{"id":50463,"date":"2023-08-28T22:48:40","date_gmt":"2023-06-18T23:26:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php8-3%e3%80%91pdo%e5%b0%86%e6%8f%90%e4%be%9b%e6%95%b0%e6%8d%ae%e5%ba%93%e7%89%b9%e5%ae%9a%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/"},"modified":"2024-04-30T20:31:09","modified_gmt":"2024-04-30T12:31:09","slug":"%e3%80%90php8-3%e3%80%91pdo%e5%b0%86%e6%8f%90%e4%be%9b%e6%95%b0%e6%8d%ae%e5%ba%93%e7%89%b9%e5%ae%9a%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php8-3%e3%80%91pdo%e5%b0%86%e6%8f%90%e4%be%9b%e6%95%b0%e6%8d%ae%e5%ba%93%e7%89%b9%e5%ae%9a%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/","title":{"rendered":"\u3010PHP8.3\u3011PDO\u5c06\u63d0\u4f9b\u6570\u636e\u5e93\u7279\u5b9a\u7684\u529f\u80fd"},"content":{"rendered":"

PDO\u662f\u4e00\u4e2a\u901a\u7528\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n

\/\/ MySQL<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>'mysql:host=localhost;dbname=test'<\/span>);<\/span>\r\n\r\n\/\/ PostgreSQL<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>'pgsql:host=localhost;dbname=test'<\/span>);<\/span>\r\n\r\n\/\/ SQLite<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>'sqlite:\/path\/to\/sqlite_db.db'<\/span>);<\/span>\r\n\r\n\/\/ \u4ee5\u5f8c\u306f\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u308b<\/span>\r\n$data<\/span> =<\/span> $pdo<\/span>-><\/span>query<\/span>(<\/span>'SELECT * FROM table'<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u4e0d\u7ba1\u8fde\u63a5\u7684\u6570\u636e\u5e93\u662f\u4ec0\u4e48\u7c7b\u578b\uff0c\u53ea\u9700\u66f4\u6539\u6570\u636e\u6e90\u540d\u79f0(DSN)\uff0c\u5c31\u53ef\u4ee5\u5b8c\u5168\u76f8\u540c\u5730\u7f16\u5199\u4ee3\u7801\u3002\u8fd9\u771f\u662f\u975e\u5e38\u65b9\u4fbf\u554a\u3002<\/p>\n
\u9006\u53c8\u53ef\u8bf4\uff0c\u7531\u4e8e\u5b83\u662f\u901a\u7528\u9a71\u52a8\u7a0b\u5e8f\uff0c\u6240\u4ee5\u4f7f\u7528\u5404\u4e2a\u6570\u636e\u5e93\u7684\u7279\u5b9a\u529f\u80fd\u4e0d\u592a\u65b9\u4fbf\u3002\u8fd9\u5c31\u9700\u8981\u7279\u610f\u4f7f\u7528\u7279\u5b9a\u6a21\u5757\uff0c\u5f88\u9ebb\u70e6\u3002
\n\u56e0\u6b64\uff0c\u6709\u4eba\u63d0\u51fa\u4e86\u4e00\u4e2aRFC\uff0c\u8ba1\u5212\u5728PDO\u4e2d\u521b\u5efa\u5b50\u7c7b\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
