{"id":30217,"date":"2024-02-25T14:35:02","date_gmt":"2023-11-29T11:54:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php8-3%e3%80%91php8-3%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd\/"},"modified":"2025-08-12T18:08:46","modified_gmt":"2025-08-12T10:08:46","slug":"%e3%80%90php8-3%e3%80%91php8-3%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php8-3%e3%80%91php8-3%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u3010PHP8.3\u3011PHP8.3\u7684\u65b0\u529f\u80fd"},"content":{"rendered":"

PHP8.3 \/ PHP8.2 \/ PHP8.1 \/ PHP8.0 \u7684\u9009\u62e9<\/p>\n

2023\u5e7411\u670823\u65e5\u53d1\u5e03\u3002<\/p>\n

2023\/07\/18\uff0cPHP8.3 \u7248\u672c\u8fdb\u5165\u4e86\u7279\u6027\u51bb\u7ed3\u9636\u6bb5\u3002
\n\u8fd9\u610f\u5473\u7740\u6d89\u53ca\u8bed\u8a00\u529f\u80fd\u7684\u65b0\u589e\u548c\u4fee\u6539\u5df2\u7ecf\u622a\u6b62\u3002
\n\u5728\u63a5\u4e0b\u6765\u7684\u65f6\u95f4\u91cc\uff0c\u6211\u4eec\u5c06\u4e0d\u65ad\u8fdb\u884c\u8c03\u8bd5\u4ee5\u63d0\u5347\u5b8c\u6574\u6027\uff0c
\n\u9884\u8ba1\u5c06\u4e8e2023\/11\/23\u53d1\u5e03 PHP8.3.0 \u7248\u672c\u3002<\/p>\n

\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5c06\u5728PHP 8.3\u4e2d\u5b9e\u65bd\u7684RFC\u3002<\/p>\n

RFC\u53ef\u4ee5\u539f\u751f\u5730\u5728\u4e2d\u6587\u4e2d\u89e3\u91ca\u4e3a”\u8bf7\u6c42\u8bc4\u8bba”\u3002<\/p>\n

\u6807\u8bb0\u8986\u76d6\u7684\u65b9\u6cd5\uff08#[\\Override]\uff09<\/p>\n

\u4ee522\u7968\u8d5e\u6210\u30011\u7968\u53cd\u5bf9\u7684\u7ed3\u679c\u88ab\u63a5\u53d7\u3002<\/p>\n

\u8fd9\u662f\u4e00\u4e2aOverride\u5c5e\u6027\u3002<\/p>\n

[Translation: This is an Override attribute.]<\/p>\n

class<\/span> C1<\/span> {<\/span>\r\n    protected<\/span> function<\/span> foo<\/span>():<\/span> void<\/span> {}<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> C2<\/span> extends<\/span> C1<\/span> {<\/span>\r\n    #[\\Override]<\/span>\r\n    public<\/span> function<\/span> foo<\/span>():<\/span> void<\/span> {}<\/span> \/\/ OK<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> C3<\/span> extends<\/span> C1<\/span> {<\/span>\r\n    #[\\Override]<\/span>\r\n    public<\/span> function<\/span> bar<\/span>():<\/span> void<\/span> {}<\/span> \/\/ NG<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
C3\u56e0\u4e3a\u7f16\u8bd1\u9519\u8bef\uff0c\u53ef\u4ee5\u53d1\u73b0\u5b9e\u73b0\u9519\u8bef\u6216\u8005\u5728\u7236\u7ea7\u53d1\u751f\u53d8\u66f4\u65f6\u5bdf\u89c9\u5230\u3002<\/p>\n
\u7c7b\u578b\u5316\u7684\u7c7b\u5e38\u91cf<\/p>\n
\u4ee525\u7968\u8d5e\u6210\u30010\u7968\u53cd\u5bf9\u901a\u8fc7\u3002<\/p>\n
\u53ef\u4ee5\u4e3a\u7c7b\u5e38\u91cf\u6307\u5b9a\u7c7b\u578b\u3002<\/p>\n
enum<\/span> E<\/span> {<\/span>\r\n    const<\/span> string<\/span> TEST<\/span> =<\/span> \"Test1\"<\/span>;<\/span>\r\n}<\/span>\r\n\r\ntrait<\/span> T<\/span> {<\/span>\r\n    const<\/span> string<\/span> TEST<\/span> =<\/span> E<\/span>::<\/span>TEST<\/span>;<\/span>\r\n}<\/span>\r\n\r\ninterface<\/span> I<\/span> {<\/span>\r\n    const<\/span> string<\/span> TEST<\/span> =<\/span> E<\/span>::<\/span>TEST<\/span>;<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> C<\/span> implements<\/span> I<\/span>{<\/span>\r\n    use<\/span> T<\/span>;<\/span>\r\n    const<\/span> string<\/span> TEST<\/span> =<\/span> E<\/span>::<\/span>TEST<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5f88\u5bb9\u6613\u7406\u89e3\uff01<\/p>\n
mb_str_pad – mb_str_pad\u662f\u4e00\u4e2a\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e24\u7aef\u6dfb\u52a0\u6307\u5b9a\u5b57\u7b26\u6765\u586b\u5145\u5b57\u7b26\u4e32\u7684\u51fd\u6570\u3002<\/p>\n
\u4ee515\u6bd41\u7684\u8d5e\u6210\u6295\u7968\u901a\u8fc7\u3002<\/p>\n
\u8fd9\u662f\u591a\u5b57\u8282\u7248\u672c\u7684str_pad\u51fd\u6570\u3002<\/p>\n
