System Requirements

PHP 7.1, 7.2, 7.3, 7.4

Linux x86-64

• RHEL / CentOS 7.x and 8 via RPM packages

• Debian GNU/Linux 9.x and 10 via DEB packages

• Ubuntu Linux 18.04 (LTS) and 20.04 (LTS) via DEB packages

Linux Architecture Support

32-bit systems are not supported.

Linux Power 8

• Ubuntu Linux 18.04 (LTS) and 20.04 (LTS) via DEB packages
• RHEL 7.x and 8 via RPM packages

Windows x86 / x86-64 - PHP uses x86 only

• Windows 10
• Windows Server 2016, 2019, 2022

Windows PHP Binary Compatibility

Windows PHP 7.1 are compiled with Visual Studio 2015 / VC14, 32-bit
Windows PHP 7.2 & 7.3 are compiled with Visual Studio 2017 / VC15, 32-bit

IBM i

• V7R3 / V7R4 with latest PTFs
• V7R5 with latest PTFs

• Apache 2.4

• Nginx web server (supported on Linux only)

  • Debian / Ubuntu - Packages from the distro repositories
  • Centos / RHEL - Packages from Nginx repositories: http://nginx.org/en/linux_packages.html

• Microsoft IIS on supported Windows systems

For optimal stability and performance, only run Zend Server on a supported browser from the Supported Browser List.

Browser	Version(s)	Comments
Google Chrome (recommended)	Latest
Mozilla Firefox	Latest
Microsoft Internet Explorer	11 and above
Microsoft Edge	Latest

Other Browsers

Zend Server may run on other browsers but with unpredictable behavior.

A MySQL server version 5.6, 5.7 or 8.0 is required to run Zend Server in a clustered environment.