\/\/ MySQL\u56fa\u6709\u6a5f\u80fd\u304c\u4f7f\u3048\u308b<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PdoMySql<\/span>(<\/span>'mysql:host=localhost;dbname=test'<\/span>);<\/span>\r\n$pdo<\/span>-><\/span>getWarningCount<\/span>();<\/span>\r\n\r\n\/\/ PostgreSQL\u56fa\u6709\u6a5f\u80fd\u304c\u4f7f\u3048\u308b<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PdoPgsql<\/span>(<\/span>'pgsql:host=localhost;dbname=test'<\/span>);<\/span>\r\n$pdo<\/span>-><\/span>escapeIdentifier<\/span>(<\/span>$name<\/span>);<\/span>\r\n\r\n\/\/ SQLite\u56fa\u6709\u6a5f\u80fd\u304c\u4f7f\u3048\u308b<\/span>\r\n$pdo<\/span> =<\/span> new<\/span> PdoSqlite<\/span>(<\/span>'sqlite:\/path\/to\/sqlite_db.db'<\/span>);<\/span>\r\n$pdo<\/span>-><\/span>createCollation<\/span>(<\/span>$collection<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528new PDO()\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e0e\u4ee5\u524d\u4e00\u6837\u6ca1\u6709\u4efb\u4f55\u53d8\u5316\u3002\u8fd9\u4ec5\u4ec5\u662f\u4e3a\u4e86\u80fd\u591f\u751f\u6210\u5b50\u7c7b\u4ee5\u4f7f\u7528\u7279\u5b9a\u4e8e\u6570\u636e\u5e93\u7684\u529f\u80fd\u3002<\/p>\n
\u5df2\u7ecf\u88ab\u63a5\u53d7\u5e76\u53ef\u4ee5\u5728PHP8.3\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u4f7f\u7528\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u5173\u4e8eRFC\uff08Request for Comments\uff09\u548cPDO\u9a71\u52a8\u7a0b\u5e8f\u7279\u5b9a\u5b50\u7c7b\u7684\u4ecb\u7ecd\u3002<\/p>\n
PHP \u8bf7\u6c42\u54cd\u5e94(RFC)\uff1aPDO\u9a71\u52a8\u5668\u7279\u5b9a\u7684\u5b50\u7c7b<\/h1>\n
\u7b80\u4ecb<\/h2>\n
PDO\u662f\u4e00\u4e2a\u901a\u7528\u7684\u6570\u636e\u5e93\u7c7b\u3002
\n\u652f\u6301\u7684\u6570\u636e\u5e93\u4e2d\u53ef\u80fd\u8fd8\u6709\u4e00\u4e9b\u5177\u6709\u7279\u5b9a\u529f\u80fd\u7684\u3002
\n\u4f8b\u5982\uff0c\u5982\u679c\u8fde\u63a5\u5230SQLite\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528PDO::sqliteCreateFunction()\u65b9\u6cd5\u3002<\/p>\n
\u7136\u800c\uff0c\u6839\u636e\u8fde\u63a5\u7684\u6570\u636e\u5e93\u7684\u4e0d\u540c\uff0c\u65b9\u6cd5\u7684\u53ef\u7528\u6027\u6216\u4e0d\u53ef\u7528\u6027\u662f\u975e\u5e38\u4e0d\u81ea\u7136\u7684\u3002<\/p>\n
\u4f5c\u4e3aPDO\u7684\u5b50\u7c7b\uff0c\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u51c6\u5907\u4e13\u95e8\u7684\u65b9\u6cd5\u4f1a\u4f7f\u4ee3\u7801\u66f4\u6613\u8bfb\u3002<\/p>\n
\u5efa\u8bae<\/h2>\n
\u8fd9\u4e2aRFC\u5305\u542b\u4e24\u4e2a\u5efa\u8bae\u3002<\/p>\n
\u5728PDO\u4e2d\u6dfb\u52a0\u53ef\u4ee5\u4f7f\u7528\u7279\u5b9a\u9a71\u52a8\u7a0b\u5e8f\u529f\u80fd\u7684\u5b50\u7c7b\u3002
\n\u6dfb\u52a0\u5de5\u5382\u65b9\u6cd5PDO::connect()\u3002<\/p>\n
\u6dfb\u52a0\u65b0\u7684PDO\u5b50\u7c7b<\/h3>\n
\u5728\u6240\u6709PDO\u6269\u5c55\u6a21\u5757\u4e2d\uff0c\u5c06\u5404\u81ea\u7684\u5b50\u7c7b\u6dfb\u52a0\u5230PHP\u4e2d\u3002\u4f8b\u5982\uff0csqliteCreateFunction()\u4e0d\u5e94\u8be5\u5728PDO::sqliteCreateFunction()\u4e2d\uff0c\u800c\u5e94\u8be5\u5728PdoSqlite::createFunction()\u4e2d\u3002<\/p>\n
