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PHP engineering, current versions only

PHP Development Servicesfor applications that must keep working

PHP development services cover everything involved in building and running software on PHP: custom web applications and portals, SaaS products, e-commerce, WordPress and WooCommerce builds, APIs and integrations, upgrades of old codebases, performance work, security hardening and long-term maintenance.

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Read it as a buyer’s guide: which PHP versions are still supported, which framework fits which job, what changes the price, how a PHP 5 or 7 upgrade is run, and where PHP is the wrong tool.

  • 7+Years in digital marketing
  • 120+Brands served
  • 55+Team members
  • 250+Projects delivered
  • 100+Certifications held

Why The Adroit

  • Quoted after discovery, not from a rate card

    Cost depends on scope, not on the language, so we do not publish a rate card. A price is quoted after discovery, with commercial terms set out in the proposal.

  • Current, supported PHP only

    New builds target PHP 8.4 or 8.5. PHP 5 and 7 applications are moved to a supported 8.x version in controlled steps, tests first.

  • Security built in, not added at the end

    We map the OWASP Top 10 risk areas to specific controls and check them during build and before launch. This is engineering practice, not a certification claim.

  • The same gates before every release

    A change reaches production only after the same automated gates every time. That makes upgrades and features routine instead of risky.

  • We say where PHP is the wrong tool

    PHP is a strong default for web applications, CMS sites and online stores, and weaker for real-time and data-science-first products.

  • Demos along the way, a monthly report once live

    Projects run through discovery, demos at the end of each iteration and, once live, a monthly report.

What we build

  • Custom web applications and portals

    Customer, dealer and partner portals, internal back-offices and workflow systems, built around your roles, approvals and reporting.

    All nine services
  • SaaS and subscription products

    Multi-tenant platforms with plans, usage limits, invoicing and onboarding, using Laravel or Symfony queues, scheduling and billing integrations.

    Architecture patterns
  • E-commerce and marketplaces

    WooCommerce, Magento and custom carts, B2B ordering with price lists, multi-vendor marketplaces, and payment, shipping and ERP connections.

    Web development services
  • CMS, WordPress and WooCommerce

    Custom themes and plugins, editorial workflows and headless WordPress.

    WordPress development services
  • Legacy modernisation and upgrades

    PHP 5 and 7 applications moved to a supported 8.x version in controlled steps, tests first.

    How we upgrade
  • Performance and security hardening

    Profiling, query tuning, caching, dependency audits and OWASP-mapped fixes for applications that have slowed down or started to worry someone.

    Security controls

How we work

Seven steps in four groups, each with something you can hold us to. Depth scales with project size.

  1. Discover and design

    We talk to the people who will use and pay for the system and map goals, users, constraints and existing systems. Framework, hosting, data model, integrations and security model are decided while changes are cheap.

  2. Prototype and build

    Wireframes and a clickable prototype let you react before building. Short, peer-reviewed iterations are each shown to you on staging at the end.

  3. Test, harden and launch

    Automated tests, an OWASP-mapped checklist, performance and acceptance testing. Scripted release with a rollback plan, data migration and a walkthrough for your team.

  4. Support and improve

    Updates, patching, fixes and enhancements, summarised in a monthly report.

Head office in Navi Mumbai, teams in three more cities

The Adroit's head office is in Navi Mumbai, with teams in Mumbai, Bangalore, Delhi, and we work with clients in any city remotely.

Each page below applies this page's standards to one market's typical projects. The engineering is the same everywhere; pick the closest industry or contact us.

Talk to a PHP engineer

Awards and Recognition

Digital Agency Network — Verified AgencyTop Clutch Web Design Company Government IndiaTop Clutch Wix Web Designers India 2026
In short

PHP development services are the design, build, upgrade and maintenance of web applications, APIs, online stores and CMS sites written in PHP, the server-side language used by about 70% of websites whose server language is known (W3Techs, checked Oct 2026). The Adroit builds on supported PHP 8.x releases with Laravel, Symfony, WordPress and WooCommerce. Head office is in Navi Mumbai, with teams in Mumbai, Bangalore, Delhi.

What is included

What do PHP development services include?

Nine kinds of work cover most PHP engagements, and real projects usually combine two or three, such as a portal that needs an integration layer. The wider website context sits in our web development services; this page covers the PHP engineering underneath.

01

Custom web applications and portals

Customer, dealer and partner portals, internal back-offices and workflow systems, built around your roles, approvals and reporting.

Typical deliverables: Data model, role matrix, admin panel, audit trail

02

SaaS and subscription products

Multi-tenant platforms with plans, usage limits, invoicing and onboarding, using Laravel or Symfony queues, scheduling and billing integrations.

