Urgent fixes available

PHP Upgrade

Recover when a PHP upgrade has broken your WordPress site.

We identify the plugin, theme, or custom code that is incompatible with the new PHP version and restore the site with a safe upgrade path.

from £49.99

Fix my PHP upgrade issue

What to look for

PHP upgrade broke my WordPress site: symptoms we see daily

01
White screen or critical error immediately after PHP 8.x switch.
02
Deprecated function warnings became fatal errors overnight.
03
WooCommerce or page builder plugins no longer compatible.
04
Host email says PHP 7.4 reached end of life and auto-upgraded.
05
You cannot access wp-admin to deactivate the offending plugin.

How we help

How we recover from a PHP upgrade failure

When PHP upgrades break WordPress, the fix is either temporarily lowering PHP, updating the plugin or theme causing fatals, or patching custom code for new PHP syntax. If PHP upgrade broke my WordPress site overnight, you are not alone, as hosts migrate versions without testing your stack.

PHP upgrade broke my WordPress site recovery starts from £49.99 with BugShield. You chat with a BugShield developer and see the exact price before paying.

Pricing: Clear before work begins
Support: Direct developer chat
Access: Encrypted Password Vault

Fix my PHP upgrade issue

How It Works

Recover when a PHP upgrade broke your WordPress site

Share host and error details

Tell us the PHP version, error messages, and whether the whole site or admin only is affected.

Isolate incompatible code

We identify the plugin, theme, or snippet that fails on the new PHP version and confirm the quote.

Update or stabilise

Code is updated, replaced, or PHP is tuned so the site runs on a supported version without errors.

Why PHP upgrades break WordPress sites

A host can move a site to a newer PHP version when an older branch reaches end of support. PHP 8.0 and 8.1 are already outside official security support. Choose a supported version that your WordPress installation, theme and plugins can run, then test that combination on staging. WordPress recommends PHP 8.3 or greater; check the PHP support schedule before choosing a target.

An incompatible plugin or theme can cause a white screen, a critical error, or a failure limited to one feature after the PHP change.

Deprecated functions removed in PHP 8.x
Plugins not updated for years hitting fatal errors
Theme code using old mysql_* or create_function()
WooCommerce or page builder extensions lagging behind PHP
Automatic host PHP migration without site testing

Recovering when PHP upgrade broke my WordPress site

If PHP upgrade broke my WordPress site overnight, developers check error logs for the exact PHP fatal error, identify the offending plugin or theme file, and either update the extension or apply a compatibility fix.

If an immediate downgrade is available, that restores service while a proper update path is planned.

BugShield PHP upgrade recovery

PHP compatibility fixes start from £49.99 with a confirmed quote. We restore site functionality on your host's required PHP version and verify critical pages and shop flows work.

For ongoing protection against update breakage, Shield Pro includes unlimited fixes from £199/month.

Use a downgrade only as a recovery step

Returning to the previous PHP version can bring the site online while the incompatible component is identified. It should be paired with a plan to move back to a supported version.

Find the incompatible component

The server log can identify the plugin, theme or custom file involved in the error. We check whether a supported update exists before changing code or replacing the component.

Retest on the required PHP version

A page loading once is not enough. Admin actions, forms, background tasks, and store journeys should run on the target PHP version without the original errors.

Recovery after a PHP change has a defined outcome

This service investigates a site that broke after the hosting PHP version changed. We identify the incompatible plugin, theme or custom code, agree the repair and check the affected pages on the intended supported PHP version.

A temporary rollback is a recovery decision with your host, not a long-term compatibility fix. A planned PHP upgrade needs a separate compatibility review and test scope. Start with the critical error guide if you are gathering evidence.

Evidence of the work

How BugShield verifies the result.

Emergency work starts by preserving useful evidence and defining what safe recovery means. The site is checked beyond the first visible symptom before normal use resumes.

See how an unavailable WordPress site was recovered

01

Build an incident timeline

Record when the problem began, what visitors see, recent changes, and whether sales, access, data, or security are affected.
02

Check every affected layer

Review the relevant logs, files, database records, users, credentials, DNS, and hosting state instead of treating the visible symptom in isolation.
03

Confirm a safe recovery

Test the public site, wp-admin, and the important journey that failed, then verify that warnings, redirects, malware behaviour, or server errors are gone.

FAQ

My WordPress PHP upgrade broke my site: FAQs

Should I roll PHP back to 7.4?

Only as a short-term bridge. We aim to make your stack work on supported PHP so you are not stuck on end-of-life versions.

Will WooCommerce work after a PHP upgrade?

Recovery depends on the incompatible code and available supported versions. We check the affected checkout journey after the agreed PHP repair.

Can maintenance prevent PHP upgrade surprises?

Shield plans include monitoring and included fixes. We can update plugins before your host forces PHP changes.

Why did upgrading PHP break my WordPress site?

Older plugins and themes use PHP functions removed in newer versions. PHP 8.x in particular breaks legacy code that worked on PHP 7.4.

Can I downgrade PHP to fix my site?

Most hosts let you switch PHP versions in the control panel. Downgrading is a valid short-term fix while incompatible code is updated or replaced.

My host upgraded PHP without warning. Can you help?

Yes. We identify which plugin or theme is incompatible, update or replace it, and verify the site runs on the required PHP version.

How do I prevent PHP upgrades breaking WordPress?

Shield Pro includes controlled updates and monitoring. Testing on staging before PHP version changes on production avoids surprise outages.

Can the site stay on the older PHP version?

A temporary downgrade can restore service, but unsupported PHP should not be the permanent answer. We identify what must change before the supported version is enabled again.

What access is needed after a PHP upgrade failure?

Hosting access is important because PHP versions and logs are managed there. SFTP and WordPress access may also be needed to update or repair incompatible code.

How do you test PHP compatibility after the repair?

We check public pages, wp-admin, forms, scheduled tasks, and checkout where relevant on the intended PHP version, then review the logs for remaining warnings or errors.

Helpful guides

Ready to fix your WordPress site?

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