class<\/span> PdoDblib<\/span> extends<\/span> PDO<\/span>\r\n{}<\/span>\r\n\r\nclass<\/span> PdoFirebird<\/span> extends<\/span> PDO<\/span>\r\n{}<\/span>\r\n\r\nclass<\/span> PdoMySql<\/span> extends<\/span> PDO<\/span>\r\n{<\/span>\r\n    public<\/span> function<\/span> getWarningCount<\/span>():<\/span> int<\/span> {}<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> PdoOci<\/span> extends<\/span> PDO<\/span>\r\n{}<\/span>\r\n\r\nclass<\/span> PdoOdbc<\/span> extends<\/span> PDO<\/span>\r\n{}<\/span>\r\n\r\nclass<\/span> PdoPgsql<\/span> extends<\/span> PDO<\/span>\r\n{<\/span>\r\n    \/**\r\n     * @var int\r\n     * @cname PDO_PGSQL_ATTR_DISABLE_PREPARES\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> ATTR_DISABLE_PREPARES<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname PGSQL_TRANSACTION_IDLE\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> TRANSACTION_IDLE<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname PGSQL_TRANSACTION_ACTIVE\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> TRANSACTION_ACTIVE<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname PGSQL_TRANSACTION_INTRANS\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> TRANSACTION_INTRANS<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname PGSQL_TRANSACTION_INERROR\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> TRANSACTION_INERROR<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname PGSQL_TRANSACTION_UNKNOWN\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> TRANSACTION_UNKNOWN<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    public<\/span> function<\/span> escapeIdentifier<\/span>(<\/span>string<\/span> $input<\/span>):<\/span> string<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> copyFromArray<\/span>(<\/span>string<\/span> $tableName<\/span>,<\/span> array<\/span> $rows<\/span>,<\/span> string<\/span> $separator<\/span> =<\/span> \"<\/span>\\t<\/span>\"<\/span>,<\/span> string<\/span> $nullAs<\/span> =<\/span> \"<\/span>\\\\\\\\<\/span>N\"<\/span>,<\/span> ?string<\/span> $fields<\/span> =<\/span> null<\/span>):<\/span> bool<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> copyFromFile<\/span>(<\/span>string<\/span> $tableName<\/span>,<\/span> string<\/span> $filename<\/span>,<\/span> string<\/span> $separator<\/span> =<\/span> \"<\/span>\\t<\/span>\"<\/span>,<\/span> string<\/span> $nullAs<\/span> =<\/span> \"<\/span>\\\\\\\\<\/span>N\"<\/span>,<\/span> ?string<\/span> $fields<\/span> =<\/span> null<\/span>):<\/span> bool<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> copyToArray<\/span>(<\/span>string<\/span> $tableName<\/span>,<\/span> string<\/span> $separator<\/span> =<\/span> \"<\/span>\\t<\/span>\"<\/span>,<\/span> string<\/span> $nullAs<\/span