Typical deliverables: Tenancy design, billing hooks, usage metering

03

E-commerce and marketplaces

WooCommerce, Magento and custom carts, B2B ordering with price lists, multi-vendor marketplaces, and payment, shipping and ERP connections.

Typical deliverables: Catalogue model, checkout, order sync

04

CMS, WordPress and WooCommerce

Custom themes and plugins, editorial workflows and headless WordPress. See our WordPress development services.

Typical deliverables: Theme or plugin code, editor roles, migration plan

05

REST and GraphQL APIs

Versioned, documented APIs for mobile apps, partners and single-page front ends, with authentication and rate limiting.

Typical deliverables: OpenAPI spec, auth scheme, API test suite

06

Integrations and automation

Payment gateways, ERP and accounting, CRM, shipping and messaging, built so a failed third-party call retries instead of losing data.

Typical deliverables: Integration map, retry and alert rules

07

Legacy modernisation and upgrades

PHP 5 and 7 applications moved to a supported 8.x version in controlled steps, tests first. See legacy upgrades.

Typical deliverables: Audit report, upgrade plan, test net

08

Performance and security hardening

Profiling, query tuning, caching, dependency audits and OWASP-mapped fixes for applications that have slowed down or started to worry someone.

Typical deliverables: Findings report, fixes, measurements

09

Maintenance and support

Framework and PHP updates, patching, monitoring, fixes and small enhancements, summarised in a monthly report.

Typical deliverables: Update log, monthly report, backlog

Nine PHP services in three groupsA hub labelled Your PHP project connects to three groups: build (custom applications, SaaS, e-commerce, CMS and WordPress), connect (APIs and integrations) and keep healthy (upgrades, performance and security, maintenance).Your PHPprojectBUILD 01–04Portals, SaaS, e-commerce,CMS and WordPress buildsCONNECT 05–06REST and GraphQL APIs,integrations and automationKEEP HEALTHY 07–09Upgrades, performance, security,maintenance and support
Nine services, three jobs. Real projects usually combine two or three, such as a portal that needs an integration layer. Numbers match the nine tiles above.
Engagement models and cost

How much do PHP development services cost, and which engagement model fits?

Cost depends on scope, not on the language: two “PHP portals” can differ many times over in effort, so we do not publish a rate card. A price is quoted after discovery, with commercial terms set out in the proposal. Three models cover almost every engagement.

Fixed-scope project

A defined deliverable at an agreed price and timeline, with acceptance criteria in the proposal.

  • Scope is clear and a budget or date depends on one number
  • Requirements are still emerging; changes go through change requests agreed in the proposal

Time and material

You pay for effort spent, in iterations, re-prioritising as you learn.

  • The product is evolving, such as an MVP, and someone decides priorities each iteration
  • Finance needs a fixed total; ask for a capped first phase

Dedicated team

A team assigned to your roadmap monthly, working as an extension of yours.

  • A long backlog, ongoing releases and a wish for continuity
  • Only a few weeks of work, or nobody to prioritise it
Which engagement model fitsA rough map of the three engagement models by how settled the scope is and how long the work runs. Fixed-scope project suits a clear scope and a defined deliverable. Time and material suits an evolving product. A dedicated team suits a long backlog and ongoing releases.ONGOING ROADMAPDEFINED DELIVERABLEDedicated teamlong backlog, continuityTime and materialevolving product, MVPFixed-scope projectclear scope, one priceScope still emergingScope clearIllustrative placement, not a scale
Pick by how settled the scope is. Fixed scope when the requirements are clear and one number matters; time and material when the product is evolving; a dedicated team when the backlog is long and continuity counts. Illustrative placement; the three cards above give the cautions.

What changes the price?

These factors explain most of the gap between a modest estimate and a large one. Answer them up front and the quote is faster and tighter.

Cost driverKeeps effort lowerPushes effort higher
Scope clarityWritten requirements, one decision-makerIdeas forming, many opinions
Custom business logicStandard CRUD and contentPricing rules, approval chains, calculations
Roles and permissionsOne admin, one public userMany roles, per-record permissions
IntegrationsNone, or one documented APISeveral systems, two-way sync
Data migrationFresh start or clean exportYears of inconsistent data
Design and UXExisting themeCustom interaction, accessibility targets, multiple languages
Security and compliancePublic contentPayments, personal data, audit trails
Scale and performanceModest users and dataTraffic spikes, heavy reporting
Testing depthBasic checks, manual acceptanceHigh coverage, browser tests
Hosting and DevOpsManaged hostContainers, several environments
Timeline pressureFlexible dateHard deadline
After launchOccasional fixesOngoing roadmap, monitoring, upgrades

How long does it take?

