Concrete5 Upgrade & PHP Fix for a Broken Business Website

The Problem

A mid-sized service business approached me with a critical issue.
Their Concrete5 website (version 5.6) had completely broken after their hosting provider upgraded PHP.

They were facing:

White screen errors across key pages

Inability to log into the dashboard

Broken contact forms (no leads coming in)

Outdated add-ons causing conflicts

👉 Their website was essentially offline from a business perspective.

The Challenge

This wasn’t a simple fix.

The website had:

Legacy Concrete5 code (5.6 structure)
Multiple outdated third-party add-ons
No recent backups
Hosting environment already upgraded (PHP 8+)

👉 A direct upgrade would have completely broken the site permanently.

The Solution (Concrete5 Specialist Approach)

As a Concrete5 specialist, I followed a structured recovery process:

Step 1: Full Site Backup & Recovery Setup

Secured existing files and database
Created a staging environment

Step 2: PHP Compatibility Fixes

Refactored deprecated PHP functions
Fixed fatal errors caused by version mismatch

Step 3: Incremental Version Upgrade

Migrated from 5.6 → intermediate stable version → latest Concrete CMS
Ensured theme and block compatibility at each stage

Step 4: Add-on & Functionality Fixes

Replaced outdated add-ons
Fixed contact forms and user interactions

Step 5: Performance & SEO Improvements

Cleaned database
Improved page speed
Fixed indexing and metadata issues

The Result

Within a short timeframe, the website was fully restored and improved.

Website fully functional on latest PHP version
Successful upgrade to latest Concrete CMS
Contact forms restored (lead flow resumed)
Improved page speed and stability
Zero data loss during migration

👉 The client went from a non-working website to a stable, lead-generating platform

What This Means for You

If your Concrete5 website is:

Outdated
Breaking after updates
Or difficult to maintain

👉 This is exactly the kind of problem a Concrete5 specialist solves every day.