Supported Operating Systems:

• Linux x86, x86-64
• Solaris Sparc V8, 9, 10
• Solaris x86 v9, 10
• FreeBSD x86 v5.x, 6.x
• Windows x86 2000, XP, 2003
• OS X (Intel & Power) 10.1-10.4 (32 bit only)
  
• AIX pSeries v5

Supported Web Servers:

• Apache 1.3.x
• Apache 2.0.x (Prefork mode only)
• Apache 2.2.x (Prefork mode only)
• IIS 5, 6

Supported PHP versions:

• 4.2.x up to 4.4.x (4.3.x and higher for Mac OS X)
  
• 5.0.x, 5.1.x, 5.2.x