intl, pdo, ??, spl, sqlite, xmlreader? ??? ??? ?? ???????.
  • GMP ???? ?? ?????.
  • mysqli_set_charset_dir, mysqli_stmt_attr_prefetch_rows, mysqli_cursor_type_for_update, mysqli_cursor_type_scrollable ? mysqli_type_interval ??? ???????.
  • mysqli_ping (), mysqli_kill (), mysqli_refresh () functions, mysqli :: ping (), mysqli :: kill (), mysqli :: refresh () ??? ? mysqli_refresh_* ??? ?? ??????.
  • stream_bucket_make_writable () ? stream_bucket_new () ?? stdclass ?? StreamBucket ????? ?????.
  • ?? () ?? ??.
  • e_strict ??? ? ?? ???? ?????.
? ?? ??, ? ?? ??, ??? ?? ???. ?? PHP 8.4? ?????????!

PHP 8.4? ?? ????? ??? ?????? ???? ???. Windows Binaries??? ?? ? ???? Windows ? PHP ??. ?? ??? ??? ???? ???? changelog.

??? ?????? ??? PHP ????? ??? ? ????. ??? ??? ??? ??? ?? ???? ?? ?? ??? ???? ??????.