Typical industry ranges, indicative and scope-dependent, not commitments; our proposal sets the plan after discovery.

Kind of projectTypical range (indicative)
Custom WordPress theme marketing siteCommonly 4 to 8 weeks
WooCommerce store with standard catalogue and paymentsCommonly 6 to 12 weeks
Focused MVP web applicationCommonly 8 to 14 weeks
Business portal with roles, workflows and a few integrationsCommonly 3 to 6 months
PHP version upgrade of a mid-size applicationOften 4 to 12 weeks, driven by test coverage and dependencies
Large platform with many integrations and data migrationOften 6 months or more, delivered in phases

Phasing controls cost and risk: launch a smaller first release, learn from real use, then fund the next phase.

Industries

Which industries use PHP development services?

The same building blocks, authentication, payments, reporting and integrations, recur across sectors. These nine are where we most often see PHP chosen. For technical SEO on a PHP site, see SEO services.

E-commerce and retail

Stores, B2B ordering, marketplaces, order and stock sync.

Finance and insurance

Customer portals, claims workflows, reconciliation, audit trails.

Healthcare and wellness

Appointments, patient portals, report delivery, role-based access.

Education and training

Learning portals, admissions and fee workflows, certificates.

Media and publishing

Editorial platforms, subscriptions, high-traffic delivery.

Logistics and manufacturing

Dealer portals, inventory, ERP integration, barcode flows.

Real estate and property

Listing platforms, lead capture, CRM sync.

SaaS and start-ups

Multi-tenant products, billing, API platforms, MVPs.

Services and B2B

Quote and booking systems, client portals, internal tools.

Want this for your business? Talk to a PHP engineer

Questions

FAQs

PHP development services are the planning, building, upgrading and maintenance of web software written in PHP. That includes custom web applications and portals, SaaS products, online stores, WordPress and WooCommerce sites, REST and GraphQL APIs, third-party integrations, legacy upgrades, performance tuning and security hardening. The Adroit delivers them on supported PHP 8.x versions, with a head office in Navi Mumbai and teams in Mumbai, Bangalore, Delhi.

Choose by the shape of the problem. WordPress or Drupal suit content-led sites run by editors. Laravel suits most custom applications, SaaS products and APIs, with queues, scheduling and authentication built in. Symfony suits complex, long-lived or multi-team systems and offers LTS releases. WooCommerce covers most small and mid-size stores. The framework matrix on this page compares twelve options; we confirm the choice in discovery.

The price depends on scope, not on the language, so we quote after discovery rather than publishing rates. The main drivers are how clear the requirements are, custom business logic, user roles, the number and quality of integrations, data migration, security and compliance needs, expected scale, testing depth and the support you want after launch. The cost table on this page shows what moves each driver.

Typical industry ranges are a custom WordPress marketing site in 4 to 8 weeks, a focused MVP web application in 8 to 14 weeks, and a business portal with roles, workflows and several integrations in 3 to 6 months. These are indicative and depend on scope, content readiness and feedback speed. Our proposal sets the real plan after discovery; phasing into smaller releases usually shortens time to first launch.

We map the OWASP Top 10 risk areas to concrete controls: prepared statements, output escaping, strict access checks on every route, modern password hashing, TLS, security headers, rate limiting and audit logging. Dependencies are checked with composer audit, secrets stay out of source control, and versions are tracked against their support dates. This is engineering practice, not a certification claim.

Yes, when the application is built for it. PHP requests are stateless, so you scale out by adding application servers behind a load balancer. The usual bottlenecks are the database, missing caches and slow work done inside web requests, not the language. We fix those with indexing, Redis caching, OPcache tuning, queues and a CDN, then load-test the expected peak in staging.

Yes. We begin with a code and infrastructure review covering the PHP version, framework, dependencies, test coverage, hosting and known defects, then report what is healthy, risky and first to fix. Maintenance covers PHP and framework updates, patching, monitoring and fixes, with a monthly report. Where tests are missing, adding them around critical flows comes first.

Use fixed scope when requirements are clear and a budget or date depends on one number. Use time and material when the product is still evolving and priorities will shift as you learn. Use a dedicated team when you have a long backlog and want continuity across releases. If the scope is uncertain but finance wants a ceiling, start with a capped discovery or first phase. Commercial terms are agreed in the proposal.

More questions (6)

Yes, for most web applications, content platforms and online stores. W3Techs (checked Oct 2026) reports PHP on 69.8% of sites with a known server-side language, and WordPress alone is on 40.2% of all websites. PHP 8.5 was released in November 2025 and is supported with security fixes to the end of 2029. It is a weaker fit for real-time-first and machine-learning-centred products, where Node.js or Python may suit better.