$str<\/span> =<\/span> '\u3042'<\/span>;<\/span>\r\nvar_dump<\/span>(<\/span>str_pad<\/span>(<\/span>$str<\/span>,<\/span> 2<\/span>,<\/span> '\u3044'<\/span>));<\/span> \/\/ \u3042<\/span>\r\nvar_dump<\/span>(<\/span>mb_str_pad<\/span>(<\/span>$str<\/span>,<\/span> 2<\/span>,<\/span> '\u3044'<\/span>));<\/span> \/\/ \u3042\u3044<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u4e0d\u5c0f\u5fc3\u5728\u65e5\u8bed\u4e2d\u4f7f\u7528str_pad\u51fd\u6570\uff0c\u4f1a\u5bfc\u81f4\u51fa\u73b0\u5947\u602a\u7684\u7b26\u53f7\u6216\u65e0\u6cd5\u5b8c\u6210\u586b\u5145\u64cd\u4f5c\uff0c\u4f46\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u5b83\u5c06\u6309\u7167\u6211\u7684\u610f\u613f\u8fdb\u884c\u586b\u5145\u3002<\/p>\n
\u52a8\u6001\u7c7b\u5e38\u91cf\u83b7\u53d6<\/p>\n
\u4ee515\u7968\u8d5e\u6210\u30014\u7968\u53cd\u5bf9\u901a\u8fc7\u3002<\/p>\n
\u53ef\u4ee5\u4ece\u5b57\u7b26\u4e32\u4e2d\u83b7\u53d6\u7c7b\u5e38\u91cf\u3002<\/p>\n
$foo<\/span>-><\/span>$bar<\/span>;<\/span>    \/\/ OK<\/span>\r\nFoo<\/span>::<\/span>${$bar}<\/span>;<\/span>  \/\/ OK<\/span>\r\nFoo<\/span>::<\/span>{<\/span>$bar<\/span>}();<\/span> \/\/ OK<\/span>\r\n\r\nFoo<\/span>::<\/span>{<\/span>$bar<\/span>};<\/span>   \/\/ PHP8.3\u4ee5\u964dOK<\/span>\r\n<\/code><\/pre>\n
\u5176\u4ed6\u9879\u76ee\u901a\u5e38\u90fd\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u6307\u5b9a\u952e\uff0c\u4f46\u662f\u5947\u602a\u7684\u662f\u7c7b\u5e38\u91cf\u5374\u4e0d\u80fd\u8fd9\u6837\u505a\u3002
\n\u5c06\u6765\u7c7b\u5e38\u91cf\u4e5f\u5c06\u80fd\u591f\u4f7f\u7528\u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n
\u53e6\u5916\uff0c\u968f\u7740\u8fd9\u9879\u529f\u80fd\u7684\u5f15\u5165\uff0cENUM\u7684\u4f7f\u7528\u4fbf\u5229\u6027\u5927\u5e45\u63d0\u5347\u3002<\/p>\n
enum<\/span> Suit<\/span>:<\/span>string<\/span>{<\/span>\r\n    case<\/span> Hearts<\/span> =<\/span> '\u30cf\u30fc\u30c8'<\/span>;<\/span>\r\n    case<\/span> Diamonds<\/span> =<\/span> '\u30c0\u30a4\u30e4'<\/span>;<\/span>\r\n    case<\/span> Clubs<\/span> =<\/span> '\u30af\u30e9\u30d6'<\/span>;<\/span>\r\n    case<\/span> Spades<\/span> =<\/span> '\u30b9\u30da\u30fc\u30c9'<\/span>;<\/span>\r\n}<\/span>\r\n\r\necho<\/span> Suit<\/span>::<\/span>{<\/span>$_REQUEST<\/span>[<\/span>'suit'<\/span>]}<\/span>?-><\/span>value<\/span>;<\/span> \/\/ \u30cf\u30fc\u30c8<\/span>\r\n<\/code><\/pre>\n
\u65b9\u4fbf\u3002<\/p>\n
\u4efb\u610f\u7684\u9759\u6001\u53d8\u91cf\u521d\u59cb\u5316\u5668<\/p>\n
\u4ee525\u7968\u8d5e\u6210\uff0c0\u7968\u53cd\u5bf9\u901a\u8fc7\u3002<\/p>\n
\u53ef\u4ee5\u5c06\u53d8\u91cf\u548c\u51fd\u6570\u653e\u5165\u9759\u6001\u53d8\u91cf\u4e2d\u3002<\/p>\n
function<\/span> foo<\/span>(<\/span>int<\/span>|<\/span>null<\/span> $start<\/span>){<\/span>\r\n    static<\/span> $i<\/span> =<\/span> $start<\/span>;<\/span> \/\/ PHP8.3\u4ee5\u964dOK<\/span>\r\n    echo<\/span> $i<\/span>++<\/span>;<\/span>\r\n}<\/span>\r\n\r\nfoo<\/span>(<\/span>5<\/span>);<\/span> \/\/ 5<\/span>\r\nfoo<\/span>();<\/span>  \/\/ 6<\/span>\r\n<\/code><\/pre>\n
\u8fc7\u53bb\uff0c\u9759\u6001\u53d8\u91cf\u7684\u521d\u59cb\u5316\u53ea\u80fd\u4f7f\u7528\u56fa\u5b9a\u503c\uff0c\u4f46\u73b0\u5728\u53ef\u4ee5\u8bbe\u7f6e\u53d8\u91cf\u548c\u51fd\u6570\u3002
\n\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u5e76\u6ca1\u6709\u7279\u522b\u7684\u6280\u672f\u539f\u56e0\u6216\u6545\u610f\u53ea\u80fd\u8bbe\u7f6e\u56fa\u5b9a\u503c\uff0c\u53ea\u662f\u4f3c\u4e4e\u4ece\u4ee5\u524d\u5f00\u59cb\u5c31\u8fd9\u6837\u3002<\/p>\n
\u53ea\u8bfb\u4fee\u6b63<\/p>\n
\u4ee526\u7968\u8d5e\u6210\u30010\u7968\u53cd\u5bf9\u7684\u7ed3\u679c\u88ab\u901a\u8fc7\u3002<\/p>\n
\u73b0\u5728\u53ef\u4ee5\u5728\u514b\u9686\u53ea\u8bfb\u5c5e\u6027\u65f6\u8fdb\u884c\u91cd\u65b0\u521d\u59cb\u5316\u3002<\/p>\n
