The American Journal of Engineering and Technology
56
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TYPE
Original Research
PAGE NO.
56-65
10.37547/tajet/Volume07Issue06-06
OPEN ACCESS
SUBMITED
24 April 2025
ACCEPTED
29 May 2025
PUBLISHED
10 June 2025
VOLUME
Vol.07 Issue 06 2025
CITATION
Oleg Ekhlakov. (2025). PHP: Methodology for Configuring Third-Party
Composer Packages. The American Journal of Engineering and
Technology, 7(06), 56
–
65.
https://doi.org/10.37547/tajet/Volume07Issue06-06.
COPYRIGHT
© 2025 Original content from this work may be used under the terms
of the creative commons attributes 4.0 License.
PHP: Methodology for
Configuring Third-Party
Composer Packages
Oleg Ekhlakov
Web Developer, Intaro Soft LLC Russia, Lipetsk
Abstract:
This article presents a methodology for
customizing third-party packages in PHP projects using
Composer. Drawing on established extension patterns
(Decorator, Adapter, Bridge), principles of API-centric
architecture (PSR-4, Service Providers, Semantic
Versioning), and event-driven mechanisms (Composer
Hooks, PSR-14 Event Dispatcher, task queues), the paper
outlines an integrated framework that enables safe and
scalable modifications without directly forking
dependencies. The proposed methodology is informed
by a comparative analysis of prior research, allowing for
a comprehensive examination of Composer-based third-
party package configuration. The results demonstrate a
reduction
in
technical
debt
and
improved
maintainability of projects while preserving the ability to
apply automated updates. The conceptual strategies
outlined here will be of particular interest to senior PHP
architects and lead developers responsible for ensuring
the scalability and reliability of enterprise web
applications. Moreover, the analysis of dependency
customization practices offers practical value to
researchers and graduate students in software
engineering, especially those focused on the evolution
of package management tools and the optimization of
CI/CD processes within DevOps ecosystems.
Keywords:
Composer,
package
customization,
Decorator, Adapter, Bridge, PSR-4, Service Provider,
Semantic
Versioning,
Composer
Hooks,
Event
Dispatcher, methodology.
Introduction:
In recent years, the PHP ecosystem has
undergone significant expansion. As a result, business
applications frequently require customization of third-
party packages without forking them, in order to
preserve support for automated updates and
maintainability. However, common approaches
—
such
as directly modifying source code or creating forks
—
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introduce risks of divergence from upstream versions
and increase project maintenance complexity [1].
The div of literature addressing Composer-based
configuration of third-party PHP packages can be
broadly categorized into four thematic groups.
The first group focuses on SaaS configuration
management and the integration of CPQ (Configure-
Price-Quote) systems in B2B contexts. Joshi H. [1]
explores enterprise design patterns for CPQ,
emphasizing
modular
architecture
to
support
adaptability and extensibility. Li B. and Kumar S. [3]
examine economic-operational models of SaaS
management, with an emphasis on configuration
flexibility and scalability. Dutta S. K. [4] outlines best
practices for implementing the Salesforce Enablement
Playbook, where configurable packages serve as the
backbone of business logic. Pathak P. et al. [5] analyze
sales performance improvements driven by CPQ-CRM
integration, highlighting the role of automated
component configuration.
The second group brings together research on cloud
technology adoption and digital transformation in
broader societal contexts. Islam M. N. [2] proposes an
architecture for an education-focused CMS with
integrated
cloud
services,
where
Composer
dependencies are used to modularly connect content
delivery and authentication features. Kaputa V.,
Loučanová E., and Tejerina
-Gaite F. A. [7] discuss digital
transformation as a driver of socially oriented
innovation, referencing Composer as a tool for
standardizing and unifying integrated libraries.
The third group consists of studies in business process
reengineering and comparative analysis of project
management tools. Baul S. et al. [6] provide a survey of
open-source
and
SaaS
solutions
for
project
management, presenting a custom-built tool based on
process analysis findings.
The fourth group directly addresses PHP frameworks,
third-party integrations, and application performance
optimization. Selvaraj S. [8] details advanced integration
techniques for external services in Laravel applications,
including autoload configuration and management of
publishable resources via Composer. Engebreth G. and
Sahu S. K. [9] explore PHP 8 framework logic, organizing
standard configuration and extension practices through
package-based mechanisms. Jahanshahi R. et al. [10]
introduce
Minimalist
, a tool for semi-automated "de-
bloating" of PHP applications, which statically analyzes
Composer
dependencies
to
eliminate
unused
components.
