100+
Custom builds shipped
8+ yrs
Building & scaling sites & stores
92+
Average Google PageSpeed score
1-hr
Reply time · 60-day free warranty
Every figure is verifiable — project archive and batch PageSpeed screenshots available on request.
🔒
Secure by default

Prepared statements, input validation, OWASP-aware — no leaks, no injection.

🧪
Unit-tested & documented

Every build ships with tests and docs, not just code that runs.

⚙️
PHP 8.2+, modern OOP

Typed properties, PSR-12, Composer — no spaghetti legacy code.

🔓
100% source & access ownership

The full git repository and every credential stay yours — no lock-in, and no developer can leave you with a half-built app you cannot touch.

🎥
Your own tutorial video + docs

A recorded walkthrough and written guide for your exact site — your team edits without calling a developer.

🛡️
60-day free warranty

If anything we built breaks in the first 60 days, we fix it free — no quibbling.

⏱️
Reply within 1 business hour

Message the developer on your project and get a real answer within one business hour.

💰
Money-back on the first milestone

Not happy with the first milestone? A full refund — no hard feelings.

🔧
Affordable long-term care

We do not vanish after launch. Ongoing maintenance from just $200/mo — no hostage retainer.

🔒You pay nothing until you have seen your first working demo.  Every service, no exceptions — approve the progress, then we invoice.
Pricing

Transparent, fixed pricing

A price per deliverable, agreed before we start. No open-ended hourly, no scope creep.

01
PHP Bug Fix / Small Script
from$69
Targeted fix or a small standalone PHP script.
02
Custom PHP Application
from$599
Custom app or internal tool with clean OOP architecture.
03
REST API (build / integration)
from$199
Endpoints, authentication, and reliable webhook handlers.
04
Laravel / Symfony Feature
from$329
A new feature or module inside an existing framework app.
05
WordPress Plugin (custom)
from$169
OOP PHP plugin built to your exact business logic.
06
Legacy PHP Refactor / Upgrade
from$399
Modernize old PHP to 8.2+ and harden it for security.

Typical custom PHP application projects start from $300 — a fixed, all-in quote after a free scoping call. The prices above are per individual deliverable.

Why is a senior custom build this affordable? Because you are not paying for a middle layer.

🏢No agency overheadYou work with the developer who writes your code — not an account manager, a sales team and three markups stacked on top.
🌐Senior team, direct ratesA senior team billing at real engineering rates — not $150/hr Western agency time. Same code quality, a fraction of the price.
📋Fixed scope, no wasteA price per deliverable agreed up front — no padded timesheets, no scope-creep invoices. You pay for the build, nothing else.
Team vs Freelancer

Why a senior team beats a cheap freelancer

Same budget range — very different risk. Here is what changes when a full team owns your project instead of one person juggling ten clients.

A solo freelancer
×They go quiet. The #1 complaint — overcommitted freelancers fall behind, then disappear mid-build or months after launch.
×Single point of failure. One person gets sick, busy or takes another gig — and your project just stops. No backup.
×No process. No staging, no backups before changes, no QA or code review — bugs ship straight to your live site.
×No handover. Rarely any documentation, so the next developer has to reverse-engineer everything.
×Cheap upfront, costly later. Messy code means the next dev charges double — a $3k site can cost $8k to rescue.
×Access left open. They keep admin keys to your hosting, domain and CMS long after — and after they vanish.
Kimyang senior team
✓We answer — within 1 business hour. A team stands behind your project, so you are never left hanging.
✓No single point of failure. Design, development, SEO/GEO and QA under one roof; if one of us is out, the work continues.
✓A real process. Backups before every deploy, daily staging, a QA checklist and verification screenshots.
✓Full handover. A tutorial video and written docs for your exact site, plus a 60-day warranty.
✓Clean, standard code you own. Peer-reviewed, documented, no page builders — any developer can maintain it. No costly rescue later.
✓Your access stays yours. You hold every credential. Money-back on the first milestone, and no payment until your first demo.