class<\/span> Foo<\/span> {<\/span>\r\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n    public<\/span> function<\/span> __construct<\/span>(<\/span>\r\n        public<\/span> readonly<\/span> DateTime<\/span> $bar<\/span>,<\/span>\r\n        public<\/span> readonly<\/span> DateTime<\/span> $baz<\/span>\r\n    )<\/span> {}<\/span>\r\n\r\n    \/\/ clone<\/span>\r\n    public<\/span> function<\/span> __clone<\/span>()<\/span>\r\n    {<\/span>\r\n        $this<\/span>-><\/span>bar<\/span> =<\/span> clone<\/span> $this<\/span>-><\/span>bar<\/span>;<\/span> \/\/ OK<\/span>\r\n        $this<\/span>-><\/span>cloneBaz<\/span>();<\/span>\r\n    }<\/span>\r\n    private<\/span> function<\/span> cloneBaz<\/span>()<\/span>\r\n    {<\/span>\r\n        unset<\/span>(<\/span>$this<\/span>-><\/span>baz<\/span>);<\/span> \/\/ __clone\u304b\u3089\u547c\u3070\u308c\u3066\u3044\u308b\u5834\u5408\u306fOK<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n$foo<\/span> =<\/span> new<\/span> Foo<\/span>(<\/span>new<\/span> DateTime<\/span>(),<\/span> new<\/span> DateTime<\/span>());<\/span>\r\n$foo2<\/span> =<\/span> clone<\/span> $foo<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u5728\u9b54\u672f\u65b9\u6cd5__clone()\u4e2d\uff0c\u53ef\u4f7f\u53ea\u8bfb\u5c5e\u6027\u4ec5\u80fd\u66f4\u6539\u4e00\u6b21\u3002<\/p>\n
\u4ece\u5168\u4f53\u6295\u7968\u7ed3\u679c\u6765\u770b\uff0c\u867d\u7136\u6211\u5bf9\u8fd9\u4e2a\u7684\u597d\u5904\u4e0d\u592a\u660e\u767d\uff0c\u4f46\u662f\u80af\u5b9a\u6709\u4e00\u4e9b\u91cd\u8981\u7684\u5229\u76ca\u3002<\/p>\n
PDO\u9a71\u52a8\u7a0b\u5e8f\u7279\u5b9a\u7684\u5b50\u7c7b<\/p>\n
\u4ee523\u7968\u8d5e\u6210\u30010\u7968\u53cd\u5bf9\u88ab\u63a5\u53d7\u3002<\/p>\n
\u5c06PDO\u6dfb\u52a0\u4e86\u6bcf\u4e2a\u9a71\u52a8\u7a0b\u5e8f\u7684\u5b50\u7c7b\u3002<\/p>\n
\/\/ MySQL<\/span>\r\n$pdoMySQL<\/span> =<\/span> new<\/span> PdoMySql<\/span>(<\/span>$dsn<\/span>);<\/span>\r\n$pdoMySQL<\/span>-><\/span>getWarningCount<\/span>();<\/span> \/\/ MySQL\u5c02\u7528\u6a5f\u80fd<\/span>\r\n\r\n\/\/ Postgres<\/span>\r\n$pdoPgsql<\/span> =<\/span> new<\/span> PdoPgsql<\/span>(<\/span>$dsn<\/span>);<\/span>\r\n$pdoMySQL<\/span>-><\/span>getPid<\/span>();<\/span> \/\/ Postgres\u5c02\u7528\u6a5f\u80fd<\/span>\r\n\r\n\/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9<\/span>\r\n$pdo<\/span> =<\/span> PDO<\/span>::<\/span>connect<\/span>(<\/span>$dsn<\/span>);<\/span> \/\/ DSN\u304cMysQL\u306a\u3089PdoMySql\u306b\u3001Postgres\u306a\u3089PdoPgsql\u306b\u306a\u308b<\/span>\r\n\r\n\/\/ PDO\u306f\u3053\u308c\u307e\u3067\u3068\u540c\u3058<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>$dsn<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u6211\u5728\u60f3\u4e3a\u4ec0\u4e48\u4ee5\u524d\u6ca1\u6709\u51fa\u73b0\u8fc7\u8fd9\u4e2a\u3002<\/p>\n
\u4f7f\u7528\u6570\u636e\u5e93\u7279\u6709\u7684\u529f\u80fd\u3002
\n\u867d\u7136\u79fb\u690d\u6027\u4f1a\u4e0b\u964d\uff0c\u4f46\u6bd5\u7adf\u5f88\u5c11\u8fdb\u884c\u6570\u636e\u5e93\u79fb\u690d\uff0c\u4fbf\u5229\u6027\u66f4\u80dc\u4e00\u7b79\u3002<\/p>\n
\u5f53\u7136\uff0c\u60a8\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u4ee5\u524d\u7684new PDO()\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e00\u5207\u90fd\u4e0e\u4ee5\u524d\u6ca1\u6709\u4efb\u4f55\u53d8\u5316\u3002<\/p>\n
\u968f\u673a\u5668\u6dfb\u52a0<\/p>\n
\u589e\u52a0\u4e86\u4e71\u6570\u529f\u80fd\u3002<\/p>\n
$randomizer<\/span> =<\/span> new<\/span> \\Random\\Randomizer<\/span>();<\/span>\r\n\r\n\/\/ \u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b<\/span>\r\n$randomizer<\/span>-><\/span>getBytesFromString<\/span>(<\/span>'abcdefghijklmnopqrstuvwxyz0123456789'<\/span>,<\/span> 16<\/span>);<\/span>\r\n\r\n\/\/ a\u304c75%\u3001b\u304c25%\u306e\u30e9\u30f3\u30c0\u30e0\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b<\/span>\r\n$randomizer<\/span>-><\/span>getBytesFromString<\/span>(<\/span>'aaab'<\/span>,<\/span> 16<\/span>);<\/span>\r\n\r\n\/\/ (-180, 180] \u306e\u4e71\u6570\u3092\u751f\u6210\u3059\u308b<\/span>\r\n$randomizer<\/span>-><\/span>getFloat<\/span>(<\/span>-<\/span>180<\/span>,<\/span> 180<\/span>,<\/span> \\Random\\IntervalBoundary<\/span>::<\/span>OpenClosed<\/span>);<\/span>\r\n\r\n\/\/ [0, 1)\u306e\u4e71\u6570\u3092\u751f\u6210\u3059\u308b<\/span>\r\n$randomizer<\/span>-><\/span>nextFloat<\/span>();<\/span>\r\n  \/\/ $randomizer->getFloat(0, 1, \\Random\\IntervalBoundary::ClosedOpen)\u3068\u540c\u3058<\/span>\r\n<\/code><\/pre>\n
