This part lists extensions not intended for the production use - they are either too "old" (deprecated) or "new" (experimental).
These extensions have been deprecated usually in the favor of some other extensions.
Mimetype
Object overloading
The behaviour of these extensions - including the names of their functions and anything else documented about these extensions - may change without notice in a future release of PHP. Use these extensions at your own risk.
bcompiler
DB++
.NET
haru
Hash
ImageMagick
Java
Ming
Ncurses
Newt
Lotus Notes
Object Aggregation
Paradox
MS SQL Server (PDO)
Firebird/Interbase (PDO)
Oracle (PDO)
PS
qtdom
SCA
SDO-DAS-Relational
Sphinx
Swish
vpopmail
W32api
XML-RPC