Despite the breadth of approaches, the literature
reveals several contradictions and gaps. First, there is a
split regarding the degree of automation: some authors
[5,10] advocate for maximum automation of
configuration, while others [1,2] emphasize the
importance of manual parameter tuning. Second,
economic modeling methodologies [3] are rarely aligned
with practical guidelines on dependency security and
management [10]. Moreover, integration of Composer
configuration with CI/CD pipelines, strategies for
maintaining backward compatibility during package
updates, and vulnerability assessment methods for
third-party dependencies are poorly addressed.
Therefore, a comprehensive Composer customization
methodology requires further study that integrates
economic, organizational, and technical perspectives,
along with deeper development of automation and
security tooling.
The goal of this article is to analyze a methodology for
configuring third-party packages in PHP projects using
Composer.
The scientific contribution lies in the theoretical
substantiation of a comprehensive methodology for
customizing Composer packages through the hybrid use
of extension patterns (Decorator, Adapter, Bridge), API-
centric integration (PSR-4, Service Providers, Semantic
Versioning), and event-driven mechanisms (Composer
Hooks, PSR-14). This approach, grounded in
comparative analysis of existing research, demonstrates
the potential to reduce technical debt and improve
maintainability without forking dependencies.
The working hypothesis is that hybrid use of object-
oriented extension patterns, together with PSR-4-based
API integration and event-driven Composer scripting,
enables
more
sustainable
and
maintainable
customization of third-party packages than traditional
forking methods.
This study is based on a review of research reporting
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implementation experiences and includes comparative
analysis across dimensions such as maintainability
complexity, update compatibility, and test coverage.
1. Extension Patterns for Composer Packages
(Decorator, Adapter, Bridge)
The Decorator pattern enables dynamic
wrapping of an object to add new responsibilities
without modifying the original class. This approach
mirrors the microservice-based decomposition of CPQ
systems into independent components [1], where each
service is responsible for a specific function and can be
extended by others without altering the core. In PHP
projects managed via Composer, the Decorator pattern
is implemented using PSR-4 autoloading and a dedicated
namespace for decorators. An illustrative example is
provided below:
namespace MyApp\Decorators;
use ThirdParty\ClientInterface as BaseClient;
use MyApp\Contracts\ClientInterface;
class LoggingDecorator implements ClientInterface
{
private BaseClient $client;
public function __construct(BaseClient $client)
{
$this->client = $client;
}
public function request(array $payload): array
{
// Log the request
error_log('Request: ' . json_encode($payload));
$response = $this->client->request($payload);
// Log the response
error_log('Response: ' . json_encode($response));
return $response;
}
}
The Adapter pattern addresses interface incompatibility
between client code and third-party libraries. Acting as
a translation layer, it maps one interface to another
—
functionally similar to an API gateway in a CPQ system's
API-centric architecture [1]. In Composer-based
packages, the Adapter is typically introduced via
dependency
injection
containers
and
service
configuration (e.g., in Symfony or Laravel). A sample
implementation is shown below:
namespace MyApp\Adapters;
use ThirdParty\PaymentGateway;
use MyApp\Contracts\PaymentInterface;
class PaymentGatewayAdapter implements PaymentInterface
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{
private PaymentGateway $gateway;
public function __construct(PaymentGateway $gateway)
{
$this->gateway = $gateway;
}
public function charge(float $amount, string $currency): bool
{
// Translate the call to the application's interface
return $this->gateway->processPayment([
'sum' => $amount,
'ccy' => $currency,
]);
}
}
The Bridge pattern decouples abstraction from its
implementation,
allowing
them
to
evolve
independently. This is closely aligned with Event-Driven
Architecture, in which event producers and consumers
communicate loosely via brokers [2,3]. In Composer-
based environments, the Bridge can be used to
substitute service implementations without modifying
abstraction logic
—
e.g., through configuration in
composer.json or within a DI container. An example is
illustrated below:
{
"extra": {
"bridge": {
"MyApp\\Contracts\\StorageInterface": "MyApp\\Adapters\\S3Storage"
}
}
}
Each bridge-adapter implements a shared interface but
can rely on any underlying technology.
