PHP Conference Nagoya 2025

The Pdo\Odbc class

(PHP 8 >= 8.4.0)

Вступ

A PDO subclass representing a connection using the ODBC PDO driver.

Короткий огляд класу

class Pdo\Odbc extends PDO {
/* Успадковані константи */
public const int PDO::PARAM_NULL;
public const int PDO::PARAM_BOOL = 5;
public const int PDO::PARAM_INT = 1;
public const int PDO::PARAM_STR = 2;
public const int PDO::PARAM_LOB = 3;
public const int PDO::PARAM_STMT = 4;
public const int PDO::PARAM_STR_NATL;
public const int PDO::PARAM_STR_CHAR;
public const int PDO::PARAM_EVT_FREE;
public const int PDO::FETCH_DEFAULT;
public const int PDO::FETCH_LAZY;
public const int PDO::FETCH_ASSOC;
public const int PDO::FETCH_NUM;
public const int PDO::FETCH_BOTH;
public const int PDO::FETCH_OBJ;
public const int PDO::FETCH_BOUND;
public const int PDO::FETCH_COLUMN;
public const int PDO::FETCH_CLASS;
public const int PDO::FETCH_INTO;
public const int PDO::FETCH_FUNC;
public const int PDO::FETCH_GROUP;
public const int PDO::FETCH_UNIQUE;
public const int PDO::FETCH_KEY_PAIR;
public const int PDO::FETCH_NAMED;
public const int PDO::ATTR_PREFETCH;
public const int PDO::ATTR_TIMEOUT;
public const int PDO::ATTR_ERRMODE;
public const int PDO::ATTR_CASE;
public const int PDO::ATTR_CURSOR;
public const int PDO::ERRMODE_SILENT;
public const int PDO::CASE_NATURAL;
public const int PDO::CASE_LOWER;
public const int PDO::CASE_UPPER;
public const int PDO::NULL_NATURAL;
public const int PDO::NULL_TO_STRING;
public const string PDO::ERR_NONE;
public const int PDO::FETCH_ORI_NEXT;
public const int PDO::FETCH_ORI_LAST;
public const int PDO::FETCH_ORI_ABS;
public const int PDO::FETCH_ORI_REL;
public const int PDO::CURSOR_FWDONLY;
public const int PDO::CURSOR_SCROLL;
/* Константи */
public const int ATTR_ASSUME_UTF8;
public const int SQL_USE_IF_NEEDED;
public const int SQL_USE_DRIVER;
public const int SQL_USE_ODBC;
/* Успадковані методи */
public PDO::__construct(
    string $dsn,
    ?string $username = null,
    #[\SensitiveParameter] ?string $password = null,
    ?array $options = null
)
public PDO::commit(): bool
public static PDO::connect(
    string $dsn,
    ?string $username = null,
    #[\SensitiveParameter] ?string $password = null,
    ?array $options = null
): static
public PDO::exec(string $statement): int|false
public PDO::getAttribute(int $attribute): mixed
public PDO::prepare(string $query, array $options = []): PDOStatement|false
public PDO::query(string $query, ?int $fetchMode = null): PDOStatement|false
public PDO::query(string $query, ?int $fetchMode = PDO::FETCH_COLUMN, int $colno): PDOStatement|false
public PDO::query(
    string $query,
    ?int $fetchMode = PDO::FETCH_CLASS,
    string $classname,
    array $constructorArgs
): PDOStatement|false
public PDO::query(string $query, ?int $fetchMode = PDO::FETCH_INTO, object $object): PDOStatement|false
public PDO::quote(string $string, int $type = PDO::PARAM_STR): string|false
public PDO::setAttribute(int $attribute, mixed $value): bool
}

Попередньо визначені константи

Pdo\Odbc::ATTR_USE_CURSOR_LIBRARY

This option controls whether the ODBC cursor library is used. The ODBC cursor library supports some advanced ODBC features (e.g. block scrollable cursors), which may not be implemented by the driver. The following values are supported:

Pdo\Odbc::SQL_USE_IF_NEEDED
Use the ODBC cursor library when needed. This is the default.
Pdo\Odbc::SQL_USE_DRIVER
Never use the ODBC cursor library.
Pdo\Odbc::SQL_USE_ODBC
Always use the ODBC cursor library.

Pdo\Odbc::ATTR_ASSUME_UTF8
Windows only. If true, UTF-16 encoded character data (CHAR, VARCHAR and LONGVARCHAR) is converted to UTF-8 when reading from or writing data to the database. If false (the default), character encoding conversion may be done by the driver.
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