\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u521b\u5efa\u5bc6\u7801\u5b66\u4e0a\u5b89\u5168\u7684\u968f\u673a\u5b57\u7b26\u4e32\u548c\u8303\u56f4\u6307\u5b9a\u7684\u968f\u673a\u6570\u3002\u8fd8\u53ef\u4ee5\u6307\u5b9a\u5f00\u533a\u95f4\u548c\u95ed\u533a\u95f4\u3002\u8fd9\u975e\u5e38\u65b9\u4fbf\u6613\u7528\u3002<\/p>\n
JSON\u9a8c\u8bc1\u51fd\u6570()<\/p>\n
\u901a\u8fc718\u7968\u8d5e\u6210\u30011\u7968\u53cd\u5bf9\u7684\u7ed3\u679c\u4e88\u4ee5\u63a5\u53d7\u3002<\/p>\n
\u5c06\u4f1a\u6dfb\u52a0\u4e00\u4e2a\u51fd\u6570\u6765\u5224\u65adJSON\u662f\u5426\u5408\u6cd5\u3002<\/p>\n
var_dump<\/span>(<\/span>json_validate<\/span>(<\/span>'{ \"\": \"\": \"\" } }'<\/span>));<\/span> \/\/ false<\/span>\r\n<\/code><\/pre>\n
\u4e00\u4e9b\u4eba\u8ba4\u4e3a\u53ea\u9700\u5bf9json_decode\u8fdb\u884c\u4e00\u6b21\u5c1d\u8bd5\u5c31\u80fd\u77e5\u9053\u662f\u5426\u6b63\u786e\uff0c\u6240\u4ee5\u8fd9\u5e76\u4e0d\u5fc5\u8981\uff1b\u4f46\u662f\u901a\u8fc7\u7ec6\u81f4\u7684\u529d\u8bf4\u548c\u63d0\u4f9b\u5404\u79cd\u7528\u4f8b\uff0c\u6700\u7ec8\u6210\u529f\u5730\u88ab\u91c7\u7eb3\u4e86\u3002<\/p>\n
\u4e3arange()\u51fd\u6570\u5b9a\u4e49\u9002\u5f53\u7684\u8bed\u4e49\u3002<\/p>\n
\u5168\u7968\u8d5e\u6210\uff0c\u65e0\u53cd\u5bf9\uff0c\u901a\u8fc7\u53d7\u7406\u3002<\/p>\n
\u4fee\u6539range()\u51fd\u6570\u5e76\u589e\u5f3a\u5176\u5904\u7406\u80fd\u529b\u3002<\/p>\n
\u5f53\u4ee5\u4e0d\u5e38\u89c1\u7684\u53c2\u6570\u65b9\u5f0f\u4f20\u9012\u7ed9\u8303\u56f4\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u81ea\u7136\u7684\u884c\u4e3a\u3002\u4e3a\u4e86\u5c3d\u53ef\u80fd\u4f7f\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7684\u884c\u4e3a\u66f4\u52a0\u81ea\u7136\uff0c\u5e76\u4e14\u5bf9\u4e8e\u975e\u6cd5\u53c2\u6570\u8fdb\u884c\u9519\u8bef\u63d0\u793a\u3002<\/p>\n
var_dump<\/span>(<\/span>range<\/span>(<\/span>0<\/span>,<\/span> 3<\/span>,<\/span> -<\/span>1<\/span>));<\/span>\r\n\/\/ PHP8.2\u307e\u3067 [0, 1, 2, 3]<\/span>\r\n\/\/ PHP8.3\u4ee5\u964d ValueError<\/span>\r\n\r\nvar_dump<\/span>(<\/span>range<\/span>(<\/span>'9'<\/span>,<\/span> 'A'<\/span>));<\/span>\r\n\/\/ PHP8.2\u307e\u3067 [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]<\/span>\r\n\/\/ PHP8.3\u4ee5\u964d [9, :, ;, <, =, >, ?, @, A]<\/span>\r\n\r\nvar_dump<\/span>(<\/span>range<\/span>(<\/span>''<\/span>,<\/span> 0<\/span>));<\/span>\r\n\/\/ PHP8.2\u307e\u3067 [0]<\/span>\r\n\/\/ PHP8.3\u4ee5\u964d [0]  Warning: range(): Argument #1 ($start) must not be empty, casted to 0<\/span>\r\n<\/code><\/pre>\n
\u5bf9\u6211\u6765\u8bf4\uff0c\u8fc4\u4eca\u4e3a\u6b62\u5ffd\u7565\u4e86\u67d0\u4e9b\u60c5\u51b5\u4e0b\u7684$step\u7684-1\u8fd9\u4e00\u4e8b\u5b9e\u771f\u7684\u592a\u4ee4\u4eba\u9707\u60ca\u4e86\u3002<\/p>\n
\u66f4\u5408\u9002\u7684\u65e5\u671f\/\u65f6\u95f4\u4f8b\u5916\u60c5\u51b5<\/p>\n
\u4ee525\u7968\u8d5e\u6210\uff0c1\u7968\u53cd\u5bf9\u901a\u8fc7\u3002<\/p>\n
\u8fd9\u662f\u5bf9DateTime\u9519\u8bef\u5904\u7406\u529f\u80fd\u7684\u589e\u5f3a\u3002<\/p>\n
$i<\/span> =<\/span> DateInterval<\/span>::<\/span>createFromDateString<\/span>(<\/span>'last Monday of'<\/span>);<\/span>\r\n$sub<\/span> =<\/span> (<\/span>new<\/span> DateTimeImmutable<\/span>())<\/span>-><\/span>sub<\/span>(<\/span>$i<\/span>);<\/span>\r\n\r\n\/\/ PHP8.2  Warning: DateTimeImmutable::sub(): Only non-special relative time specifications are supported for subtraction<\/span>\r\n\/\/ PHP8.3  Fatal error: DateMalformedIntervalStringException <\/span>\r\n<\/code><\/pre>\n
\u5f15\u5165\u591a\u79cdDateException\u548cDateError\uff0c\u53ef\u4ee5\u8fdb\u884c\u8be6\u7ec6\u7684\u9a8c\u8bc1\u3002<\/p>\n
\u63d0\u9ad8unserialize()\u9519\u8bef\u5904\u7406\u7684\u80fd\u529b<\/p>\n
unserialize\u7684\u9519\u8bef\u5904\u7406\u529f\u80fd\u5df2\u7ecf\u52a0\u5f3a\u3002
\n\u6709\u4e09\u4e2a\u63d0\u8bae\uff0c\u5176\u4e2d\u4e24\u4e2a\u88ab\u63a5\u53d7\u4e86\u3002<\/p>\n