Use PHP 8.4 or 8.5. PHP 8.5 gets active support to 31 December 2027 and security fixes to 31 December 2029; PHP 8.4 is active to 31 December 2026 and secure to 31 December 2028 (php.net, checked Oct 2026). Avoid starting on 8.2 or 8.3 (security-only) and never on 8.1 or older (end-of-life). Laravel 13 needs PHP 8.3 to 8.5.

Yes. We audit first, add tests around the critical paths, then upgrade one version step at a time while the live system keeps running, with Rector and static analysis speeding up the mechanical changes. About 36% of PHP sites still run PHP 7 or 5 (W3Techs, Oct 2026), so this is common work. We recommend a rewrite only when the data model or code cannot be salvaged.

Choose PHP for content-driven sites, e-commerce, business portals and API backends, where hosting is abundant and mature frameworks reduce build time. Choose Node.js when the product is real-time first, such as live collaboration or chat, or when your team works only in JavaScript. For most business applications either works, so team skills, hosting and maintenance cost should decide. The comparison table also covers Python, .NET and Java.

Yes. We build versioned REST and GraphQL APIs with authentication, rate limiting and documented contracts, and integrate with payment gateways, ERP and accounting software, CRMs, shipping and messaging providers. A failed third-party call is retried through a queue rather than losing the order or record, and mismatches are logged. We map each connection and its failure modes during architecture design.

Our head office is in Navi Mumbai, with teams in Mumbai, Bangalore, Delhi, and each city has its own page on this site. We work with clients in any Indian city and overseas remotely. Projects run through discovery, demos at the end of each iteration and, once live, a monthly report.

Read the full guide

12 sections with the detail behind this page

The detail behind this page, section by section. Open any heading to read it; everything stays on this page.

Which PHP framework or platform should you choose?

Framework decision matrix

Choose the framework after you know the shape of the problem. A content site, an approvals portal and a multi-tenant SaaS product are different problems, and the wrong choice shows up later as slow delivery or expensive hiring. The table covers the twelve options clients ask about most and says where each is a poor fit.

Framework choice as a short decision treeFrom the main job to a framework: editor-owned content points to WordPress or Drupal, workflow-heavy products to Laravel or Symfony, physical goods to WooCommerce and Magento only when size or pricing rules demand it, small APIs to Slim, existing apps on older frameworks are maintained and upgraded.What is the main job?Content run byeditorsWordPressor DrupalWorkflow-heavyproducts, SaaSLaravelor SymfonyPhysical goodsto sellWooCommerce;Magento only if sizeor pricing rules demandSmall API ormicroserviceSlimExisting app onan older frameworkMaintain andupgrade itConfirmed with you in discovery
The rule of thumb as a picture. Start from the shape of the problem, not the framework. This simplifies the twelve-row table; the table has the strengths and watch-outs for each option.
OptionSuited toStrengthsWatch-outsOur use
LaravelBusiness apps, SaaS, APIs, portalsQueues, scheduler, auth, ORM, large ecosystem, quick onboardingConvention-heavy; very large domains need module disciplineOur usual start for custom applications and SaaS
SymfonyComplex, long-lived or multi-team systemsReusable components, LTS releases, strong dependency injectionMore set-up than LaravelIntegration-heavy backends, enterprise domains
CodeIgniterSmall to mid-size apps on modest hostingLight, simple, short learning curveSmaller ecosystem; fewer built-insExisting CodeIgniter apps; lean builds on constrained hosting
CakePHPCRUD-centred business appsConventions, ORM, fast scaffolding, stableSmaller community, fewer modern packagesExtending existing Cake codebases
Yii 2Data-grid-heavy admin systemsGii generator, caching, RBAC, speedShrinking hiring poolMaintaining and upgrading Yii apps
Laminas (ex-Zend)Enterprise code already on ZendModular, standards-based componentsVerbose; little reason for new productsMaintaining Zend-era systems
PhalconServices where framework overhead mattersC extension, very light coreNeeds server extension; small ecosystemRarely; only where a team already runs it
SlimSmall APIs and microservicesMinimal router and middlewareYou assemble auth, ORM, validationThin gateways, single-purpose services
WordPressContent sites run by editorsFamiliar admin, plugin market; on 40.2% of all websites (W3Techs, Oct 2026)Plugin sprawl if pushed past contentBrand sites, with custom code where plugins fall short
WooCommerceStores that want content plus commerceLarge extension catalogue, no core licence feeBig catalogues and B2B pricing need engineeringSmall to mid-size and subscription stores
Magento (Adobe Commerce)Large catalogues, multi-store, complex B2B pricingFlexible catalogue, pricing and store modelHeavier hosting; specialist developersHigh-SKU or multi-store retail
DrupalStructured content, complex permissions, multilingualFine-grained roles, strong security processSteeper learning curveInstitutional multi-editor platforms

Rule of thumb: editor-owned content, WordPress or Drupal; workflow-heavy products, Laravel or Symfony; physical goods, WooCommerce, moving to Magento only when catalogue size or pricing rules demand it. We confirm the choice in discovery.