🛠️ Custom PHP Website Development Services

Cheap PHP from a gig site often ships as insecure, undocumented spaghetti you can never hire anyone to maintain; a big agency buries you in account managers and markup. Our custom PHP website development services put you with a senior developer directly — secure, unit-tested, PSR-12 code you own outright, at a fixed price agreed before we start.

🧩 Custom PHP Applications

Custom web applications with custom admin panels, role-based access, dashboards, and business-specific workflows.

🔌 WordPress Plugin Development

Custom WordPress plugins following best practices — proper hooks, settings API, custom post types, and widget registration.

📡 REST APIs in PHP

RESTful API endpoints built on PHP with authentication (OAuth2/JWT), rate limiting, versioning, and full documentation.

🏗️ MVC PHP Frameworks

Clean MVC architecture using industry-standard patterns — separation of concerns, testable controllers, and maintainable models.

⚙️ Laravel / Symfony Integration

Full-stack Laravel or Symfony applications with Eloquent ORM, Artisan commands, queued jobs, and Blade/Twig templating.

📐 OOP PHP Architecture

Modern PHP 8.3+ with strict typing, enums, fibers, readonly classes, and SOLID principles for long-term maintainability.

The Engineering Standard

What professional PHP actually means

Every PHP build ships to the same engineering standard — and each line decides whether your app is secure, testable and something the next developer can safely extend.

Standard
What we deliver
Why it matters
StandardArchitecture
What we deliverObject-oriented, MVC-structured PHP following PSR standards — not procedural spaghetti.
Why it mattersA codebase that scales and that any PHP developer can read.
StandardSecurity
What we deliverPrepared statements, input validation, output escaping, CSRF and auth done right.
Why it mattersNo SQL injection or XSS holes waiting to be found.
StandardTesting
What we deliverUnit and integration tests around the logic that matters, run in CI.
Why it mattersChanges ship without breaking what already worked.
StandardVersion control
What we deliverGit from day one, code review, and a staging environment before production.
Why it mattersEvery change is traceable and reversible — no cowboy edits on live.
StandardPerformance
What we deliverQuery optimization, caching and no N+1 database calls.
Why it mattersThe app stays fast as data and traffic grow.
StandardStandards
What we deliverComposer packages, PSR-12 style, and modern PHP 8.x features.
Why it mattersA conventional codebase, not one person’s private dialect.
StandardOwnership
What we deliverClean, documented source in your repo — 100% yours.
Why it mattersNo lock-in, no license fees, no rescue job for the next developer.

🔄 Our PHP Development Process

From requirements to deployment — a structured process built for complex PHP projects.

🔍 1. Requirements & Architecture

We define the data model, API contracts, and system architecture before writing a single line of PHP.

💻 2. Build & Test

Test-driven development with PHPUnit. Every feature is covered by unit and integration tests before code review.

✅ 3. Code Review & Staging

All code passes peer review against PSR-12 standards. Staging environment mirrors production for final validation.

🚀 4. Deploy & Handover

CI/CD deployment pipeline configured, server hardened, monitoring set up, and full technical documentation delivered.

Before We Start

How to prepare for your PHP project

A little prep makes the build faster and the estimate tighter. Missing some of it? The scoping call sorts it out.

✓
Requirements or user stories

What the app must do, and who uses it — even a rough list beats a blank brief.

✓
Data model or existing DB

Your current database, a schema, or a description of the data you store.

✓
Integrations & APIs

Payment, CRM, ERP, email or third-party APIs it must talk to.

✓
Auth & roles

Who logs in and what each role can do — admin, staff, customer.

✓
Hosting & PHP version

Where it runs and which PHP version — or ask us to recommend a stack.

✓
Access

Repo, server and any existing codebase access — ready for staging.

Not sure on some of it? Start the scoping call anyway. Turning a rough idea into a technical spec is exactly what discovery is for.

⚖️ Custom PHP vs. WordPress-Only Development

Understanding when custom PHP beats a WordPress-only approach.

