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WooCommerce System Requirements: What Your Server Needs in 2026

A practical 2026 checklist for WooCommerce hosting: recommended PHP and database versions, WordPress and HTTPS baselines, memory limits, extension compatibility, upgrade steps and host questions.
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For a WooCommerce store in 2026, select hosting with PHP 8.3 or newer, MySQL 8.0 or newer or MariaDB 10.6 or newer, HTTPS, and at least 256 MB for both PHP and WordPress memory limits. WooCommerce still runs on PHP 7.4 and later today, but PHP 7.4 and 8.0 no longer receive upstream security support, and WooCommerce 11.6 is planned to require PHP 8.1 or newer in February 2027. Test the upgrade on a staging copy before changing a live store.

WooCommerce requirements at a glance

The published minimums are lower than the versions you should choose for a new or actively maintained store. Minimum compatibility can keep an old installation running, but recommended versions provide a safer upgrade path and current security fixes.

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Component Recommended for 2026 Documented or current minimum Important qualification
PHP PHP 8.3 or newer PHP 7.4 or newer WooCommerce 11.6 is planned to require PHP 8.1 or newer in February 2027.
Database MySQL 8.0 or newer, or MariaDB 10.6 or newer MySQL 5.6 or MariaDB 10.1 WooCommerce reports testing through MySQL 9.0 and MariaDB 11.5.
WordPress server baseline Current WordPress release compatible with your WooCommerce version PHP 7.4+, MySQL 5.7+ or MariaDB 10.3+, HTTPS Use the stricter WooCommerce database recommendation when provisioning a new server.
PHP memory limit At least 256 MB Below 256 MB can trigger failures The limit is set by PHP and may be separate from WordPress memory.
WordPress memory limit At least 256 MB Below 256 MB can cause slow or failed operations Both limits must be high enough; increasing only one may not solve an error.
HTTPS Valid certificate with automatic renewal HTTPS support Required for secure customer sessions and payment integrations.

These are software requirements, not a promise that every store will perform well on the same hardware. Catalog size, simultaneous shoppers, order volume, imports, extensions and background jobs determine the capacity you actually need.

PHP versions: what to install now

PHP 8.3 is the practical target

WooCommerce recommends PHP 8.3 or greater. A host should let you select that version per site, change it without a support ticket and move to newer supported releases later. Confirm that the control panel, command-line tools and scheduled jobs use the same PHP version as web requests; a mismatch can leave checkout on one version while maintenance tasks run on another.

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PHP 8.1 is the near-term floor

WooCommerce has announced that version 11.6, planned for February 2027, will require PHP 8.1 or newer. Stores on PHP 7.4 or 8.0 can continue updating through WooCommerce 11.5 while they prepare, but remaining on 11.5 is a temporary bridge. WooCommerce generally ships other fixes only for the latest release, so delaying the PHP migration can eventually leave the store without normal maintenance.

Why PHP 7.4 still appears to work

Current WooCommerce releases remain compatible with PHP 7.4 and later, which explains why an older store may report no immediate problem. PHP 7.4 reached end of life in November 2022, and PHP 7.4 and 8.0 no longer receive upstream security support. Compatibility today therefore does not make those versions a sound 2026 hosting choice.

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WooCommerce reports approximately 7% of tracked stores on PHP 7.4 and 2% on PHP 8.0 in 2026. Among stores that updated WooCommerce within the previous year, the combined figure is closer to 6%. These numbers come from opt-in tracking, so they describe the reporting sample rather than every WooCommerce installation.

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Database versions and server settings

MySQL and MariaDB recommendations

For a new deployment, use MySQL 8.0 or newer or MariaDB 10.6 or newer. WooCommerce documents lower compatibility floors of MySQL 5.6 and MariaDB 10.1, but those versions are legacy choices with a shorter support horizon. WooCommerce reports testing up to MySQL 9.0 and MariaDB 11.5; a host offering a version outside those ranges should explain its compatibility and upgrade policy before you commit.

Database family WooCommerce documented minimum Recommended 2026 version Versions WooCommerce reports testing
MySQL 5.6 8.0 or newer Up to 9.0
MariaDB 10.1 10.6 or newer Up to 11.5

WordPress and WooCommerce compatibility

WordPress’s server baseline lists PHP 7.4 or newer, MySQL 5.7 or newer or MariaDB 10.3 or newer, and HTTPS support. The WordPress and WooCommerce floors are not identical: for example, WooCommerce documents MySQL 5.6 as a minimum while WordPress lists MySQL 5.7. Align the WordPress version with the compatibility information for the WooCommerce release you install, and keep both applications current rather than targeting the lowest number.

Memory: PHP limit, WordPress limit and actual RAM

Set both application limits to at least 256 MB

WooCommerce says that when either the PHP memory limit or the WordPress memory limit is below 256 MB, raising the limit may resolve slow performance, failed operations and the “Allowed memory size exhausted” error. Its documented WordPress example sets WP_MEMORY_LIMIT to 256M. PHP’s memory_limit may also need to be raised in the hosting panel, php.ini or the permitted per-directory configuration.

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Check the effective values rather than assuming a configuration change worked. A host can impose a maximum that overrides a WordPress setting, and the front-end PHP limit can differ from the limit used by command-line scripts or scheduled tasks. WooCommerce Status shows the values that the store is actually receiving.