> =<\/span> \"<\/span>\\\\\\\\<\/span>N\"<\/span>,<\/span> ?string<\/span> $fields<\/span> =<\/span> null<\/span>):<\/span> array<\/span>|<\/span>false<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> copyToFile<\/span>(<\/span>string<\/span> $tableName<\/span>,<\/span> string<\/span> $filename<\/span>,<\/span> string<\/span> $separator<\/span> =<\/span> \"<\/span>\\t<\/span>\"<\/span>,<\/span> string<\/span> $nullAs<\/span> =<\/span> \"<\/span>\\\\\\\\<\/span>N\"<\/span>,<\/span> ?string<\/span> $fields<\/span> =<\/span> null<\/span>):<\/span> bool<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> lobCreate<\/span>():<\/span> string<\/span>|<\/span>false<\/span> {}<\/span>\r\n \r\n    \/\/ Opens an existing large object stream.  Must be called inside a transaction.<\/span>\r\n    \/** @return resource|false *\/<\/span>\r\n    public<\/span> function<\/span> lobOpen<\/span>(<\/span>string<\/span> $oid<\/span>,<\/span> string<\/span> $mode<\/span> =<\/span> \"rb\"<\/span>){}<\/span>\r\n \r\n    public<\/span> function<\/span> lobUnlink<\/span>(<\/span>string<\/span> $oid<\/span>):<\/span> bool<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> getNotify<\/span>(<\/span>int<\/span> $fetchMode<\/span> =<\/span> PDO<\/span>::<\/span>FETCH_USE_DEFAULT<\/span>,<\/span> int<\/span> $timeoutMilliseconds<\/span> =<\/span> 0<\/span>):<\/span> array<\/span>|<\/span>false<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> getPid<\/span>():<\/span> int<\/span> {}<\/span>\r\n}<\/span>\r\n\r\n\r\nclass<\/span> PdoSqlite<\/span> extends<\/span> PDO<\/span>\r\n{<\/span>\r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_DETERMINISTIC\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> DETERMINISTIC<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_ATTR_OPEN_FLAGS\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> ATTR_OPEN_FLAGS<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_OPEN_READONLY\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> OPEN_READONLY<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_OPEN_READWRITE\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> OPEN_READWRITE<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_OPEN_CREATE\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> OPEN_CREATE<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname SQLITE_ATTR_READONLY_STATEMENT\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> ATTR_READONLY_STATEMENT<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/**\r\n     * @var int\r\n     * @cname\r\n     *\/<\/span>\r\n    public<\/span> const<\/span> ATTR_EXTENDED_RESULT_CODES<\/span> =<\/span> UNKNOWN<\/span>;<\/span>\r\n \r\n    \/\/ \u96c6\u8a08\u95a2\u6570\u3092\u30e6\u30fc\u30b6\u5b9a\u7fa9<\/span>\r\n    public<\/span> function<\/span> createAggregate<\/span>(<\/span>\r\n        string<\/span> $name<\/span>,<\/span>\r\n        callable<\/span> $step<\/span>,<\/span>\r\n        callable<\/span> $finalize<\/span>,<\/span>\r\n        int<\/span> $numArgs<\/span> =<\/span> -<\/span>1<\/span>\r\n    ):<\/span> bool<\/span> {}<\/span>\r\n \r\n    \/\/ \u7167\u5408\u95a2\u6570\u3092\u30e6\u30fc\u30b6\u5b9a\u7fa9<\/span>\r\n    public<\/span> function<\/span> createCollation<\/span>(<\/span>string<\/span> $name<\/span>,<\/span> callable<\/span> $callback<\/span>):<\/span> bool<\/span> {}<\/span>\r\n \r\n    public<\/span> function<\/span> createFunction<\/span>(<\/span>\r\n        string<\/span> $function_name<\/span>,<\/span>\r\n        callable<\/span> $callback<\/span>,<\/span>\r\n        int<\/span> $num_args<\/span> =<\/span> -<\/span>1<\/span>,<\/span>\r\n        int<\/span> $flags<\/span> =<\/span> 0<\/span>\r\n    ):<\/span> bool<\/span> {}<\/span>\r\n \r\n\/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u65b9\u6cd5\u306b\u3088\u3063\u3066SQLITE_OMIT_LOAD_EXTENSION\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u304b\u5426\u304b\u304c\u5909\u308f\u308b<\/span>\r\n#ifndef SQLITE_OMIT_LOAD_EXTENSION<\/span>\r\n    public<\/span> function<\/span> loadExtension<\/span>(<\/span>string<\/span> $name<\/span>):<\/span> bool<\/span> {}<\/span>\r\n#endif<\/span>\r\n\r\n    public<\/span> function<\/span> openBlob<\/span>(<\/span>\r\n        string<\/span> $table<\/span>,<\/span>\r\n        string<\/span> $column<\/span>,<\/span>\r\n        int<\/span> $rowid<\/span>,<\/span>\r\n        ?string<\/span> $dbname<\/span> =<\/span> \"main\"<\/span>,<\/span> \/\/null,<\/span>\r\n        int<\/span> $flags<\/span> =<\/span> PdoSqlite<\/span>::<\/span>OPEN_READONLY<\/span>\r\n    ):<\/span> mixed<\/span> \/* resource|false *\/<\/span> {}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u4e2d\u56fd\u7684\u6bcd\u8bed\u4e2d\uff0c\u53ef\u80fd\u4e5f\u6709DB\u56fa\u6709\u7684\u5176\u4ed6\u529f\u80fd\uff0c\u4f46\u5728\u672cRFC\u4e2d\u5c06\u4e0d\u4e88\u8003\u8651\u3002<\/p>\n
\u901a\u8fc7PDO\u9759\u6001\u5de5\u5382\u65b9\u6cd5\u6dfb\u52a0\u521b\u5efa\u5b83\u4eec\u7684\u65b9\u5f0f<\/h3>\n
\u5728PDO\u7c7b\u4e2d\u65b0\u589e\u4e00\u4e2a\u540d\u4e3a\u9759\u6001\u5de5\u5382\u65b9\u6cd5PDO::connect()\u3002
\n\u8be5\u65b9\u6cd5\u4f1a\u51c6\u786e\u68c0\u67e5\u8fde\u63a5\u6570\u636e\u5e93\u7c7b\u578b\u7684DSN\uff0c\u5e76\u5728\u76ee\u6807\u5b58\u5728\u65f6\u8fd4\u56de\u76f8\u5e94\u7684\u5b50\u7c7b\u3002<\/p>\n
