I will fix PHP bugs, script errors, and custom PHP backend


Gig Summary
About this gig
Is a broken script, fatal 500 error, or database malfunction costing you visitors and sales?
A single backend issue can take down critical business operations. As an experienced web developer, I troubleshoot, repair, and optimize your custom PHP web applications so your platform runs smoothly, securely, and without downtime.
What I Can Do For You:
- Bug Fixing: Resolve 500 internal server errors, syntax bugs, and broken logic
- Version Compatibility: Upgrade older codebases to modern 8.x standards safely
- Database & MySQL: Repair broken queries, data fetching errors, and connection issues
- API Integrations: Setup and repair Stripe, PayPal, shipping tools, and webhooks
- Custom Backend Logic: Form handling, user sessions, authentication, and email alerts
- Server & Migration: cPanel adjustments, Apache/Nginx configuration, and domain transfers
Why Work With Me?
- Clean, secure, and well-commented code
- Fast turnaround for urgent breakdowns
- Clear communication throughout the process
Please message me with your error details and site access before placing an order to confirm the scope.
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Get to know Jehanzaib K
Web Developer , Data expert
- FromPakistan
- Member sinceJun 2022
- Last delivery1 year
Languages
Urdu, English
My Portfolio
FAQ
What do you need to start working on my issue?
Please provide a clear description of the issue (screenshots or error logs help) along with access to your hosting/cPanel, FTP, or Git repository.
Can you update scripts running on outdated versions?
Yes, I can review legacy code, replace deprecated functions, and make your application fully compatible with modern server environments.
Will you backup my files before making changes?
Yes. I always recommend or perform a backup of the affected files before editing any code to ensure total safety.
16 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
P 
pastorjohng

United Kingdom
This Professional delivered a 'service quality' outcome regarding the project awarded to him. He was proficient in professionalism, level of cooperation and delivery time. I will certainly work with him continually.
$50
Price
4 days
Duration
Helpful?U uprabhu

Spain
Ongoing collaborationHe was great to work with and met my expectations, he helped me a lot and made sure to explain very well. Would recommend.
$50-$100
Price
1 day
Duration
Helpful?U uprabhu

Spain
Ongoing collaborationHe was really great to work with, made sure to understand everything about the project and what I required help with. He was able to provide me assistance with set up and explanation of code. It was a great experience getting help from him. I recommend him 10 times out of 10.
$50-$100
Price
1 day
Duration
Helpful?R rivaaan

India
Jehanzaib K did an OUTSTANDING job with website maintenance—professional, bug-free, and clearly an expert at coding! 🙌 His quick responsiveness and proactive communication made the entire process smooth and efficient. Highly recommend working with him!
$50-$100
Price
3 days
Duration
Helpful?N 
naorassr

Israel
Ongoing collaborationawesome guy
$100-$200
Price
1 day
Duration
Helpful?
16 reviews for this Gig
| (16) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
P 
pastorjohng

United Kingdom
This Professional delivered a 'service quality' outcome regarding the project awarded to him. He was proficient in professionalism, level of cooperation and delivery time. I will certainly work with him continually.
$50
Price
4 days
Duration
Helpful?U uprabhu

Spain
Ongoing collaborationHe was great to work with and met my expectations, he helped me a lot and made sure to explain very well. Would recommend.
$50-$100
Price
1 day
Duration
Helpful?U uprabhu

Spain
Ongoing collaborationHe was really great to work with, made sure to understand everything about the project and what I required help with. He was able to provide me assistance with set up and explanation of code. It was a great experience getting help from him. I recommend him 10 times out of 10.
$50-$100
Price
1 day
Duration
Helpful?R rivaaan

India
Jehanzaib K did an OUTSTANDING job with website maintenance—professional, bug-free, and clearly an expert at coding! 🙌 His quick responsiveness and proactive communication made the entire process smooth and efficient. Highly recommend working with him!
$50-$100
Price
3 days
Duration
Helpful?N 
naorassr

Israel
Ongoing collaborationawesome guy
$100-$200
Price
1 day
Duration
Helpful?