unserialize<\/span>(<\/span>'foo'<\/span>);<\/span>\r\n\/\/ PHP8.2  E_NOTICE<\/span>\r\n\/\/ PHP8.3  E_WARNING<\/span>\r\n\/\/ PHP9.0  UnserializationFailedException<\/span>\r\n\r\nunserialize<\/span>(<\/span>'O:19:\"SplDoublyLinkedList\":3:{i:0;i:0;i:1;N;i:2;a:0:{}}'<\/span>);<\/span>\r\n\/\/ PHP8.2  UnexpectedValueException<\/span>\r\n\/\/ PHP9.0  UnserializationFailedException<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u7531\u4e8e\u4e4b\u524d\u53d1\u751f\u4e86\u5404\u79cd\u9519\u8bef\u548c\u5f02\u5e38\uff0c\u6bd4\u5982E_NOTICE\u3001E_WARNING\u548cUnexpectedValueException\uff0c\u5bfc\u81f4\u5904\u7406\u53d8\u5f97\u56f0\u96be\u3002\u4f46\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6355\u83b7UnserializationFailedException\u6765\u7edf\u4e00\u5904\u7406\u3002<\/p>\n
\u53e6\u5916\uff0cUnserializationFailedException\u7684\u5f15\u5165\u5df2\u5728PHP9\u4e2d\u5b9e\u73b0\u3002
\n\u5728PHP8.3\u4e2d\u4f3c\u4e4e\u6b63\u5728\u8fdb\u884c\u4e3a\u6b64\u505a\u51c6\u5907\u3002<\/p>\n
\u4f7funserialize()\u8f93\u51fa\u4e00\u4e2a\u5173\u4e8e\u5c3e\u90e8\u6570\u636e\u7684\u8b66\u544a<\/p>\n
\u5168\u7968\u8d5e\u6210\uff0c\u65e0\u7968\u53cd\u5bf9\uff0c\u88ab\u63a5\u53d7\u3002<\/p>\n
\u5982\u679c\u5728unserialize()\u7684\u672b\u5c3e\u51fa\u73b0\u4e86\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\u4e32\uff0c\u5c06\u53d1\u51fa\u8b66\u544a\u3002<\/p>\n
var_dump<\/span>(<\/span>unserialize<\/span>(<\/span>'i:5;i:6;'<\/span>));<\/span>\r\n\r\n\/\/ PHP8.2  \u30a8\u30e9\u30fc\u51fa\u306a\u3044<\/span>\r\n\/\/ PHP8.3  unserialize(): Extra data starting at offset 4 of 8 bytes<\/span>\r\n<\/code><\/pre>\n
i:5; i:6;\u7684\u89e3\u6790\u5728i:5;\u7ed3\u675f\uff0c\u5e76\u4e14\u503c\u53d8\u4e3aint(5)\u3002
\n\u968f\u540e\u7684i:6;\u662f\u5b8c\u5168\u65e0\u7528\u7684\u5b57\u7b26\uff0c\u4ee5\u524d\u88ab\u5ffd\u7565\uff0c\u4f46\u73b0\u5728\u5c06\u4ea7\u751fE_WARNING\u8b66\u544a\u3002<\/p>\n
\u542c\u8bf4\u6709\u4e0eCVE-2023-21036\u76f8\u540c\u7684\u6f0f\u6d1e\u95ee\u9898\u3002<\/p>\n
\u4e09\u5143\u6570\u7ec4_\uff08\u6c42\u548c|\u4e58\u79ef\uff09()<\/p>\n
27\u4eba\u8d5e\u6210\uff0c0\u4eba\u53cd\u5bf9\uff0c\u901a\u8fc7\u3002<\/p>\n
\u63d0\u9ad8array_sum\u548carray_product\u7684\u529f\u80fd\u3002<\/p>\n
echo<\/span> gmp_init<\/span>(<\/span>\"123\"<\/span>)<\/span> +<\/span> 456<\/span>;<\/span>\r\n\/\/ PHP8.2  579<\/span>\r\n\/\/ PHP8.3  579<\/span>\r\n\r\necho<\/span> array_sum<\/span>([<\/span>gmp_init<\/span>(<\/span>\"123\"<\/span>),<\/span> 456<\/span>]);<\/span>\r\n\/\/ PHP8.2  456 \u2190<\/span>\r\n\/\/ PHP8.3  579<\/span>\r\n<\/code><\/pre>\n
array_sum\u3084array_product\u306f\u3001\u3053\u308c\u307e\u3067\u4e00\u90e8\u306e\u52d5\u4f5c\u304c\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u7570\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002
\nPHP8.3\u4ee5\u964d\u306f\u540c\u3058\u52d5\u4f5c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u66f4\u7406\u667a\u7684\u589e\u51cf\u64cd\u4f5c\u7b26\u4e4b\u8def<\/p>\n
\u8cdb\u621025\u53cd\u5bfe0\u3067\u53d7\u7406\u3002<\/p>\n
\u6539\u8fdb\u589e\u91cf\u548c\u51cf\u91cf\u8fd0\u7b97\u7b26\u3002<\/p>\n
\r\n$i<\/span> =<\/span> 10<\/span>;<\/span>\r\nvar_dump<\/span>(<\/span>$i<\/span>-<\/span>1<\/span>);<\/span> \/\/ 9<\/span>\r\nvar_dump<\/span>(<\/span>--<\/span>$i<\/span>);<\/span> \/\/ 9<\/span>\r\n\r\n$n<\/span> =<\/span> null<\/span>;<\/span>\r\nvar_dump<\/span>(<\/span>$n<\/span>-<\/span>1<\/span>);<\/span> \/\/ -1<\/span>\r\nvar_dump<\/span>(<\/span>--<\/span>$n<\/span>);<\/span> \/\/ null<\/span>\r\n\r\n$s<\/span> =<\/span> 'foo'<\/span>;<\/span>\r\nvar_dump<\/span>(<\/span>$s<\/span>-<\/span>1<\/span>);<\/span> \/\/ Fatal error<\/span>\r\nvar_dump<\/span>(<\/span>--<\/span>$s<\/span>);<\/span> \/\/ \"foo\"<\/span>\r\nvar_dump<\/span>(<\/span>$s<\/span>+<\/span>1<\/span>);<\/span> \/\/ Fatal error<\/span>\r\nvar_dump<\/span>(<\/span>++<\/span>$s<\/span>);<\/span> \/\/ \"fop\"<\/span>\r\n<\/code><\/pre>\n