class<\/span> PDO<\/span>\r\n{<\/span>\r\n    \/\/ connect\u306ePHP\u64ec\u4f3c\u30b3\u30fc\u30c9<\/span>\r\n    public<\/span> static<\/span> function<\/span> connect<\/span>(<\/span>string<\/span> $dsn<\/span> [,<\/span> string<\/span> $username<\/span> [,<\/span> string<\/span> $password<\/span> [,<\/span> array<\/span> $options<\/span> ]]])<\/span> {<\/span>\r\n        \/\/ SQLite\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u305f\u3089PdoSqlite\u3092\u8fd4\u3059<\/span>\r\n        if<\/span> (<\/span>connecting<\/span> to<\/span> SQLite<\/span> DB<\/span>)<\/span> {<\/span>\r\n            return<\/span> new<\/span> PdoSqlite<\/span>(<\/span>...<\/span>);<\/span>\r\n        }<\/span>\r\n        \/* \u4e2d\u7565 *\/<\/span>\r\n \r\n        \/\/ \u3044\u305a\u308c\u3067\u3082\u306a\u3051\u308c\u3070PDO\u3092\u8fd4\u3059<\/span>\r\n        return<\/span> new<\/span> PDO<\/span>(<\/span>...<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
PDO::connect() \u4f1a\u8fd4\u56de\u5408\u9002\u7684\u5b50\u7c7b\uff0c\u4ee5\u4fbf\u8fde\u63a5\u5230\u7279\u5b9a\u7684\u6570\u636e\u5e93\u3002<\/p>\n
\u6216\u8005\uff0c\u60a8\u4e5f\u53ef\u4ee5\u76f4\u63a5\u751f\u6210\u5b50\u7c7b\u3002\u4f46\u662f\uff0c\u5982\u679c\u8fde\u63a5\u7684\u6570\u636e\u5e93\u4e0d\u9002\u7528\u4e8e\u8be5\u7c7b\uff0c\u5219\u4f1a\u5f15\u53d1\u5f02\u5e38\u3002<\/p>\n
$db<\/span> =<\/span> new<\/span> PdoSqlite<\/span>(<\/span>$dsn<\/span>,<\/span> $username<\/span>,<\/span> $password<\/span>,<\/span> $options<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u4e0d\u517c\u5bb9\u7684\u5411\u540e\u53d8\u66f4 (B\u00f9 de<\/h2>\n
\u6ca1\u6709\u4e0d\u5177\u5907\u540e\u5411\u517c\u5bb9\u6027\u7684\u66f4\u6539\u3002<\/p>\n
\u5bf9\u4e8e\u76f4\u63a5\u6269\u5c55PDO\u5e76\u6dfb\u52a0\u6570\u636e\u5e93\u7279\u5b9a\u529f\u80fd\u7684\u4eba\u6765\u8bf4\uff0c\u53ef\u80fd\u6709\u4e9b\u4e0d\u4fbf\u3002<\/p>\n
\u5efa\u8bae\u7684 PHP \u7248\u672c(\u4eec)<\/h2>\n
PHP8.3\u53ef\u4ee5\u8fdb\u884c\u66f4\u9ad8\u6548\u7684\u7f16\u7a0b\u548c\u5f00\u53d1\u3002<\/p>\n
PHP\u529f\u80fd\u672a\u53d7\u5f71\u54cd\u3002<\/h2>\n
\u9664\u4e86PDO\u4e4b\u5916\uff0cPHP\u7684\u5176\u4ed6\u529f\u80fd\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n
\u7ecf\u5e38\u88ab\u95ee\u5230\u7684\u95ee\u9898<\/h2>\n
\u5e38\u89c1\u95ee\u9898\u3002<\/p>\n
\u5982\u679c\u6709\u4eba\u6267\u884c ‘new PDO(…)’\uff0c\u4ed6\u4eec\u4f1a\u5f97\u5230 ‘PdoPgsql’ \u8fd4\u56de\u5417\uff1f<\/h3>\n
\u95ee\uff1a\u5728\u5199\u4e0a new PDO(…) \u65f6\uff0c\u6709\u53ef\u80fd\u8fd4\u56de PdoPgsql \u5417\uff1f<\/p>\n
A: \u6ca1\u6709\u3002 .)<\/p>\n
\u672a\u6765\u7684\u8303\u56f4<\/h2>\n