Memory limits are not the server’s total RAM

A 256 MB PHP limit does not mean the server has only 256 MB of RAM, nor does it guarantee that a process can use that amount without contention. Multiple PHP workers, the database server, the web server, object caching and operating-system services all consume memory. The WordPress hosting handbook gives 512 MB or more as guidance for higher-resource sites, including WooCommerce. Treat that as workload guidance, not a universal hardware specification or a guarantee of performance.

Extensions, themes and integrations can change the answer

Core version compatibility cannot certify a complete store. Payment gateways, shipping and tax services, inventory synchronisation, subscriptions, analytics, themes, scheduled jobs and custom code all run on top of WooCommerce and may impose their own PHP or database requirements.

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In a 2026 advisory, WooCommerce says static analysis covered 1,357 marketplace extensions, with 0.22% showing potential PHP 8.1 issues. This screening is useful for identifying risk, but it does not guarantee that every extension, theme or private integration will work after a PHP upgrade. Review the vendor’s compatibility statement, update extensions on staging and test the actual workflows your business uses.

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Safe PHP and WooCommerce upgrade procedure

  1. Record the current stack. Open WooCommerce > Status and note PHP, database, WordPress and WooCommerce versions, PHP memory limit, WordPress memory limit, active theme and extensions. Save the report so you can compare it after the change.
  2. Create a restorable backup. Back up the database, media, plugins, themes and configuration. Verify that the backup can be downloaded or restored; a backup that cannot be recovered is not a rollback plan.
  3. Clone the store to staging. Use your host’s staging tool or a separate clone, protect it from search indexing and prevent test emails or payment captures from reaching customers.
  4. Move staging to PHP 8.1 at minimum. Prefer PHP 8.3 or newer when the host and your extensions support it. Change the version in the hosting control panel, then confirm the web and command-line environments use the intended version.
  5. Exercise the complete buying path. Test product pages, variable products, coupons, cart and checkout, every enabled payment method, shipping zones and rates, tax calculations, account creation, refunds and order emails. Also run imports, exports, subscriptions or other jobs that are specific to your store.
  6. Inspect logs and scheduled work. Look for PHP fatal errors, deprecation warnings that become exceptions, failed background actions and database errors. Check theme templates and custom snippets as well as extensions.
  7. Resolve incompatibilities before production. Update or replace the component causing the error, or obtain a confirmed compatible release from its maintainer. Do not disable security checks or hide errors merely to complete the test.
  8. Schedule the production change. Choose a low-order period, announce any maintenance window and retain the verified backup. Change PHP, recheck WooCommerce Status and repeat the critical checkout and payment tests on the live site.
  9. Monitor after deployment. Watch error logs, failed orders, payment callbacks, scheduled actions and resource usage. Keep the previous PHP version available only as a short rollback measure while you correct the underlying compatibility issue.

How to evaluate a WooCommerce host

Ask prospective providers for specific, written answers instead of accepting a generic statement that WordPress is supported.

  • PHP controls: Which PHP versions are available today, can each site select its own version, and how quickly are new supported versions added?
  • Database policy: Is MySQL 8.0+ or MariaDB 10.6+ available, and how are database upgrades tested, scheduled and rolled back?
  • HTTPS: Is a certificate included, does renewal happen automatically, and are all customer and administrative requests redirected to HTTPS?
  • Memory: Can you set both the PHP memory_limit and WordPress limit to at least 256 MB, and what higher limits are available for large catalogs?
  • Staging and backups: Is there one-click staging, how often are backups made, how long are they retained and can you restore individual files or the entire database?
  • Performance controls: What object and page caching is available, and can cache exclusions be configured for cart, checkout, account and other dynamic pages?
  • Scheduled jobs: How are WooCommerce scheduled actions and other cron tasks executed and monitored?
  • Migration support: Who helps when a PHP change breaks an extension, and what is the support response time during a migration?

Official WooCommerce requirements establish software floors and memory guidance, not one universal CPU, RAM, storage or traffic quota. Compare providers on these controls and on how their limits scale with your catalog, concurrent shoppers, order workload, imports and background processing.

Common requirement-related failures

“Allowed memory size exhausted”

Check both effective memory values in WooCommerce Status. Raise the PHP limit and WP_MEMORY_LIMIT to at least 256 MB if the host permits it, then identify the operation that fails. Large imports, image processing and extension tasks may need more headroom or to be split into smaller batches.

Checkout works but scheduled tasks fail

Compare the PHP version and memory available to web requests with those used by cron or command-line jobs. Confirm that scheduled actions are running, then inspect logs for an extension that is incompatible with the selected PHP release.

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The upgrade causes a blank page or fatal error

Restore the tested backup or temporarily return to the previous PHP version, using staging to reproduce the failure. Disable or update the specific extension or theme identified in the log, retest the complete purchase flow and only then repeat the production upgrade.

The host offers only legacy database versions

Ask for a supported MySQL or MariaDB upgrade path and a staging database on the target version. If the provider cannot offer MySQL 8.0+ or MariaDB 10.6+, treat that as a long-term platform risk even if the current WooCommerce release installs.

Planning for 2027 now

The February 2027 WooCommerce 11.6 PHP 8.1 requirement gives stores on PHP 7.4 or 8.0 a clear deadline. Use 2026 to inventory extensions and custom code, obtain compatible releases, move staging to PHP 8.3 where practical and document a rollback. Updating before the deadline avoids having to combine a PHP migration, a WooCommerce major-version update and an emergency checkout fix during a sales period.

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