int\u3068float\u4ee5\u5916\u306e\u578b\u3078\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u306f\u3001\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u7570\u306a\u308b\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\n\u307e\u305f\u3001\u6642\u306b\u60f3\u50cf\u3068\u659c\u3081\u4e0a\u306e\u6319\u52d5\u3092\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\n\u6587\u5b57\u5217\u306b\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3059\u308b\u3068\u6b21\u306e\u6587\u5b57\u306b\u306a\u308b\u3051\u3069\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u306f\u52b9\u304b\u306a\u3044\u306a\u3093\u3066\u3068\u3053\u308d\u306f\u7279\u306b\u610f\u5473\u304c\u308f\u304b\u308a\u307e\u305b\u3093\u306d(\u3053\u308c\u306f\u79fb\u690d\u5143\u306ePerl\u304b\u3089\u305d\u3046\u3044\u3046\u4ed5\u69d8)\u3002<\/p>\n
\u6211\u4eec\u5c06\u5bf9\u6b64\u8fdb\u884c\u6539\u8fdb\uff0c\u786e\u4fdd++$i\u7684\u884c\u4e3a\u4e0e$i+1\u76f8\u540c\u3002
\n\u5bf9\u4e8e\u9664\u4e86int\u548cfloat\u4ee5\u5916\u7684\u7c7b\u578b\uff0c\u81ea\u589e\u548c\u81ea\u51cf\u64cd\u4f5c\u5c06\u5728PHP 8.3\u4e2d\u88ab\u5f03\u7528\uff0c\u5e76\u5728PHP 9\u4e2d\u505c\u6b62\u5de5\u4f5c\u3002<\/p>\n
\u307e\u305f\u6587\u5b57\u5217\u306b\u306f\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u3092\u884c\u3046\u95a2\u6570str_increment()\u30fbstr_decrement()\u3092\u5225\u9014\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
$s<\/span> =<\/span> 'foo'<\/span>;<\/span>\r\nvar_dump<\/span>(<\/span>str_decrement<\/span>(<\/span>$s<\/span>));<\/span> \/\/ \"fon\"<\/span>\r\nvar_dump<\/span>(<\/span>str_increment<\/span>(<\/span>$s<\/span>));<\/span> \/\/ \"fop\"<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u8fdb\u6b65\uff0c\u73b0\u5728\u53ef\u4ee5\u505a\u5b57\u7b26\u4e32\u9012\u51cf\u4e86\uff0c\u8fd9\u662f\u4ee5\u524d\u65e0\u6cd5\u5b9e\u73b0\u7684\u3002<\/p>\n
\u5728SQLite3\u6269\u5c55\u4e2d\uff0c\u4f7f\u7528\u5f02\u5e38\u4e3a\u9ed8\u8ba4\u9009\u9879\u3002<\/p>\n
\u4ee521\u7968\u8d5e\u6210\uff0c0\u7968\u53cd\u5bf9\u901a\u8fc7\u3002<\/p>\n
SQLite3\u62e1\u5f35\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u4f8b\u5916\u3092\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u3057\u304b\u3057PDO\u3082MySQLi\u3082\u3068\u3063\u304f\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u4f8b\u5916\u306b\u79fb\u884c\u3057\u3066\u3044\u308b\u305f\u3081\u3001SQLite\u3082\u4f8b\u5916\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n
var_dump<\/span>(<\/span>$sqlite3<\/span>-><\/span>enableExceptions<\/span>());<\/span>\r\n\/\/ PHP8.2 false<\/span>\r\n\/\/ PHP8.3 false<\/span>\r\n\/\/ PHP9.0 true<\/span>\r\n\/\/ PHP10.0 Fatal error Undefined method<\/span>\r\n\r\n$sqlite3<\/span>-><\/span>enableExceptions<\/span>(<\/span>false<\/span>);<\/span>\r\n\/\/ PHP8.2 OK<\/span>\r\n\/\/ PHP8.3 Deprecated<\/span>\r\n\/\/ PHP9.0 Fatal error<\/span>\r\n<\/code><\/pre>\n
\u307e\u305aPHP8.3\u3067\u306fenableExceptions(false)\u3059\u308b\u3068E_DEPRECATED\u304c\u767a\u751f\u3057\u307e\u3059\u3002
\n\u305f\u3060\u3057\u521d\u671f\u5024\u306ffalse\u306e\u307e\u307e\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u4ecePHP9.0\u7248\u672c\u5f00\u59cb\uff0c\u5c06\u65e0\u6cd5\u4f7f\u7528enableExceptions(false)\u6765\u7981\u7528\u5f02\u5e38\uff0c\u800c\u9ed8\u8ba4\u503c\u4e5f\u5c06\u53d8\u4e3atrue\u3002<\/p>\n
\u5728PHP10\u4e2d\uff0c\u6700\u540eenableExceptions()\u65b9\u6cd5\u5c06\u4e0d\u518d\u5b58\u5728\u3002<\/p>\n
\nDeprecate remains of string evaluated code assertions<\/p>\n
\u4ee524\u7968\u8d5e\u6210\u30010\u7968\u53cd\u5bf9\u7684\u7ed3\u679c\u88ab\u63a5\u53d7\u3002<\/p>\n
assert_options()\u95a2\u6570\u3001\u304a\u3088\u3073\u95a2\u9023\u3059\u308b\u5b9a\u6570\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n
assert_options<\/span>(<\/span>ASSERT_BAIL<\/span>,<\/span> 1<\/span>);<\/span>\r\n\r\n\/\/ PHP8.2 \u30a8\u30e9\u30fc\u51fa\u306a\u3044<\/span>\r\n\/\/ PHP8.3 Deprecated<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fc7\u53bb\uff0c\u5982\u679c\u5728assert()\u51fd\u6570\u7684\u53c2\u6570$assertion\u4e2d\u4f20\u9012\u5b57\u7b26\u4e32\uff0c\u5219\u4f1a\u88abeval()\u8fdb\u884c\u8bc4\u4f30\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u7528\u6cd5\u5728PHP7.2\u4e2d\u88ab\u6807\u8bb0\u4e3a\u4e0d\u63a8\u8350\uff0c\u5e76\u5728PHP8.0\u4e2d\u88ab\u5220\u9664\u3002