Which PHP version should a new project run on?

Support lifecycle

For a new build in October 2026, target PHP 8.4 or 8.5. PHP 8.5 was released on 20 November 2025, with active support to 31 December 2027 and security fixes to 31 December 2029. PHP 8.4 is active to 31 December 2026 and secure to 31 December 2028.

For existing applications the dates are closer. PHP 8.2 is security-only and that window ends on 31 December 2026; PHP 8.1 and older receive no security fixes at all, and Composer packages keep dropping support for them.

Frameworks add their own limits. Laravel 13 needs PHP 8.3 or newer, so a team on 8.2 must upgrade the runtime first. Symfony 7.4 LTS runs on PHP 8.2 and above with security support to November 2029.

Planning rule we apply

  • Build new on 8.4 or 8.5, never on a version already in security-only mode.
  • Start the upgrade with about twelve months of security support left, not when it ends.
  • Upgrade the framework and PHP in separate, tested steps so any regression has one cause.
  • Do not stay on a version because the host still offers it; hosts keep end-of-life runtimes available long after upstream stops fixing them.
PHP 8.2 to 8.5 support and when to start upgradingA 2026 to 2029 timeline. PHP 8.5 has active support to 31 December 2027 and security fixes to 31 December 2029. PHP 8.4 active to 31 December 2026 and security to 31 December 2028. PHP 8.3 is security-only to 31 December 2027. PHP 8.2 is security-only to 31 December 2026. PHP 8.1 and older have no security fixes. Diamonds mark twelve months before security fixes end.2026202720282029PHP 8.5PHP 8.4PHP 8.3PHP 8.28.1 or olderNo security fixes: upgrade firstOct 2026Active supportSecurity fixes onlyStart upgrade: about 12 months of fixes left
Read the table as a calendar. Dates are the ones in the table. The diamond marks our planning rule: begin an upgrade with about twelve months of security support left. PHP 8.2 is already inside that window, and 8.1 and older are past it.
ReleaseStatus (Oct 2026)Active support untilSecurity fixes untilNotes
PHP 8.5Current31 Dec 202731 Dec 2029Released 20 Nov 2025
PHP 8.4Active31 Dec 202631 Dec 2028Property hooks, asymmetric visibility
PHP 8.3Security onlyEnded 31 Dec 202531 Dec 2027Minimum PHP for Laravel 13
PHP 8.2Security onlyEnded 31 Dec 202431 Dec 2026Window closes within months
PHP 8.1 and olderEnd of life--Upgrade first
Laravel 13CurrentBug fixes to Q3 2027Security to 17 Mar 2028Released 17 Mar 2026; PHP 8.3 to 8.5
Symfony 7.4 LTSLTSBug fixes to Nov 2028Security to Nov 2029Needs PHP 8.2 or newer
Symfony 6.4 LTSWinding downBug fixes to Nov 2026Security to Nov 2027Allows PHP 8.1 (end-of-life); move to 7.4

Sources: php.net/supported-versions.php, laravel.com/docs/releases, symfony.com/releases, all checked Oct 2026. Dates change; confirm before committing to a roadmap.

What does modern PHP 8.x give a business that PHP 5 and 7 did not?

Modern PHP 8.x

Modern PHP is not the PHP many people remember. Strong typing, enums, attributes and readonly objects let the language catch whole classes of mistakes before a customer does. The table shows what arrived in each release and why a buyer should care.

ReleaseCapabilityWhy it matters to a buyer
PHP 8.0Union types, named arguments, match, attributes, constructor promotionLess boilerplate, clearer intent, cheaper reviews; also introduced the JIT compiler
PHP 8.1Enums, readonly properties, first-class callable syntax, fibersOrder status or approval stage become checked types, not loose strings
PHP 8.2Readonly classes, standalone null, false and true types; dynamic properties deprecatedObjects that cannot be silently changed; the dynamic-property deprecation is what most often breaks older code
PHP 8.3Typed class constants, #[\Override] attribute, json_validate()Catches renamed-method mistakes early; cheap JSON validation
PHP 8.4Property hooks, asymmetric visibility, lazy objects, array_find() and array_any() helpersValidation and computed fields sit with the property; less glue code
PHP 8.5Pipe operator, built-in URI extension, array_first() and array_last(), clone withCleaner data pipelines and standards-based URL handling

An honest note on speed: PHP 7 was the big jump over PHP 5, and later gains are incremental. The JIT added in 8.0 helps CPU-bound loops, but a web request mostly waits on the database and network, so users rarely feel it. OPcache configured correctly, indexed queries and work moved out of the request matter far more.

