Why Choose Zend Server?

Zend Server is a PHP application server trusted by global innovators, including Fortune 100 companies, with easy-to-use tools and comprehensive services that:

Improve Debugging

From your development browser, replay sessions and get insights about pages and queries.

Streamline Deployments

Automate workflows, ensure consistent configurations, and avoid service disruptions.

Speed Performance

Identify bottlenecks and manage load balancing, job queues, caching, and session clustering.

Boost Security

Built-in support for EOL PHP, including automated PHP runtime updates, bug fixes, and security patches.

Unleash Scale

Simplify clustering for fast, consistent performance — and avoid unnecessary server instances.

Simplify Integrations

Save time with ready-to-go API extensions and more than 75 PHP application plugins.

Explore Zend Server’s Features

Zend Server includes a certified PHP stack. Based on the Zend Server edition you choose, you can take advantage of:

  • ZendPHP versions 7.2 and newer.
  • PHP support including 5-year code support and 24x7x365 options.
  • Zend Server support including 24x7x365 options.
  • Automated PHP updates and patches, included with Zend Server updates.

Learn more about our history working with PHP.

Zend server running PHP application

With Z-Ray, you can easily debug mobile and web services by:

  • Seeing a high-level view of your sites’ metrics.
  • Analyzing detailed data about PHP page requests and database queries.
  • Monitoring events such as PHP-errors, high memory usage, and slow request execution.
  • Recording and analyzing specific users’ sessions without affecting server performance or exposing sensitive data.
  • Using the Z-Ray extensibility API to support custom apps and frameworks.

Learn more about Z-Ray.

Zend: ZRay Zend Framework

URL Insights captures detailed reports about PHP page traffic and performance, including metrics indicating: 

  • The most popular URLs.
  • Requests with the longest server-processing times.
  • Requests with the longest user-response times. 
  • Detailed insights about specific URLs.
Zend 2019 0 URL Insight Change

Code Tracing records and plays back the execution history of your PHP applications, so you can:

  • Gain deep insight into step-by-step PHP execution and flows via dashboards.
  • Automatically record and monitor event workflows.
  • Manually record an application’s execution flow to streamline troubleshooting.
  • View the call tree for a selected event or trace file.
Zend: Code Tracing

Job Queue provides offline asynchronous processing of PHP tasks and job-management tools, so you can: 

  • Delay execution of “heavy” parts of web applications that originate from users’ web interactions, to help improve response times and reduce web server load.
  • Track batch jobs, including their status, execution time, and output.
  • Implement different schedule strategies based on time, job priorities, and dependencies.
  • Gather and improve run-time statistics.
Zend Server JQPulse Job Queue

With the Zend Server Deployment tool, you can:

  • Streamline and automate application deployments on servers, clusters, and specific cluster nodes.
  • Minimize failures and ensure consistency across development, staging, and production environments by using deployment packages with your code, scripts, dependencies, metadata, and installation parameters. 
  • Deploy apps manually from Zend Server or using a custom continuous-delivery cycle built with Zend Server APIs. 
  • Update applications without requiring a web server restart to maintain 100% uptime. 
Zend: Deployment

Session Clustering provides fault-tolerant, high-performing, session-storage tools for PHP clusters, so you can: 

  • Improve linear scalability and simplify cluster setup. 
  • Avoid setting up servers in addition to your front-end web servers. 
  • Improve load balancing and performance. 
  • Boost system availability by ensuring session continuity — even if an outage occurs.
Zend: Session Clustering

With Data Cache, you can boost app performance by: 

  • Caching the entire output of PHP scripts or script elements for specified durations.
  • Caching different types of data, including strings, arrays, objects, and sensitive information such as credit card numbers or addresses.
  • Caching items in shared memory, on disk, or in namespaces.
  • Collecting cache reports and using analytics to add and correct rules that improve caching.
Release Zend 2019 0 Page Cache

You can seamlessly extend the capabilities of Zend Server so that it interoperates with other software solutions by taking advantage of: 

  • Plugins for more than 75 PHP-based products including WordPress, Drupal, Magento, Joomla, Zend Framework, Apigility, Laravel, Symfony, Doctrine2, Redis, OPcache, MariaDB, and LoS Modules.
  • API extensions for creating your own plugins.
Zend: Plugins

Zend Server includes a comprehensive set of application performance monitoring features that help to give users a complete view of how the application and server are performing during development or production. 

  • Application-Level Monitoring - Get quick insight into performance, resource utilization, system health and usage statistics for your app and system via intuitive dashboards. 
  • URL-Level Monitoring - Create detailed reports for the most important PHP pages located on your Web server — complete with data on slow requests, high memory consumption, and more.
  • Event Monitoring - With event monitoring features in Zend Server, you get early detection of PHP script problems. Event monitoring is configurable for monitoring errors, failing functions, slow scripts, database errors, and more
Image showing Zend Server Application Performance Monitoring Dashboard

Understand Your Zend Server Options

Zend Server Editions

You can choose from development and production editions of our PHP server. Here are the key differences:

 Production BronzeProduction SilverProduction GoldDevelopment StandardDevelopment Gold

Production Environments


Typical Use

Single-server, production appsMulti-server production apps24x7x365, business-critical appsIndividual developersDevelopment teams


2-day response on business days via web tickets6-hour response on business days via phone2-hour response 24x7x365 via phone2-day response on business days via web tickets1-day response on business days via web tickets and phone

Long-Term Support



View the Comparison

Zend Server Platform Choices

In addition to running Zend Server on Linux and Windows, you can also run our PHP server on IBM i and take advantage of ready-to-go Zend Server cloud instances.

Zend Server on IBM i

You can use Zend Server to develop and deploy PHP apps for the IBM i platform. For more information, please visit the Zend Server IBM i page.

Zend Server Public Cloud Instances

You can deploy Zend Server on premises and in the public cloud as software-as-a-service (SaaS). For more information about Zend Server SaaS options, please visit the Zend Cloud Solutions page.

Supported Versions

  • Long Term Support Edition
    • 5 years of product support and bugfixes
    • LTS editions of PHP in each version (see PHP LTS timeline for details)
  • Zend Server 2019: PHP 7.2, 7.3
  • Zend Server 2021: PHP 7.2, 7.3, 7.4

Looking for PHP 8 Support?

Check out ZendPHP >>

Zend Server Supported Versions Chart: Zend Server 2019 until July 2024, Zend Server 2021 until May 2026.

Zend Server Trial

Start your free 30-day trial to see how you can increase PHP app performance, security, and scalability with Zend Server.

PHP Long-Term Support

Get long-term support for your EOL PHP.

Request Pricing

Request a custom quote for Zend Server.