\n\u7136\u800c\uff0c\u5c3d\u7ba1\u8be5\u529f\u80fd\u5df2\u88ab\u5220\u9664\uff0c\u4f46\u4e00\u4e9b\u76f8\u5173\u7684ini\u8bbe\u7f6e\u4ecd\u7136\u4fdd\u7559\u3002<\/p>\n
\u53e6\u5916\uff0c\u65e0\u8bba\u662fassert_options()\u8fd8\u662fini_set()\uff0c\u5728\u6587\u6863\u4e2d\u90fd\u660e\u786e\u5199\u660e\u8981\u4f7f\u7528ini_set()\uff0c\u4f46\u73b0\u5df2\u6b63\u5f0f\u5e9f\u5f03\u3002<\/p>\n
\u5e9f\u5f03\u62e5\u6709\u8fc7\u8f7d\u7b7e\u540d\u7684\u51fd\u6570  – de<\/p>\n
\u505c\u7528\u6807\u51c6\u51fd\u6570\u4e2d\u7684\u51fd\u6570\u7b7e\u540d\u91cd\u8f7d\u3002
\n\u987a\u4fbf\u4e00\u63d0\uff0c\u6b64\u5904\u7684\u91cd\u8f7d\u4e0d\u662f\u6307PHP\u4e2d\u7684\u91cd\u8f7d\uff0c\u800c\u662f\u6307\u4e00\u822c\u610f\u4e49\u4e0a\u7684\u91cd\u8f7d\u3002
\n\u4e3a\u4ec0\u4e48\u8981\u7528\u540c\u4e00\u4e2a\u8bcd\u6c47\u5462\u3002<\/p>\n
\u4f5c\u4e3a\u4f8b\u5b50\uff0cDatePeriod::__construct()\u6709\u4e09\u79cd\u4e0d\u540c\u7684\u7b7e\u540d\u3002<\/p>\n
class<\/span> DatePeriod<\/span>\r\n{<\/span>\r\n    public<\/span> function<\/span> __construct<\/span>(<\/span>DateTimeInterface<\/span> $start<\/span>,<\/span> DateInterval<\/span> $interval<\/span>,<\/span> DateTimeInterface<\/span> $end<\/span>,<\/span> int<\/span> $options<\/span> =<\/span> 0<\/span>)<\/span> {}<\/span>\r\n    public<\/span> function<\/span> __construct<\/span>(<\/span>DateTimeInterface<\/span> $start<\/span>,<\/span> DateInterval<\/span> $interval<\/span>,<\/span> int<\/span> $recurrences<\/span>,<\/span> int<\/span> $options<\/span> =<\/span> 0<\/span>)<\/span> {}<\/span>\r\n    public<\/span> function<\/span> __construct<\/span>(<\/span>string<\/span> $isostr<\/span>,<\/span> int<\/span> $options<\/span> =<\/span> 0<\/span>)<\/span> {}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u9019\u4e9b\u4e2d\uff0c\u53ea\u4fdd\u7559\u6700\u4e0a\u65b9\u7684\u7c3d\u540d\u3002
\n\u5176\u4ed6\u7684\u7c3d\u540d\u5c07\u5728PHP8.3\u4e2d\u88ab\u6a19\u793a\u70ba\u5df2\u5ee2\u68c4\uff0c\u4e26\u5728PHP9\u4e2d\u88ab\u522a\u9664\u3002<\/p>\n
class<\/span> DatePeriod<\/span>\r\n{<\/span>\r\n    public<\/span> function<\/span> __construct<\/span>(<\/span>DateTimeInterface<\/span> $start<\/span>,<\/span> DateInterval<\/span> $interval<\/span>,<\/span> DateTimeInterface<\/span>|<\/span>int<\/span> $end<\/span>,<\/span> int<\/span> $options<\/span> =<\/span> 0<\/span>)<\/span> {}<\/span>\r\n    public<\/span> static<\/span> function<\/span> createFromISO8601String<\/span>(<\/span>string<\/span> $specification<\/span>,<\/span> int<\/span> $options<\/span> =<\/span> 0<\/span>):<\/span> static<\/span> {}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6765\u53ef\u80fd\u4ecd\u7136\u9700\u8981\u7684\u5220\u9664\u7b7e\u540d\u5c06\u63d0\u4f9b\u66ff\u4ee3\u51fd\u6570\u6216\u65b9\u6cd5\u3002<\/p>\n
\u8fd8\u6709\u5f88\u591a\u5173\u4e8e\u5176\u4ed6\u51fd\u6570\u548c\u65b9\u6cd5\u7684\u63d0\u6848\uff0c\u6bcf\u4e2a\u63d0\u6848\u90fd\u4f1a\u88ab\u63a5\u53d7\u6216\u62d2\u7edd\u3002<\/p>\n
PHP 8.3\u7684\u964d\u7ea7\u60c5\u51b5<\/p>\n
\u7531\u4e8e\u5386\u53f2\u539f\u56e0\uff0cPHP\u5b58\u5728\u8bb8\u591a\u8fc7\u65f6\u7684\u529f\u80fd\u3001\u5b58\u5728\u5b89\u5168\u95ee\u9898\u7684\u529f\u80fd\u4ee5\u53ca\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u4f1a\u6709\u8fd9\u79cd\u529f\u80fd\u7684\u529f\u80fd\u7b49\u7b49\u3002
\n\u56e0\u6b64\uff0c\u5728\u6bcf\u4e2a\u7248\u672c\u7684PHP\u5347\u7ea7\u4e2d\uff0c\u6211\u4eec\u4f1a\u5220\u9664\u6216\u4fdd\u7559\u8fd9\u4e9b\u8d1f\u9762\u9057\u7559\u3002
\n\u5728PHP 8.3\u4e2d\uff0c\u4ee5\u4e0b4\u4e2a\u529f\u80fd\u5c06\u88ab\u6807\u8bb0\u4e3a\u4e0d\u63a8\u8350\uff0c\u5e76\u5728PHP 9\u4e2d\u88ab\u5220\u9664\u3002<\/p>\n
