The mysqli class

    (PHP 5, PHP 7, PHP 8)

    Introduction

    Represents a connection between PHP and a MySQL database.

    Class synopsis

    class mysqli {
    /* Properties */
    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;
    /* Methods */
    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
    }

    Table of Contents

    Improve This Page

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top