Table 1
–
Comparison of Composer Package Extension Patterns [1
–
3; 7]
Pattern
Primary Purpose
Example Use Case
Advantages
Limitations
Decorator
Dynamically
add
behavior
Logging API calls
through
a
client
wrapper
•Separation of concerns
•Scalable design
•Can
increase
object
hierarchy
complexity
Adapter
Reconcile
incompatible
interfaces
Integrating a third-
party
payment
gateway
•Minimal code changes
•Improved readability
•Adds an extra
translation layer
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Pattern
Primary Purpose
Example Use Case
Advantages
Limitations
Bridge
Decouple
abstraction
and
implementation
Switching
storage
mechanisms
(file/S3/DB)
• Swap implementations
without forking• Loose
coupling
•Additional
abstraction
may
reduce clarity
In summary, the use of these patterns ensures
modularity, flexibility, and maintainability when
customizing Composer packages
—
while preserving
compatibility with upstream updates and avoiding the
need for direct forks.
2. API-Centric Integration and Configuration
In an API-centric architecture, the primary focus is on
modeling functional components as a collection of
clearly defined interfaces, which facilitates reuse,
testing, and maintainability [1]. Within the context of
Composer-managed PHP projects, the key mechanisms
of an API-centric approach include PSR-4 autoloading,
service registration via Service Providers, and carefully
planned semantic versioning of dependencies.
The PSR-4 standard defines how namespaces map to
directory structures, allowing for automatic class
loading without the need for require or include
statements [3,6]. It is configured in composer.json as
follows:
{
"autoload": {
"psr-4": {
"MyApp\\": "src/"
}
}
}
This strict mapping of namespace to file path ensures a
predictable and organized project structure, reducing
the likelihood of conflicts and simplifying error diagnosis
during class resolution. Support for multiple autoloading
roots allows developers to introduce custom extensions
and modules without modifying vendor code, thus
enhancing architectural flexibility and accelerating the
rollout of new features.
However, the addition of new classes requires manual
regeneration of the autoloader via composer dump-
autoload, which may slow down iterative development
and should be considered in CI/CD automation
workflows.
A Service Provider acts as the registration point for
service classes in the dependency injection (DI)
container [5,7]. In Laravel and Symfony, they serve as
API gateways for the application:
namespace App\Providers;
use Illuminate\Support\ServiceProvider;
use ThirdParty\Client as BaseClient;
use App\Adapters\ClientAdapter;
class ClientServiceProvider extends ServiceProvider
{
public function register()
{
$this->app->bind(
BaseClient::class,
ClientAdapter::class
);
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}
}
Using Service Providers aligns with the API gateway
model seen in CPQ systems, where each service exposes
a standardized interface for interaction.
Semantic Versioning 2.0.0 (SemVer) defines the format
MAJOR.MINOR.PATCH, where:
●
MAJOR: incompatible API changes;
●
MINOR: backward-compatible new
features;
●
PATCH: backward-compatible bug fixes
[5,8].
When choosing a versioning strategy, it's essential to
balance project stability with the ability to receive
security updates [9]. In CPQ integrations
—
where
external APIs may change
—
it is advisable to target
MINOR versions (using the
^
constraint) to preserve
compatibility while receiving critical fixes automatically.
Table 2
–
Basic API-Centric Connectivity Mechanisms in Composer Projects [1,3,5,7,8]
Mechanism
Description
Configuration Example
Advantages
Limitations
PSR-4
Autoloading
Automatic
mapping
of
namespace → file
path
"autoload":
{"psr-4":
{"MyApp\\": "src/"}}
•Clean
project
structure
•Multi-root
support
•Requires
autoloader
regeneration after
adding files
Service
Providers
Register/override
services in the DI
container
Laravel:
register()
/
Symfony: services.yaml
•Centralized
configuration
•Lazy,
conditional
loading
•Requires
understanding of
DI and lifecycle
mechanics
Versioning
Range
restriction
for packages based
on SemVer
"require":
{"vendor/pkg":
"^1.2.3"}
•Backward
compatibility
•Patch
auto-
updates
•May
overlook
breaking changes
under
wide
^ranges
In summary, the combined use of PSR-4 autoloading,
Service Providers, and well-considered SemVer
strategies enables PHP projects to maintain a clean,
extensible, and secure environment for customizing
third-party Composer packages
—
while preserving
automated
update
capabilities
and
long-term
maintainability.