The bigger business effect of PHP 8.x is maintainability. PHPStan and Psalm work best on typed code, Rector can apply upgrades across a codebase, and new developers read intent from types. That lowers the cost of every future change, which is where most software spend goes.

How should a PHP application be structured?

Architecture options

Our default for a new business application is a modular monolith with background queues: delivery stays fast, hosting stays simple, and a module can be split out later if load justifies it. These are the six patterns we weigh, and when each earns its cost.

01

Modular monolith

One deployable app split into bounded modules (billing, catalogue, reporting).

  • Fits when: Most business apps and early products.
  • Avoid when: Teams must ship and scale parts independently.
02

API-first and headless

PHP exposes a documented REST or GraphQL API; web, mobile and partner front ends consume it.

  • Fits when: Web and mobile apps, or a React or Vue front end, share one backend.
  • Avoid when: One server-rendered site is enough.
03

Queues and workers

Emails, PDFs, imports and webhooks run in background workers (Laravel queues, Symfony Messenger, Redis, RabbitMQ, SQS).

  • Fits when: Work that is slow or can fail and be retried.
  • Avoid when: The user needs the result immediately.
04

Event-driven integrations

Webhooks in, scheduled jobs and outbox patterns out, so external systems stay in sync.

  • Fits when: ERP, payment and CRM sync where failure must not lose orders.
  • Avoid when: There are no external systems.
05

Caching and search

Redis for sessions and hot data, HTTP and page caching, OpenSearch or Meilisearch for search.

  • Fits when: Read-heavy pages, catalogue search, repeated dashboards.
  • Avoid when: Data must be strictly real-time.
06

Services and microservices

Independently deployed services, each with its own data store.

  • Fits when: Many teams and genuine independent scaling needs.
  • Avoid when: Small teams; overhead outweighs benefit. We rarely start here.
Default structure of a PHP business applicationClients (web, mobile, partners) call one documented API. It fronts a modular monolith with billing, catalogue and reporting modules. Below sit queue workers for slow work, Redis for sessions and hot data, the database and external systems such as ERP, payments and CRM.Web siteMobile appPartnersDocumented REST or GraphQL APIMODULAR MONOLITH: ONE DEPLOYABLE APPBillingCatalogueReportingIllustrative modulesQueue workersemails, PDFs, importsRedissessions, hot dataDatabaseindexed queriesExternal systemsERP, payments, CRM
Our default shape. A modular monolith with background queues keeps delivery fast and hosting simple, and a module can be split out later if load justifies it. Illustrative: your modules will differ.

If a mobile app is planned, the API is designed once and shared; see mobile app development.

How do you secure a PHP application?

Security

PHP is everywhere, so it is attacked constantly, and security has to be built in rather than added at the end. We map the OWASP Top 10 risk areas (2021 naming) to specific controls and check them during build and before launch. This is engineering practice, not a certification claim; if your compliance process needs a formal audit, plan it alongside the build.

OWASP risk areaHow it typically shows up in PHPControl we apply
Broken access controlChanging an ID in the URL shows another customer’s invoicePolicy checks on every route and query, ownership tests, deny by default
Cryptographic failuresWeak password hashes; plain HTTPpassword_hash() with Argon2id or bcrypt, TLS, field encryption, secrets out of the repository
InjectionSQL built by string concatenation; unescaped outputPrepared statements via PDO or ORM, output escaping, input validation
Insecure designAbusable flows such as coupon stacking or unlimited retriesAbuse cases written at discovery, rate limiting
Security misconfigurationDebug mode on in production; default credentialsPer-environment config, hardened PHP and server settings, security headers including CSP
Vulnerable and outdated componentsAbandoned packages; PHP 7 in productioncomposer audit in CI, committed lock file, runtime tracked against the support table
Identification and authentication failuresNo lockout, predictable reset tokensThrottled logins, expiring single-use tokens, session regeneration, optional two-factor
Software and data integrity failuresTrusting serialized user dataNo unserialize() on user input, pinned dependencies
Logging and monitoring failuresBreach unnoticed because nothing was recordedStructured logs, audit trail, error alerting
Server-side request forgeryA URL-fetching feature reaches internal servicesOutbound allow-lists, blocked private ranges
Layers of control a PHP request passes throughA funnel from every request through throttling, authentication, authorisation, input validation and output escaping down to your data, with logs and an audit trail across all layers.EVERY REQUESTThrottlerate limits, throttled loginsAuthenticateexpiring single-use tokensAuthorisepolicy check on every route and queryValidate inputprepared statements via PDO or ORMEscape outputescaped output, CSP headersYour dataStructured logs and audit trail record every layer
Deny by default, in layers. No single control is trusted alone: the table names the control for each OWASP risk area, and this is the order a request meets them. Illustrative.