\u8be5\u9879\u76ee\u662f\u5173\u4e8e\u672a\u6765\u5c55\u671b\u7684\uff0c\u5e76\u4e14\u4e0d\u5305\u542b\u5728\u6b64RFC\u4e2d\u3002<\/p>\n
\u4f55\u65f6\u5728PDO\u4e0a\u5f03\u7528\u65e7\u51fd\u6570\u3002<\/h3>\n
\u672a\u6765\u5e94\u8be5\u5220\u9664\u73b0\u6709\u7684PDO::sqliteCreateFunction\u7b49\u9a71\u52a8\u7279\u5b9a\u7684\u65b9\u6cd5\uff0c\u4f46\u4f18\u5148\u7ea7\u4e0d\u9ad8\u3002
\n\u901a\u8fc7\u5220\u9664\u4e0d\u540c\u9a71\u52a8\u7a0b\u5e8f\u53ef\u80fd\u5b58\u5728\u6216\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6574\u7406PDO\u7684\u4ee3\u7801\u3002
\n\u867d\u7136\u5bf9\u7528\u6237\u6765\u8bf4\u6ca1\u6709\u592a\u591a\u597d\u5904\uff0c\u4f46\u53ef\u80fd\u80fd\u51cf\u8f7b\u7ef4\u62a4\u7684\u590d\u6742\u6027\u3002<\/p>\n
\u63f4\u5f15\u6807\u8bc6\u7b26<\/h3>\n
\u5728\u8ba8\u8bba\u4e2d\uff0c\u6709\u4eba\u6307\u51fa\u76ee\u524d\u7684PDO\u6ca1\u6709\u5bf9\u6807\u8bc6\u7b26\u8fdb\u884c\u8f6c\u4e49\u7684\u529f\u80fd\u3002
\n\u81f3\u5c11\u5728Postgres\u4e2d\u6709\u8f6c\u4e49\u6807\u8bc6\u7b26\u7684\u529f\u80fd\uff0c\u6240\u4ee5\u5411PDO\u7c7b\u6dfb\u52a0\u8f6c\u4e49\u65b9\u6cd5\u662f\u503c\u5f97\u7684\u3002
\n\u8fd9\u4e2a\u529f\u80fd\u9700\u8981\u7531\u5bf9\u5404\u79cd\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u90fd\u719f\u6089\u7684\u4eba\u6765\u5b8c\u6210\u3002<\/p>\n
SQLite\u5e38\u91cf<\/h3>\n
SQLite3\u62e1\u5c55\u4e2d\u5b58\u5728\u4e09\u4e2a\u5f53\u524d\u672a\u5b9a\u4e49\u7684\u5e38\u91cf\u3002<\/p>\n
\u30fbSQLITE_DIRECTONLY – \u4ec5SQLite\u76f4\u63a5\u8bbf\u95ee
\n\u30fbSQLITE_INNOCUOUS – SQLite\u65e0\u98ce\u9669
\n\u30fbSQLITE_SUBTYPE – SQLite\u5b50\u7c7b\u578b<\/p>\n
\u8fd9\u4e2aRFC\u4e0d\u5728\u8ba8\u8bba\u8303\u56f4\u5185\u3002<\/p>\n
PdoSqlite \u805a\u5408\u3001\u6392\u5e8f\u89c4\u5219\u548c\u51fd\u6570<\/h3>\n
PdoSqlite\u7684\u4ee3\u7801\u662f\u4eceSQLite3\u6269\u5c55\u4e2d\u590d\u5236\u8fc7\u6765\u7684\u3002
\n\u5728SQLite\u4e2d\uff0c\u5b58\u5728\u4e00\u4e2a\u8868\u793a\u6570\u636e\u5b57\u7b26\u7f16\u7801\u7684\u6807\u5fd7\uff0c\u4f46\u5728SQLite3\u6269\u5c55\u4e2d\uff0cSQLITE_UTF8\u88ab\u786c\u7f16\u7801\u4e86\u3002<\/p>\n
\u6211\u8ba4\u4e3a\u53ef\u4ee5\u5c06SQLITE_UTF16\u3001SQLITE_UTF16BE\u3001SQLITE_UTF16LE\u3001SQLITE_UTF16_ALIGNED\u4ee5\u53caSQLITE_UTF8\u7b49\u6807\u5fd7\u516c\u5f00\u4e14\u53ef\u4ee5\u8fdb\u884c\u6307\u5b9a\uff0c\u4f46\u672cRFC\u4e0d\u6d89\u53ca\u6b64\u5185\u5bb9\u3002<\/p>\n
\u63d0\u8bae\u7684\u6295\u7968\u9009\u62e9<\/h2>\n
\u6295\u7968\u7684\u65f6\u95f4\u4e3a2023\u5e747\u67083\u65e5\u81f32023\u5e747\u670817\u65e5\uff0c\u6295\u7968\u901a\u8fc7\u7684\u8d5e\u6210\u7968\u5fc5\u987b\u8fbe\u5230\u4e09\u5206\u4e4b\u4e8c\u65b9\u53ef\u751f\u6548\u3002<\/p>\n
\u6b64RFC\u88ab\u5168\u4f53\u6210\u5458\u4ee523\u7968\u8d5e\u6210\u30010\u7968\u53cd\u5bf9\u7684\u7ed3\u679c\u6279\u51c6\u901a\u8fc7\u3002<\/p>\n