3. Event-Driven Customization
Combining principles of Event-Driven Architecture (EDA)
with Composer tools and PHP frameworks enables the
injection of custom logic into third-party packages
through lifecycle hooks and events
—
achieving high
decoupling and true extension flexibility [1,10].
Composer provides a scripting mechanism that allows
custom commands to be bound to specific package
installation and update events. Key integration points
include:
●
pre-install-cmd
—
before starting
dependency installation
●
post-install-cmd
—
after successful
execution of composer install
●
pre-update-cmd
—
before updating
dependencies
●
post-update-cmd
—
after successful
execution of composer update
●
post-autoload-dump
—
after
autoloading has been regenerated
These events allow developers to automate tasks such
as patching vendor code, generating configuration files,
or copying template assets:
{
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"scripts": {
"post-install-cmd": [
"App\\Scripts\\PatchVendor::apply",
"App\\Scripts\\GenerateConfig::run"
],
"post-update-cmd": [
"App\\Scripts\\PatchVendor::apply"
]
}
}
Composer hooks can be used to simulate reactive CPQ
microservice behavior without modifying third-party
code. Custom logic can be linked through the PSR-14
Event Dispatcher and built-in framework mechanisms:
●
PSR-14
—
the official publish
–
subscribe
standard for PHP [4]
●
Symfony
EventDispatcher
—
a
component for defining and subscribing to internal or
custom events [7]
●
Laravel Events & Listeners
—
a
declarative event system with built-in support for
queues and broadcasting [8]
An example of event registration in Symfony is shown
below:
// src/Event/PackageModifiedEvent.php
namespace App\Event;
use Symfony\Contracts\EventDispatcher\Event;
class PackageModifiedEvent extends Event
{
public const NAME = 'package.modified';
private string $packageName;
public function __construct(string $packageName)
{
$this->packageName = $packageName;
}
public function getPackageName(): string
{
return $this->packageName;
}
}
This approach mirrors asynchronous, event-based
workflows found in CPQ-EDA systems, enabling business
logic to be extended without tight coupling to third-
party code.
For more complex tasks
—
such as patching, database
migrations, or bulk API requests
—
events can be handled
asynchronously using:
●
Symfony Messenger
—
a component for
routing messages in synchronous or asynchronous mode
(e.g., RabbitMQ, Doctrine) [1]
●
Laravel Queues
—
integration with
Redis, Beanstalkd, AWS SQS for background job
processing [8]
Asynchronous execution reduces the load on
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Composer’s CLI scripts and removes execution time
limitations
—
an important factor in large-scale CPQ
scenarios.
Table 3 – Comparison of Event-Oriented Customization Mechanisms with Composer and PHP Frameworks
[1,7,9,10]
Mechanism
Integration
Point
Example Scenario
Pros
Cons
Composer
Hooks
pre/post-
install/update-
cmd
Applying a patch to a vendor
package
•Simple to set up
•Broad
compatibility
•Synchronous
execution
•Time
constraints
PSR-14
Event
Dispatcher
Internal/user-
defined events
Broadcasting
PackageModifiedEvent to listeners
•Loose
coupling
•High testability
•Requires
supporting
infrastructure
Symfony
Messenger
/Laravel
Queues
Background
queue
Database migration after package
update
•Asynchronous
execution• Scalable
•Configuratio
n complexity
•External
broker
required
In summary, event-driven customization in Composer-
based PHP projects combines the strengths of CPQ-style
EDA with CLI scripting and modern framework
capabilities. While this approach enables a decoupled
and scalable architecture with support for asynchronous
workflows, it demands careful infrastructure setup for
event handling and queue management to ensure
reliability and performance.
4. Practical Approaches to Customizing Third-Party
Composer Packages
In modern PHP development, the author identifies five
principal methodologies for customizing Composer-
managed packages. Each has distinct advantages and
limitations, and selecting the appropriate one depends
on project goals, maintenance timelines, and team
readiness for long-term support.
The first approach involves copying the package’s source
code directly into the internal project repository and
modifying it in place. This grants complete freedom to
alter functionality without constraints imposed by the
original maintainers. Its simplicity and low entry barrier
make it appealing when under severe time pressure or
when integration must occur quickly without relying on
external changes. However, this method severs the link
to the official repository: updates must be merged
manually,
significantly
increasing
maintenance
overhead and making the team solely responsible for
bug fixes. As such, this strategy is suitable only for one-
off edits to non-critical libraries or as a temporary
workaround when no other options apply.
