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Docker vs PHP

Docker logo

Docker

Developer Tools

Accelerate how you build, share, and run applications

From
Free
Free plan
Yes
Visit DockerFull review
PHP logo

PHP

Web Development

A popular general-purpose scripting language that is especially suited to web development

From
Free
Free plan
Yes
Visit PHPFull review

The short version

  • PHP is an open source scripting language for web development.
  • PHP is free; Docker starts at $11/mo.
  • Where Docker falls short: shared kernel creates security vulnerabilities when containers share the same OS kernel that can bypass container isolation.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Docker and PHP actually diverge.

Attributes where Docker and PHP differ
AttributeDockerPHP
PlatformsLinux, macOS, WindowsWeb
CategoryDeveloper ToolsWeb Development

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: pricing model for Docker, founded for PHP.

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Docker

  • Container runtime
  • Docker Desktop
  • Docker Hub
  • Docker Compose
  • Container images
  • Dockerfile
  • Docker Swarm
  • BuildKit

Only in PHP

Nothing recorded that Docker does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Docker

  • Application containerizationnot PHP
  • Microservicesnot PHP
  • CI/CD pipelinesnot PHP
  • Development environmentsnot PHP
  • Cloud migrationnot PHP

PHP

  • Server-side web developmentnot Docker
  • Content management systemsnot Docker
  • API backendsnot Docker

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Docker

  • Shared kernel creates security vulnerabilities when containers share the same OS kernel that can bypass container isolation
  • Daemon socket exposure grants full root access to the host if compromised
  • Requires careful secrets management - credentials embedded in images or environment variables are easily harvested by attackers
  • Resource management complexity - misbehaving or compromised containers can consume all resources causing denial of service
  • Orchestration complexity - Docker Swarm is less capable than Kubernetes, requiring external tools for production deployments

PHP

  • PHP 8.2 lost active support on 31 Dec 2024 and enters full end of life on 31 Dec 2026, with only security fixes since, per php.net/supported-versions.php (Aug 2026)

Pricing, plan by plan

Docker

Free

No published plan breakdown. See the Docker review.

PHP

Free

No published plan breakdown. See the PHP review.

Which should you pick?

Choose Docker if

  • You need container runtime.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want docker desktop.
Docker review

Choose PHP if

  • You want to start without paying.
PHP review

Questions people ask

Is Docker or PHP better?
Neither clearly leads. Docker starts at Free and PHP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Docker or PHP?
Docker starts at Free and PHP at Free.
Does Docker or PHP run on more platforms?
Docker runs on Linux, macOS, Windows. PHP runs on Web.
Can I use Docker for free?
Both have a free tier, so you can try either at no cost before committing.
What is Docker best used for?
Docker is most often used for application containerization, microservices, ci/cd pipelines, development environments. Of those, application containerization and microservices are not what PHP is typically brought in for.
What can Docker do that PHP cannot?
Docker covers Container runtime, Docker Desktop, Docker Hub, Docker Compose.

Answered from the vendors’ own pages

Docker: What is Docker pricing?

Docker offers a freemium model with Docker Personal free, Docker Pro at $11/user/month, Docker Team at $16/user/month, and Docker Business at $24/user/month. Each tier includes Docker Desktop, Docker Hub, and Docker Scout with different usage limits.

Source
PHP: Is PHP free to use?

Yes, PHP is completely free and open-source software under the PHP Foundation governance. There are no licensing fees or paid tiers.

Source
Docker: Can I use Docker in production?

Yes. Docker is used extensively in production environments. However, for container orchestration at scale, Kubernetes is typically paired with Docker to automate deployment, scaling, and management across clusters.

Source
PHP: Does the PHP Foundation offer paid support?

The PHP Foundation accepts voluntary donations to support long-term development, but donations are optional and not required to use PHP.

Source
Docker: What are the main security concerns with Docker?

Key security risks include container breakout vulnerabilities through shared kernel exploits, daemon socket exposure that grants root access if compromised, weak isolation between containers, and credential leakage if secrets are embedded in images.

Source
Docker: Does Docker integrate with CI/CD systems?

Yes. Docker integrates with Jenkins, GitHub, and other CI/CD systems. The typical workflow involves GitHub repositories triggering automated builds in Jenkins, which prepare Dockerfiles and push images to Docker Hub for deployment.

Source
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