mb_strimwidth<\/span>(<\/span>'abcde'<\/span>,<\/span> 0<\/span>,<\/span> -<\/span>1<\/span>);<\/span>\r\n\/\/ PHP8.2 abcd<\/span>\r\n\/\/ PHP8.3 abcd Deprecated<\/span>\r\n\/\/ PHP9.0 Fatal error<\/span>\r\n\r\nvar_dump<\/span>(<\/span>NumberFormatter<\/span>::<\/span>TYPE_CURRENCY<\/span>);<\/span>\r\n\/\/ PHP8.2 \u5024\u306f\u53d6\u308c\u308b \u30a8\u30e9\u30fc\u51fa\u306a\u3044<\/span>\r\n\/\/ PHP8.3 \u5024\u306f\u53d6\u308c\u308b Deprecated<\/span>\r\n\/\/ PHP9.0 Fatal error Undefined constant<\/span>\r\n\r\nldap_connect<\/span>(<\/span>$host<\/span>,<\/span> $port<\/span>);<\/span>\r\n\/\/ PHP8.2 \u30a8\u30e9\u30fc\u51fa\u306a\u3044<\/span>\r\n\/\/ PHP8.3 Deprecated<\/span>\r\n\/\/ PHP9.0 Fatal error<\/span>\r\n<\/code><\/pre>\n
mb_strimwidth()\u7684\u53c2\u6570$width\u5c06\u4e0d\u80fd\u4e3a\u8d1f\u6570\u3002
\n\u5f53\u7ed9\u5b9a\u8d1f\u6570\u4f5c\u4e3a\u5bbd\u5ea6\u65f6\uff0c\u4ece\u672b\u5c3e\u8ba1\u6570\u7684\u884c\u4e3a\u662f\u5b57\u7b26\u4e32\u51fd\u6570\u7684\u5171\u540c\u7279\u70b9\uff0c\u4f46\u662fmb_strimwidth()\u672c\u8eab\u7528\u4e8e\u300e\u5c06\u5b57\u7b26\u4e32\u88c1\u526a\u5230\u6307\u5b9a\u957f\u5ea6\u300f\u7684\u76ee\u7684\uff0c\u4e0e\u5176\u76ee\u7684\u4e0d\u7b26\u3002
\n\u5982\u679c\u60f3\u8981\u8fdb\u884c\u4f9d\u8d56\u4e8e\u539f\u59cb\u5b57\u7b26\u4e32\u957f\u5ea6\u7684\u88c1\u526a\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528mb_substr()\u7b49\u65b9\u6cd5\u3002<\/p>\n
\u5c06\u88ab\u5220\u9664\u7684\u5e38\u91cfNumberFormatter::TYPE_CURRENCY\u3002
\n\u5c3d\u7ba1\u5b9a\u4e49\u4e86\u8be5\u5e38\u91cf\uff0c\u4f46\u5176\u5e76\u672a\u5b9e\u73b0\u3002<\/p>\n
“\u5c06\u5220\u9664\u5e38\u91cfMT_RAND_PHP\u3002”<\/p>\n
\u66fe\u7ecf PHP \u7684\u968f\u673a\u6570\u5b58\u5728\u7740\u7834\u635f\u7684 Mersenne Twister \u95ee\u9898\u3002\u8fd9\u4e2a\u95ee\u9898\u5728 PHP 7.1 \u7248\u672c\u4e2d\u5f97\u5230\u4fee\u590d\uff0c\u4f46\u4e3a\u4e86\u517c\u5bb9\u7b49\u539f\u56e0\uff0c\u5f15\u5165\u4e86\u5e38\u91cf MT_RAND_PHP \u4f5c\u4e3a\u6709\u610f\u518d\u73b0\u7834\u635f\u968f\u673a\u6570\u7684\u624b\u6bb5\u3002<\/p>\n
\u7136\u540e\u5728PHP8\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u4e8b\u5b9e\u4e0a\u5df2\u7ecf\u635f\u574f\u7684Mersenne Twister\uff0c\u4f46\u662f\u6ca1\u6709\u4eba\u63d0\u51fa\u4efb\u4f55\u62b1\u6028\uff0c\u4f3c\u4e4e\u5df2\u7ecf\u8ba4\u4e3a\u5b83\u5df2\u7ecf\u5f88\u517c\u5bb9\u4e86\u3002<\/p>\n
\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u4e5f\u6709\u4eba\u63d0\u51fa\u4e86\u5220\u9664\u672a\u635f\u574f\u7684\u6885\u68ee\u65cb\u8f6c\u673a\u63d0\u8bae\uff0c\u4f46\u8fd9\u4e2a\u63d0\u8bae\u88ab\u660e\u786e\u5426\u51b3\u4e86\u3002\u867d\u7136\u5982\u6b64\uff0c\u6885\u68ee\u65cb\u8f6c\u673a\u5728\u5bc6\u7801\u5b66\u4e0a\u5e76\u4e0d\u5b89\u5168\uff0c\u6240\u4ee5\u73b0\u5728\u4e0d\u5e94\u8be5\u518d\u4f7f\u7528\u5b83\u3002<\/p>\n
\u8bf7\u4f7f\u7528ldap_connect\u51fd\u6570\u7684\u5355\u53c2\u6570\u7b7e\u540d\uff0c\u5c06\u4f1a\u5220\u9664\u5176\u4e2d\u7684\u4e24\u4e2a\u53c2\u6570\u3002<\/p>\n
\u601d\u8003<\/p>\n
PHP8.3\u306f\u65e2\u306b\u03b1\u7248\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\nLinux \/ Windows
\n\u7de0\u3081\u5207\u308a\u9593\u969b\u3067\u53d7\u7406\u3055\u308c\u305f\u6a5f\u80fd\u306a\u3069\u306f\u307e\u3060\u5165\u3063\u3066\u306a\u3044\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u65e2\u306b\u4e00\u90e8\u306e\u6a5f\u80fd\u306f\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u904a\u3093\u3067\u307f\u3066\u306f\u3069\u3046\u3057\u3087\u3046\u304b\u3002<\/p>\n
Nikita\u306e\u907a\u7523\u304c\u6b8b\u3063\u3066\u3044\u305fPHP8.2\u3068\u7570\u306a\u308a\u3001PHP8.3\u306f\u5f7c\u306e\u624b\u306f\u307b\u3068\u3093\u3069\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002
\n\u3057\u304b\u3057\u306a\u304c\u3089\u3082\u7740\u5b9f\u306b\u69d8\u3005\u306a\u6539\u5584\u3001\u6539\u826f\u304c\u306a\u3055\u308c\u3066\u304a\u308a\u3001\u6b21\u4e16\u4ee3\u306b\u3057\u3063\u304b\u308a\u5f15\u304d\u7d99\u304c\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u5e0c\u671b\u672a\u6765PHP\u4ecd\u7136\u4fdd\u6301\u6613\u5b66\u4e14\u7b80\u6d01\u7684\u8bed\u8a00\u7279\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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