You will get PHP 5 to PHP 8 Migration | Legacy PHP System Upgrade Expert


Project details
Upgrade Your Legacy PHP System Safely — Without Breaking Your Business
I specialize in PHP 5 to PHP 8 migration, fixing compatibility issues, and stabilizing legacy systems for long-term performance.
Legacy systems often break during migration due to deprecated functions, outdated libraries, and poor structure. I carefully analyze your existing codebase and upgrade it step-by-step without disrupting your business operations.
Whether your system is procedural, partially structured, or complex enterprise-level, I ensure a smooth and reliable transition.
✔ PHP 5 to PHP 8 migration
✔ Deprecated function replacement
✔ Code refactoring & cleanup
✔ Database compatibility updates
✔ Performance optimization
✔ Error fixing & stability improvements
Built for long-term maintainability — not temporary fixes.
I specialize in PHP 5 to PHP 8 migration, fixing compatibility issues, and stabilizing legacy systems for long-term performance.
Legacy systems often break during migration due to deprecated functions, outdated libraries, and poor structure. I carefully analyze your existing codebase and upgrade it step-by-step without disrupting your business operations.
Whether your system is procedural, partially structured, or complex enterprise-level, I ensure a smooth and reliable transition.
✔ PHP 5 to PHP 8 migration
✔ Deprecated function replacement
✔ Code refactoring & cleanup
✔ Database compatibility updates
✔ Performance optimization
✔ Error fixing & stability improvements
Built for long-term maintainability — not temporary fixes.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$400
|
Standard
$1,200
|
Advanced
$3,000
|
|---|---|---|---|
| Delivery Time | 5 days | 12 days | 25 days |
Number of Revisions | 2 | 5 | Unlimited |
Number of Pages | 3 | 10 | 50 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
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RM
Robert M.
Aug 15, 2024
consolidate website security
Muhammad is excellent to work with, he is my go-to expert for everything web related.
RM
Robert M.
Oct 30, 2023
Create website by adapting existing template
Amazing quality, speed and responsiveness. Muhammad is also a very nice person to work with. He is my go to professional for web related development tasks, could not be happier with his work.
SM
Sohel M.
Jul 21, 2023
Provide a Responsive CRUD template
Job well done. Exceptional professionalism and knowledge in web-based data driven application development. Will hire again for upcoming projects
RM
Robert M.
Jun 8, 2023
Make site GDPR complient
Excellent work, as always.
RA
Raed A.
Apr 26, 2023
Make A website for Eid Sign
Perfect
About Muhammad
Senior PHP & MySQL Developer | Core PHP | Enterprise Web Applications
Karachi, Pakistan - 3:11 pm local time
I specialize in Core PHP development for enterprise systems and MIS/ERP platforms where performance, stability, and long-term maintainability are critical.
I have designed and delivered complete systems for organizations like the College of Physicians and Surgeons Pakistan (CPSP) , a leading institution in higher medical education in Pakistan, transforming operations into fully digital, paperless environments.
What I Build
* Enterprise Management Information Systems (MIS / ERP)
* Nationwide Online Examination Platforms
* Large-scale Online Application Systems
* Secure role-based portals
* Assessment and MCQ systems
These systems handle thousands of users, large datasets, and real-world operational complexity — not prototypes or short-term solutions.
What I Can Help You With
* Custom Web Application Development
* Legacy PHP System Maintenance & Modernization
* PHP 5 to PHP 8 Migration & Refactoring
* Backend Architecture & Database Design
* Performance Optimization & Debugging
* Secure Admin Panels & Role-Based Systems
Enterprise Experience
I have designed and developed large-scale, production systems for the College of Physicians and Surgeons Pakistan (CPSP), supporting nationwide operations in medical education.
Management Information System (MIS / ERP)
* Built a centralized enterprise system transforming operations into a paperless environment
* Supports 500+ organizational users with high data integrity and workflow automation
* Core system integrating multiple departments and processes
Online Examination System
* Nationwide platform handling 2000+ concurrent users during peak exam sessions
* Covers 150+ specialties with secure and scalable architecture
* Reduced paper usage by over 95% and streamlined examination processes
Online Applications System
* Manages 30+ application types with thousands of submissions monthly
* Fully integrated with MIS for centralized data and processing
* Handles high-volume workflows with optimized performance
eLogbook System
* Centralized training management system for medical professionals
* Tracks large-scale trainee and supervisor data with structured workflows
* Replaced traditional manual logbooks with a digital platform
My Approach
I focus on clean architecture, optimized queries, and building stable systems that can run reliably for years — not quick fixes or short-term solutions.
If you are looking for a developer who understands real-world systems and delivers scalable, maintainable applications, I'd be happy to discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Muhammad can start the project.
Delivery time starts when Muhammad receives requirements from you.
Muhammad works on your project following the steps below.
Revisions may occur after the delivery date.
Discussion
Analysis and requirements gathering after discussion with you.
Working
I will work on the project as per your requirements.