# The Pdo\Dblib class

(PHP 8 >= 8.4.0)

## Introduction

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

## Class synopsis

namespace Pdo;
class Dblib extends PDO {
/* Inherited constants */
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_INPUT_OUTPUT;
public const int PDO::PARAM_STR_NATL;
public const int PDO::PARAM_STR_CHAR;
public const int PDO::PARAM_EVT_ALLOC;
public const int PDO::PARAM_EVT_FREE;
public const int PDO::PARAM_EVT_EXEC_PRE;
public const int PDO::PARAM_EVT_EXEC_POST;
public const int PDO::PARAM_EVT_FETCH_PRE;
public const int PDO::PARAM_EVT_FETCH_POST;
public const int PDO::PARAM_EVT_NORMALIZE;
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_CLASSTYPE;
public const int PDO::FETCH_SERIALIZE;
public const int PDO::FETCH_PROPS_LATE;
public const int PDO::FETCH_NAMED;
public const int PDO::ATTR_AUTOCOMMIT;
public const int PDO::ATTR_PREFETCH;
public const int PDO::ATTR_TIMEOUT;
public const int PDO::ATTR_ERRMODE;
public const int PDO::ATTR_SERVER_VERSION;
public const int PDO::ATTR_CLIENT_VERSION;
public const int PDO::ATTR_SERVER_INFO;
public const int PDO::ATTR_CONNECTION_STATUS;
public const int PDO::ATTR_CASE;
public const int PDO::ATTR_CURSOR_NAME;
public const int PDO::ATTR_CURSOR;
public const int PDO::ATTR_ORACLE_NULLS;
public const int PDO::ATTR_PERSISTENT;
public const int PDO::ATTR_STATEMENT_CLASS;
public const int PDO::ATTR_FETCH_TABLE_NAMES;
public const int PDO::ATTR_FETCH_CATALOG_NAMES;
public const int PDO::ATTR_DRIVER_NAME;
public const int PDO::ATTR_STRINGIFY_FETCHES;
public const int PDO::ATTR_MAX_COLUMN_LEN;
public const int PDO::ATTR_EMULATE_PREPARES;
public const int PDO::ATTR_DEFAULT_FETCH_MODE;
public const int PDO::ATTR_DEFAULT_STR_PARAM;
public const int PDO::ERRMODE_SILENT;
public const int PDO::ERRMODE_WARNING;
public const int PDO::ERRMODE_EXCEPTION;
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_EMPTY_STRING;
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_PRIOR;
public const int PDO::FETCH_ORI_FIRST;
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;
/* Constants */
public const int Pdo\Dblib::ATTR_CONNECTION_TIMEOUT;
public const int Pdo\Dblib::ATTR_QUERY_TIMEOUT;
public const int Pdo\Dblib::ATTR_STRINGIFY_UNIQUEIDENTIFIER;
public const int Pdo\Dblib::ATTR_VERSION;
public const int Pdo\Dblib::ATTR_TDS_VERSION;
public const int Pdo\Dblib::ATTR_SKIP_EMPTY_ROWSETS;
public const int Pdo\Dblib::ATTR_DATETIME_CONVERT;
/* Inherited methods */
public PDO::__construct(
string `$dsn`,
?string `$username` = `null`,
#[\SensitiveParameter] ?string `$password` = `null`,
?array `$options` = `null`
)
public PDO::beginTransaction(): bool
public PDO::commit(): bool
public static PDO::connect(
string `$dsn`,
?string `$username` = `null`,
#[\SensitiveParameter] ?string `$password` = `null`,
?array `$options` = `null`
): static
public PDO::errorCode(): ?string
public PDO::errorInfo(): array
public PDO::exec(string `$statement`): int|false
public PDO::getAttribute(int `$attribute`): mixed
public static PDO::getAvailableDrivers(): array
public PDO::inTransaction(): bool
public PDO::lastInsertId(?string `$name` = `null`): string|false
public PDO::prepare(string `$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 `$type` = `PDO::PARAM_STR`): string|false
public PDO::rollBack(): bool
public PDO::setAttribute(int `$attribute`, mixed `$value`): bool
}

## Predefined Constants

`Pdo\Dblib::ATTR_CONNECTION_TIMEOUT`
`Pdo\Dblib::ATTR_QUERY_TIMEOUT`
`Pdo\Dblib::ATTR_STRINGIFY_UNIQUEIDENTIFIER`
`Pdo\Dblib::ATTR_VERSION`
`Pdo\Dblib::ATTR_TDS_VERSION`
`Pdo\Dblib::ATTR_SKIP_EMPTY_ROWSETS`
`Pdo\Dblib::ATTR_DATETIME_CONVERT`

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