Feature
Custom PHP (Kimyang DEV)
WordPress Only
Business logic complexity
Custom PHP (Kimyang DEV)✅ No limits
WordPress Only❌ Plugin constraints
Performance under load
Custom PHP (Kimyang DEV)✅ Optimized queries
WordPress Only❌ WP overhead
Custom database schema
Custom PHP (Kimyang DEV)✅ Full control
WordPress Only❌ WP tables only
API-first architecture
Custom PHP (Kimyang DEV)✅ Native design
WordPress Only❌ Bolted on
CMS for content editors
Custom PHP (Kimyang DEV)❌ Custom admin needed
WordPress Only✅ Built-in
Plugin ecosystem
Custom PHP (Kimyang DEV)❌ Build from scratch
WordPress Only✅ 60,000+ plugins
Quality, Not Just Speed

Common custom PHP problems we prevent

Cheap PHP work looks fine in the demo and becomes a security and maintenance liability in production. These are the failure modes we engineer out.

The problem
Why cheap work causes it
How we prevent it
The problemSpaghetti procedural code
Why cheap work causes itLogic, HTML and SQL tangled in one file with no structure.
How we prevent itOOP + MVC so the next developer can find and change things safely.
The problemSQL injection & XSS
Why cheap work causes itRaw query strings and unescaped output built from user input.
How we prevent itPrepared statements, validation and escaping on every input and output.
The problemNo tests, silent breakage
Why cheap work causes itA change in one place quietly breaks another with no warning.
How we prevent itAutomated tests catch regressions before they reach your users.
The problemNo version control or staging
Why cheap work causes itEdits made straight on the live server with no way back.
How we prevent itGit, code review and staging — every change traceable and reversible.
The problemSlow queries at scale
Why cheap work causes itN+1 queries and missing indexes that crawl as data grows.
How we prevent itQuery optimization and caching so the app stays fast under load.
The problemNo docs, locked in
Why cheap work causes itOnly the original dev understands the code, so you cannot leave.
How we prevent itDocumented source in your repo — 100% yours, any dev can pick it up.
In Writing

What every engagement includes

These commitments apply to every project — agreed before we start, not discovered later.

1

Starting price

From $69 per deliverable, fixed and agreed up front — no retainers, no scope-creep surprises.

2

Staging-first

Nothing goes live until you review and approve it on a private staging URL.

3

Built to spec

We match your design and requirements exactly — or we fix it free.

4

Performance

A 90+ PageSpeed target and green Core Web Vitals at handover, built in from the first line of code.

5

Code ownership

Clean, commented PHP source code in a standard structure — 100% yours, no lock-in.

6

Handover

A tutorial video and written docs for your exact project, so your team runs it without a developer.

7

After launch

A 60-day free warranty on everything we built, plus optional maintenance from $200/mo.

8

Payment

You pay nothing until you have approved your first working demo, and money-back on the first milestone.

❓ Frequently Asked Questions

Common questions about custom PHP website development answered directly.

Custom PHP website development is building a web application or website with PHP code written specifically for your project — not using off-the-shelf templates or generic configurations. It involves custom database schemas, custom business logic, tailored admin interfaces, REST or GraphQL APIs, and precise integration with third-party services.

Absolutely. PHP 8.3+ is fast, modern, and still powers over 75% of all websites on the internet. With JIT compilation, fibers for async-style code, enums, readonly properties, named arguments, and first-class callable syntax, PHP in 2026 is a highly capable language that continues to evolve rapidly.

Choose WordPress plugin development when you need to add or extend functionality on an existing WordPress site and want to use the WordPress admin UI, user system, and post types. Choose standalone custom PHP when you need an application with complex business logic, a fully custom database schema, or when WordPress overhead (database queries, hooks, global state) would hurt performance.

Custom PHP pricing depends on scope. Simple scripts and small fixes start at $50, while more involved custom work — plugins, REST APIs, or app features — typically runs $200–$1,000. Larger applications are quoted fixed-price after a free technical scoping call.

