The new PECL package pdo_sqlsrv-5.6.0 (stable) has been released at 
https://pecl.php.net/.

Release notes
-------------
[Added]
- Added support for PHP 7.3
- Added support for Linux SUSE 15, Ubuntu 18.10 and mac OS Mojave
- Feature Request [#415](https://github.com/Microsoft/msphpsql/pull/886) - new 
options at connection and statement levels for both drivers for formatting 
decimal values in the fetched results
- Added support for Azure AD Access Token (in Linux / macOS this requires [MS 
ODBC Driver 
17+](https://docs.microsoft.com/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server)
 and [unixODBC](http://www.unixodbc.org/) 2.3.6+)
- Added support for Authentication with Azure Active Directory using Managed 
Identity for Azure Resources (requires [MS ODBC Driver 
17.3+](https://docs.microsoft.com/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server))
- Feature Request [#842](https://github.com/Microsoft/msphpsql/pull/842) - new 
PDO_STMT_OPTION_FETCHES_DATETIME_TYPE flag for pdo_sqlsrv to return datetime as 
objects
[Removed]
- Dropped support for Linux Ubuntu 17.10 and mac OS El Capitan
- Dropped support for PHP 7.0 - [Version 
5.3](https://docs.microsoft.com/sql/connect/php/system-requirements-for-the-php-sql-driver?view=sql-server-2017)
 is the last to support PHP 7.0.
[Fixed]
- Issue [#434](https://github.com/Microsoft/msphpsql/issues/434) - To avoid 
possible crashes, before freeing stmt in the destructor check if its dbh driver 
data is NULL
- Pull Request [#833](https://github.com/Microsoft/msphpsql/pull/833) - 
Streamlined the error handling to remove a potential cause of crash
- Pull Request [#836](https://github.com/Microsoft/msphpsql/pull/836) - 
Modified the config files to enable Spectre Mitigations (use /Qspectre switch) 
for PHP 7.2 (see related Request 
[#878](https://github.com/Microsoft/msphpsql/pull/878))
- Pull Request [#854](https://github.com/Microsoft/msphpsql/pull/854) - Clear 
Azure Key Vault data after connection attributes are successfully set or when 
exception is thrown
- Pull Request [#855](https://github.com/Microsoft/msphpsql/pull/855) - 
Improved performance by saving meta data before fetching and skipping 
unnecessary conversions for numeric data
- Pull Request [#865](https://github.com/Microsoft/msphpsql/pull/865) - 
Corrected the way SQLPutData and SQLParamData are used when sending stream data 
to the server
- Pull Request [#878](https://github.com/Microsoft/msphpsql/pull/878) - 
Modified the config files to enable Spectre Mitigations for PHP 7.1 (see 
related Request [#836](https://github.com/Microsoft/msphpsql/pull/836))
- Pull Request [#891](https://github.com/Microsoft/msphpsql/pull/891) - 
Improved performance of Unicode conversions
- Pull Request [#892](https://github.com/Microsoft/msphpsql/pull/892) - Removed 
warning messages while compiling extensions
- Pull Request [#904](https://github.com/Microsoft/msphpsql/pull/904) - Enabled 
compiling extensions statically into PHP
- Pull Request [#907](https://github.com/Microsoft/msphpsql/pull/907) - 
Initialized output param buffer when allocating extra space
- Pull Request [#919](https://github.com/Microsoft/msphpsql/pull/919) - 
Initialized a boolean variable before passing it by reference into a function 
that will modify its value
[Limitations]
- No support for inout / output params when using sql_variant type
- No support for inout / output params when formatting decimal values
- In Linux and macOS, setlocale() only takes effect if it is invoked before the 
first connection. Attempting to set the locale after connecting will not work
- Always Encrypted requires [MS ODBC Driver 
17+](https://docs.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server?view=sql-server-2017)
  - Only Windows Certificate Store and Azure Key Vault are supported. Custom 
Keystores are not yet supported
  - Issue [#716](https://github.com/Microsoft/msphpsql/issues/716) - With 
Always Encrypted enabled, named parameters in subqueries are not supported
  - [Always Encrypted 
limitations](https://docs.microsoft.com/en-us/sql/connect/php/using-always-encrypted-php-drivers?view=sql-server-2017#limitations-of-the-php-drivers-when-using-always-encrypted)
[Known Issues]
- Connection pooling on Linux or macOS is not recommended with 
[unixODBC](http://www.unixodbc.org/) < 2.3.7
- When pooling is enabled in Linux or macOS
  - unixODBC <= 2.3.4 (Linux and macOS) might not return proper diagnostic 
information, such as error messages, warnings and informative messages
  - due to this unixODBC bug, fetch large data (such as xml, binary) as streams 
as a workaround. See the examples 
[here](https://github.com/Microsoft/msphpsql/wiki/Features#pooling)
- With ColumnEncryption enabled, calling stored procedure with XML parameter 
does not work (Issue [#674](https://github.com/Microsoft/msphpsql/issues/674))
- In SUSE 15, Azure Active Directory connections may fail if PHP is installed 
from packages (Issue [#934](https://github.com/Microsoft/msphpsql/issues/934))

Package Info
-------------
The Microsoft Drivers for PHP for SQL Server are PHP extensions that allow for 
the reading and writing of SQL Server data from within PHP scripts. The SQLSRV 
extension provides a procedural interface while the PDO_SQLSRV extension 
implements PDO for accessing data in all editions of SQL Server 2008 R2 and 
later (including Azure SQL DB). These drivers rely on the Microsoft ODBC Driver 
for SQL Server to handle the low-level communication with SQL Server.
*This package contains only the PDO_SQLSRV driver.*

Related Links
-------------
Package home: https://pecl.php.net/package/pdo_sqlsrv
   Changelog: https://pecl.php.net/package-changelog.php?package=pdo_sqlsrv
    Download: https://pecl.php.net/get/pdo_sqlsrv-5.6.0.tgz

Authors
-------------
Jay Kint <jayk...@microsoft.com> (lead)
Meet Bhagdev <me...@microsoft.com> (lead)
Marie Barwin (lead)
Jenny Tam (lead)


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