The second method is forking the package on a VCS
platform (e.g., GitHub), introducing general-purpose
improvements, and submitting a pull request (PR) to the
original repository. This allows changes to be merged
upstream
while
preserving
compatibility
with
Composer’s standard update mechanism. If the PR is
accepted, the changes become available to all users of
the package, fostering open-source development.
However, the process depends on the maintainers’
responsiveness; unresolved PRs can remain indefinitely
in a private fork. Still, when structured clearly and
addressing a real need
—
such as extending name parsing
in a personal data library
—
contributions may be
accepted within days, streamlining future maintenance
and updates.
The third technique leverages Composer’s scripting
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system (post-install-cmd, post-update-cmd) to apply
modifications after package installation or update. Using
custom Bash or PHP scripts, developers can patch files
without modifying the package repository directly,
maintaining structure integrity and ensuring repeatable
behavior. This safeguards changes from being
overwritten during updates but adds complexity due to
opaque execution flows and potential fragility of
pattern-based replacements (e.g., using awk). If a
package’s internal structure shifts sign
ificantly, the
scripts may break and require constant upkeep. A
successful example is disabling mbstring.func_overload
checks in phpoffice/phpexcel via a Bash script
referenced in the composer.json scripts section,
ensuring compatibility with legacy Bitrix platforms.
The fourth strategy involves redefining Composer
repositories (custom repositories). Here, composer.json
specifies alternate sources (vcs/git/github/path/zip),
preserving the original package name, namespace, and
version while changing its download URL. This enables
development within a maintained fork while retaining
the option to switch back to the official package. It
strikes a balance between autonomy and updatability
but still requires syncing changes from upstream. An
example includes a forked name-parser library adapted
for PHP 8, where two interdependent repositories were
defined under repositories and versions set to dev-php8;
once the official PHP 8 support was released, the block
was removed to resume regular updates.
The fifth approach follows object-oriented design
principles: extending a third-party class by creating a
custom subclass and overriding only the required
methods. This keeps the base package untouched and
updateable
via Composer
while encapsulating
modifications in local code. This approach aligns with
the principles of dependency inversion and the
open/closed principle, but it assumes the library was
designed with extension in mind
—
i.e., methods are
protected or public, not final, and sufficient hooks are
exposed. Poor extensibility in the original design may
prevent full customization.
A comparative analysis shows that code copying and
Composer scripts offer maximum control but weaken
the connection to upstream and increase support
demands. Pull requests offer the greatest benefit to the
broader community and enable scalable change
adoption but rely on external maintainers. Custom
repositories provide a balanced compromise between
autonomy and maintainability. OOP inheritance is the
cleanest solution when supported by the package’s
architecture.
Guidelines for selecting the most suitable method:
•
For changes likely to benefit others, submit a pull
request.
•
For localized, minimal modifications, use Composer
scripts or inheritance, if feasible.
•
For major revisions with ongoing update needs,
maintain a custom repository.
•
Use code copying only as a last resort when all other
strategies are unworkable.
In conclusion, the optimal approach should be selected
based on a careful balance between integration speed,
safe update paths, and the potential for reuse across
projects.
CONCLUSION
This study resulted in a practical toolkit and decision-
making framework for customizing third-party
Composer packages, structured around three core
pillars:
•
Extension Patterns (Decorator, Adapter, Bridge)
enable modular augmentation or substitution of
functionality without modifying the source code of
dependencies.
•
API-Centric Configuration (PSR-4, Service Providers,
Semantic Versioning) establishes a clear and reliable
integration layer that preserves compatibility
through updates.
•
Event-Driven Mechanisms (Composer Hooks, PSR-
14, asynchronous queues) provide reactive handling
of package lifecycle events and background tasks
with minimal latency and overhead.
The proposed methodology has shown to reduce
maintenance effort in complex PHP projects, lower the
risks associated with package updates, and improve
code reusability. As potential directions for future
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development, it is recommended to explore the
integration of Low-Code/No-Code platforms for
automating test environment scaffolding and to assess
the adaptability of this approach to other ecosystems
such as JavaScript (npm) and Python (pip).
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