Dependencies

Most code in a modern application is third-party. We commit the Composer lock file, run composer audit against known advisories and flag abandoned packages.

Secrets

Keys, tokens and database passwords live in environment config or a secrets manager, never in source control.

Patching

We track PHP, framework and package versions against published support dates, so upgrades happen before fixes stop.

OWASP risk names: owasp.org/Top10, 2021 edition naming, checked Oct 2026.

Can PHP handle high traffic, and how do you make it fast?

Performance and scalability

Yes. PHP requests are stateless, so you scale out by adding application servers behind a load balancer. Slowness is rarely the language; it is the database, missing caches and work that should not be inside a request. We tune in a fixed order.

  1. Measure first. Profile real requests before changing code.
  2. Fix the database. Remove N+1 queries, add indexes, read the slow-query log.
  3. Configure the runtime. Size OPcache, tune PHP-FPM workers, optimise the autoloader.
  4. Cache deliberately. Redis, HTTP cache headers, full-page caching where content allows.
  5. Move work off the request. Emails, reports and slow partner APIs run in queue workers, with retries.
  6. Serve assets from the edge. A CDN takes images, scripts and downloads off the servers.
  7. Load-test before launch. Simulate expected peaks in staging, not on launch day.
Browser CDN / edge Nginx PHP-FPM + OPcacheLaravel / Symfony / WordPress Rediscache, sessions Databaseindexed queries Queue workersmail, PDFs, sync Load test + profiler watch the whole path
Where time is saved: cache before database, queue before request, edge before server.

How is PHP code tested and shipped?

Testing and delivery

A change reaches production only after the same automated gates every time. That makes upgrades and features routine instead of risky, and it is why we add tests before touching legacy code. This is the shape we aim for; exact tools match your team and hosting.

1 CommitSmall changes on a branch, peer-reviewed
2 StyleAutomated code formatting check
3 Static analysisPHPStan or Psalm finds type errors without running code
4 TestsUnit and feature tests with PHPUnit or Pest
5 BuildContainer image or release artefact
6 StagingApproval and user acceptance on a copy of production
7 ReleaseScripted deploy with a rollback step
  • PHPUnit
  • Pest
  • PHPStan
  • Psalm
  • Rector
  • Laravel Pint
  • PHP_CodeSniffer
  • Playwright or Dusk for browser tests
  • Docker
  • GitHub Actions or GitLab CI
  • Composer

Browser tests cover revenue journeys such as checkout; unit and feature tests cover business rules. Neither replaces a person reviewing staging before release.

How do you upgrade an old PHP 5 or PHP 7 application?

Legacy modernisation

Incrementally, tests first, with the live system kept running. A big-bang rewrite throws away years of embedded business rules; a staged upgrade lets the application earn its keep at every step. We stabilise, upgrade the runtime one step at a time, and replace the weakest parts piece by piece behind the existing application (the strangler approach).

W3Techs reports PHP 8.x on 64.4% of PHP-powered sites, 7.x on 27.8% and 5.x on 7.8% (checked Oct 2026), so roughly 36% still run versions without security fixes. Many are business-critical systems nobody wants to touch, which is what a careful, test-led upgrade is for.

~36%

of PHP-powered sites still run PHP 7 (27.8%) or PHP 5 (7.8%), both end-of-life.

Source: W3Techs, PHP usage statistics, checked Oct 2026.