No. AI tools speed up PHP development by generating boilerplate, suggesting fixes, and drafting tests, but they do not replace the judgment a developer applies to architecture, security, performance, and complex business logic. In practice AI makes experienced PHP developers faster, not redundant - custom applications still need a human to design the data model, secure the code, and integrate systems correctly.

PHP developer hourly rates vary widely by region and seniority - roughly $15 to $40 per hour offshore and $80 to $150+ per hour in North America or Western Europe. For most custom projects a fixed-price quote is more predictable than hourly billing, which is why we scope each project up front and quote a flat price after a free technical call.

A WordPress developer works mainly within the WordPress ecosystem - themes, plugins, hooks, and the WordPress admin. A PHP developer writes raw PHP for any kind of application, including frameworks like Laravel or Symfony and fully custom backends with no CMS at all. Every WordPress developer uses PHP, but a custom PHP developer can build systems that live entirely outside WordPress.

Yes. The server language itself has no direct effect on SEO - search engines crawl the rendered HTML, not the PHP behind it. What matters is clean URLs, fast server response times, correct status codes, structured data, and mobile-friendly markup. A well-built custom PHP site can be made just as SEO-friendly as any other stack, and often loads faster because there is no plugin bloat.

Yes. WordPress core, themes, and plugins are all written in PHP, and WordPress runs on PHP 7.4+ (PHP 8.1+ recommended in 2026). The block editor and many modern features add JavaScript on the front end, but the underlying platform is still PHP - which is why custom PHP skills remain directly relevant to extending, securing, and optimizing WordPress sites.

Because you get the whole repository, not a black box. We write OOP PHP to WordPress and PSR standards, document it, and add tests for the business logic — then hand over the full git history so any PHP developer can pick it up. You approve a working demo before you pay, there is money-back on the first milestone, and every credential stays yours, so you are never left with a half-built app you cannot touch.

🔗 Related WordPress Services

Complete your WordPress and PHP development stack with these services.

📈 SEO (Search Engine Optimization)

Technical SEO, on-page, schema, and architecture built to rank.

View service

🤖 GEO (Generative Engine Optimization)

Get cited by ChatGPT, Claude, Perplexity, and AI Overviews.

View service

🎯 Google Ads Management

Paid search built for real leads, not just clicks.

View service

🧰 Custom WordPress Development

Full-service custom WordPress builds and custom solutions.

View service

🎨 Custom WordPress Theme Development

100% custom WordPress themes built to exact specifications.

View service

🖌️ Figma to WordPress

Figma components converted to production WordPress themes.

View service

Get a Free Quote

Discuss your PHP project requirements with our team today.

Get a Free Quote

💬 What Clients Say

“With a migration, our biggest fear was data loss and ranking drops. Their standardized backup and post-launch verification process is rock-solid, and the XML-RPC deployment is fully traceable. Paired with AI content and local GEO optimization, organic inquiries climbed steadily — with no extra charge for post-launch monitoring.”

— Overseas Market Lead, home & living cross-border brand

“Even without coding knowledge, I could clearly follow the delivery standards. Backup docs are saved automatically before any site change, and screenshots verify a clean launch afterward. AI-built copy and SEO layout are done together, so I do not need separate optimization and copywriting vendors — a real time-saver.”

— Store Ops Specialist, niche accessories cross-border seller

“We had switched web agencies twice, and every migration cost us rankings and left slow, clunky ad landing pages. This team backs everything up and deploys to a standard process — we came through migration without losing any traffic, Ads cost-per-conversion dropped 22%, and the whole WordPress optimization package was far better value than anyone else we quoted.”

— Marketing Director, cross-border home & living DTC brand

✉️ Request a Free Quote

Tell us about your project — a senior developer reviews it personally and replies within 1 business day.

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Get in Touch

Email

[email protected]

WhatsAppWhatsApp: 17701575807

WeChatWeChat: 17701575807

Location

No. 6 Huanhu East, Yushan Town, Changshu City, Jiangsu Province, China 215553