mysqli クラス

(PHP 5, PHP 7, PHP 8)

はじめに

PHP と MySQL データベースの間の接続を表します。

クラス概要

class mysqli {

/* プロパティ */

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;

/* メソッド */

public __construct(
    ?string $hostname = null,
    ?string $username = null,
    #[\SensitiveParameter] ?string $password = null,
    ?string $database = null,
    ?int $port = null,
    ?string $socket = null
)

public autocommit(bool $enable): bool

public begin_transaction(int $flags = 0, ?string $name = null): bool

public change_user(string $username, #[\SensitiveParameter] string $password, ?string $database): bool

public character_set_name(): string

public close(): true

public commit(int $flags = 0, ?string $name = null): bool

public connect(
    ?string $hostname = null,
    ?string $username = null,
    #[\SensitiveParameter] ?string $password = null,
    ?string $database = null,
    ?int $port = null,
    ?string $socket = null
): bool

public debug(string $options): true

public dump_debug_info(): bool

public execute_query(string $query, ?array $params = null): mysqli_result|bool

public get_charset(): ?object

public get_client_info(): string

public get_connection_stats(): array

public get_server_info(): string

public get_warnings(): mysqli_warning|false

public init(): ?bool

public kill(int $process_id): bool

public more_results(): bool

public multi_query(string $query): bool

public next_result(): bool

public options(int $option, string|int $value): bool

public ping(): bool

public static poll(
    ?array &$read,
    ?array &$error,
    array &$reject,
    int $seconds,
    int $microseconds = 0
): int|false

public prepare(string $query): mysqli_stmt|false

public query(string $query, int $result_mode = MYSQLI_STORE_RESULT): mysqli_result|bool

public 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 real_escape_string(string $string): string

public real_query(string $query): bool

public reap_async_query(): mysqli_result|bool

public refresh(int $flags): bool

public release_savepoint(string $name): bool

public rollback(int $flags = 0, ?string $name = null): bool

public savepoint(string $name): bool

public select_db(string $database): bool

public set_charset(string $charset): bool

public ssl_set(
    ?string $key,
    ?string $certificate,
    ?string $ca_certificate,
    ?string $ca_path,
    ?string $cipher_algos
): true

public stat(): string|false

public stmt_init(): mysqli_stmt|false

public store_result(int $mode = 0): mysqli_result|false

public thread_safe(): bool

public use_result(): mysqli_result|false

}