SQLSRV PHP for SQL Server for is not a valid Win32 application

Question

Here is my setup

• Windows Server 2008 R2 64 bit
• Apache 2.4.4 64 bit
• PHP 5.4.15 32 bit (64 bit is still experimental), thread safe, VC9 compiler

Answer 1

Sqlsrv requires php x86. This message appears when php is 64 bit architecture.