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    mysqli 类

    (PHP 5, PHP 7, PHP 8)

    简介

    代表 PHP 与 MySQL 数据库之间的连接。

    类摘要

    class mysqli {
    /* 属性 */
    public readonly int|string $affected_rows;
    public readonly string $client_info;
    public readonly int $client_version;
    public readonly int $connect_errno;
    public readonly ?string $connect_error;
    public readonly int $errno;
    public readonly string $error;
    public readonly array $error_list;
    public readonly int $field_count;
    public readonly string $host_info;
    public readonly ?string $info;
    public readonly int|string $insert_id;
    public readonly string $server_info;
    public readonly int $server_version;
    public readonly string $sqlstate;
    public readonly int $protocol_version;
    public readonly int $thread_id;
    public readonly int $warning_count;
    /* 方法 */
    public function __construct(
        ?string $hostname = null,
        ?string $username = null,
        #[\SensitiveParameter] ?string $password = null,
        ?string $database = null,
        ?int $port = null,
        ?string $socket = null
    )
    public function autocommit(bool $enable): bool
    public function begin_transaction(int $flags = 0, ?string $name = null): bool
    public function change_user(string $username, #[\SensitiveParameter] string $password, ?string $database): bool
    public function character_set_name(): string
    public function close(): true
    public function commit(int $flags = 0, ?string $name = null): bool
    public function connect(
        ?string $hostname = null,
        ?string $username = null,
        #[\SensitiveParameter] ?string $password = null,
        ?string $database = null,
        ?int $port = null,
        ?string $socket = null
    ): bool
    public function debug(string $options): true
    public function dump_debug_info(): bool
    public function execute_query(string $query, ?array $params = null): mysqli_result|bool
    public function get_charset(): ?object
    #[\Deprecated]
    public function get_client_info(): string
    public function get_connection_stats(): array
    public function get_server_info(): string
    public function get_warnings(): mysqli_warning|false
    #[\Deprecated]
    public function init(): ?bool
    #[\Deprecated]
    public function kill(int $process_id): bool
    public function more_results(): bool
    public function multi_query(string $query): bool
    public function next_result(): bool
    public function options(int $option, string|int $value): bool
    #[\Deprecated]
    public function ping(): bool
    public static function poll(
        ?array &$read,
        ?array &$error,
        array &$reject,
        int $seconds,
        int $microseconds = 0
    ): int|false
    public function prepare(string $query): mysqli_stmt|false
    public function query(string $query, int $result_mode = MYSQLI_STORE_RESULT): mysqli_result|bool
    public function real_connect(
        ?string $hostname = null,
        ?string $username = null,
        #[\SensitiveParameter] ?string $password = null,
        ?string $database = null,
        ?int $port = null,
        ?string $socket = null,
        int $flags = 0
    ): bool
    public function real_escape_string(string $string): string
    public function real_query(string $query): bool
    public function reap_async_query(): mysqli_result|bool
    #[\Deprecated]
    public function refresh(int $flags): bool
    public function release_savepoint(string $name): bool
    public function rollback(int $flags = 0, ?string $name = null): bool
    public function savepoint(string $name): bool
    public function select_db(string $database): bool
    public function set_charset(string $charset): bool
    public function ssl_set(
        ?string $key,
        ?string $certificate,
        ?string $ca_certificate,
        ?string $ca_path,
        ?string $cipher_algos
    ): true
    public function stat(): string|false
    public function stmt_init(): mysqli_stmt|false
    public function store_result(int $mode = 0): mysqli_result|false
    public function thread_safe(): bool
    public function use_result(): mysqli_result|false
    }

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