  1. AuditInventory versions, extensions, packages, hosting and revenue paths.
  2. Build a safety netTests that record current behaviour, plus staging and backups.
  3. Upgrade in stepsOne version hop at a time, using Rector and static analysis.
  4. Replace what hurtsStrangle the worst modules while the rest keeps running.
  5. Cut over and monitorRelease with a rollback plan; retire old code.
PHP version share and a stepped upgrade pathA stacked bar from W3Techs, October 2026: PHP 8.x on 64.4 percent of PHP-powered sites, 7.x on 27.8 percent and 5.x on 7.8 percent, so about 36 percent run end-of-life versions. Below, a rising staircase: audit and tests, then 7.4, 8.0, 8.1 and finally 8.4 or 8.5.PHP-powered sites by PHP version (W3Techs, Oct 2026)8.x 64.4%7.x 27.8%5.x 7.8%about 36% on end-of-life versionsIllustrative upgrade path for a PHP 7 applicationAudit+ tests7.48.08.18.4 or8.5One version hop at a time, tests at each stage
Why upgrade in steps. The bar uses the W3Techs figures quoted above. The staircase is the 7.x row of the table: reach 7.4, then step through 8.0 and 8.1 to 8.4 or 8.5, testing at each stage. PHP 5.x joins at 7.4 after audit and tests. Illustrative.
Starting pointTypical pathMain risks to plan for
PHP 5.xAudit, add characterisation tests, move to 7.4 as a stepping stone, then to a supported 8.x.mysql_* functions (removed in PHP 7), no tests, outdated libraries
PHP 7.xReach 7.4, then step through 8.0 and 8.1 to 8.4 or 8.5, testing at each stage.Stricter 8.0 internals, warnings turned into errors, abandoned packages
PHP 8.0 or 8.1Short jump to 8.4 or 8.5; deprecations and package compatibility.Dynamic properties (deprecated in 8.2), implicit nullable types (8.4), framework constraints
PHP 8.2 or 8.3Move to 8.4 or 8.5 before the window closes (8.2: 31 Dec 2026; 8.3: 31 Dec 2027).Low risk; mostly dependency updates

We recommend a rewrite only when the data model is unsalvageable, existing behaviour cannot be tested, or most features would be replaced anyway. See the cost drivers, or send us the codebase details.

What does a PHP project look like from first call to support?

Delivery process

Seven steps, each with something you can hold us to. Depth scales with project size: a small WordPress build compresses steps one to three into a workshop. Communication runs through calls, demos and written updates.

  1. Discovery and scoping

    We talk to the people who will use and pay for the system and map goals, users, constraints and existing systems.

    Deliverables: Scope document, prioritised backlog, risk list, proposal with cost and timeline

  2. Architecture and data design

    Framework, hosting, data model, integrations and security model are decided while changes are cheap.

    Deliverables: Architecture note, data model diagram, API outline, environment plan

  3. UX and prototype

    Wireframes and a clickable prototype let you react before building.

    Deliverables: Sitemap, wireframes, approved screens

  4. Iterative build

    Short, peer-reviewed iterations, each shown to you on staging at the end.

    Deliverables: Working increments on staging, demo, change log

  5. Testing and hardening

    Automated tests, OWASP-mapped checklist, performance and acceptance testing.

    Deliverables: Test results, security checklist, load-test findings, acceptance sign-off

  6. Launch and hand-over

    Scripted release with rollback plan, data migration and a walkthrough for your team.

    Deliverables: Release notes, runbook, documentation, handover session

  7. Support and improvement

    Updates, patching, fixes and enhancements, summarised in a monthly report.

    Deliverables: Update log, monthly report, prioritised backlog

Should you build in PHP, Node.js, Python, .NET or Java?

PHP vs the alternatives

Often any of them would work; team, architecture and operations matter more than the language. PHP is a strong default for web applications, CMS sites and online stores, and weaker for real-time and data-science-first products. If you lean towards Ruby, see our Ruby on Rails services.

StackStrong atWeaker atChoose it when
PHPCMS, e-commerce, business portals, API backendsReal-time connections and machine learning (possible, not native)Hosting is abundant, developers plentiful, and the need is a web app, store or CMS
Node.jsReal-time chat and collaboration, streaming, JavaScript-only teamsDependency sprawl; CPU-heavy tasks block the event loopReal-time is core, or the team is JavaScript-only
Python (Django, FastAPI)Data pipelines, analytics, machine learningFewer ready-made CMS and commerce optionsData science or ML is core
.NET (ASP.NET Core)Microsoft-standardised enterprisesSmaller CMS and low-cost hosting ecosystem than PHPYou run on Microsoft infrastructure and skills
Java (Spring Boot)Large regulated enterprises, long-lived multi-team systemsHeavier set-up for small applicationsYou standardise on the JVM

Building something new, or looking after something old?

Tell us the PHP version, the framework and what is hurting, or describe the product you want to build. An engineer will reply with questions, not a brochure.

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Building something new, or looking after something old?

Tell us the PHP version, the framework and what is hurting, or describe the product you want to build. An engineer will reply with questions, not a brochure.

Talk to a PHP engineerCall +91 91521 91510

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