\u8865\u4e01\u548c\u6d4b\u8bd5<\/h2>\n
https:\/\/github.com\/php\/php-src\/pull\/8707 \u7684\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u672c\u5730\u5316\u7ffb\u8bd1\uff08\u4ec5\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff09\uff1a<\/p>\n
\u53c2\u8003\u8d44\u6599<\/h2>\n
\u66fe\u7ecf\u5b58\u5728\u8fc7\u4e00\u4e2a\u6dfb\u52a0SQLite openBlob\u529f\u80fd\u7684RFC\uff0c\u4f46\u906d\u5230\u4e86\u62d2\u7edd\u3002
\n\u5728\u90a3\u4e2a\u65f6\u5019\uff0c\u6709\u4e00\u79cd\u611f\u89c9\u8ba4\u4e3a\u5b50\u7c7b\u7684\u65b9\u6cd5\u66f4\u6709\u53ef\u80fd\u88ab\u63a5\u53d7\u3002<\/p>\n
\u5bf9\u6b64\u7684\u60f3\u6cd5\u6216\u611f\u89e6<\/h1>\n
\u4e3a\u4ec0\u4e48\u4ee5\u524d\u6ca1\u6709\u8fd9\u4e2a\u5b58\u5728\u5462\uff1f\u8fd9\u4f3c\u4e4e\u975e\u5e38\u65b9\u4fbf\u3002
\n\u7531\u4e8e\u6211\u4e3b\u8981\u4f7f\u7528MySQL\uff0c\u6240\u4ee5\u5e76\u6ca1\u6709\u592a\u591aMySQL\u7279\u6709\u7684\u529f\u80fd\uff0c\u4f46\u5bf9\u4e8e\u5e0c\u671b\u4f7f\u7528Postgres\u6216SQLite\u7684\u7279\u5b9a\u529f\u80fd\u7684\u4eba\u6765\u8bf4\uff0c\u8fd9\u5c06\u662f\u4e2a\u597d\u6d88\u606f\u3002
\n\u6b64\u5916\uff0c\u5982\u679c\u672a\u6765\u51fa\u73b0\u652f\u6301Cassandra\u6216Redis\u7b49NoSQL\u7684\u9a71\u52a8\u7a0b\u5e8f\uff0c\u90a3\u53ef\u80fd\u4f1a\u66f4\u52a0\u6709\u8da3\u3002<\/p>\n
\u5c31\u7b97\u6570\u636e\u5e93\u7684\u79fb\u690d\u5f88\u56f0\u96be\uff0c\u4f46\u5b9e\u9645\u4e0a\u6570\u636e\u5e93\u7684\u79fb\u690d\u5e76\u4e0d\u7ecf\u5e38\u53d1\u751f\uff0c\u6240\u4ee5\u65e0\u8bba\u5982\u4f55\u4e5f\u65e0\u6240\u8c13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
PDO\u662f\u4e00\u4e2a\u901a\u7528\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002 \/\/ MySQL $pdo = new PDO(‘mysql:host=l […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50463","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u3010PHP8.3\u3011PDO\u5c06\u63d0\u4f9b\u6570\u636e\u5e93\u7279\u5b9a\u7684\u529f\u80fd - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php8-3\u3011pdo\u5c06\u63d0\u4f9b\u6570\u636e\u5e93\u7279\u5b9a\u7684\u529f\u80fd\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010PHP8.3\u3011PDO\u5c06\u63d0\u4f9b\u6570\u636e\u5e93\u7279\u5b9a\u7684\u529f\u80fd\" \/>\n<meta property=\"og:description\" content=\"PDO\u662f\u4e00\u4e2a\u901a\u7528\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002 \/\/ MySQL $pdo = new PDO('mysql:host=l […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php8-3\u3011pdo\u5c06\u63d0\u4f9b\u6570\u636e\u5e93\u7279\u5b9a\u7684\u529f\u80fd\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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