Drop support for PHP 7.1-7.4 and add support for PHP 8.5

[YaroslavStryhun]

Hello!

• Type: bug fix | new feature | code quality | documentation
• Link to issue:

In raising this pull request, I confirm the following (please check boxes):

• I have read and understood the Contributing Guidelines?
• I have checked that another pull request for this purpose does not exist.
• I wrote some tests for this PR.

Small description of change:

Thanks

Summary by CodeRabbit

• Chores
  • Updated minimum PHP requirement to 8.0; added support for PHP 8.5.
  • Removed PHP 7.1–7.4 compatibility.
  • Updated CI/CD pipeline and project documentation.

[coderabbitai]

Walkthrough

The pull request updates PHP version support constraints across configuration files, CI workflows, and documentation. It removes PHP 7.x support, establishes PHP 8.0+ as the minimum requirement, and adds support for PHP 8.5.

Changes

Cohort / File(s)	Summary
CI Configuration .github/workflows/pr.yml	Updated PHP version test matrix to remove PHP 7.x and 8.0-8.4, now testing only PHP 8.0-8.5.
Package Configuration composer.json	Updated PHP runtime constraint from ^7.1 || ^8.0 to ^8.0, removing PHP 7.x support.
Documentation README.md, CHANGELOG.md	Updated PHP support matrix in README badge and version list; added changelog entries documenting PHP 8.5 support and PHP 7.1-7.4 removal.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and specifically describes the main changes: removing PHP 7.1–7.4 support and adding PHP 8.5 support, which are the core updates reflected across all modified files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch php-versions-fix

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[Snyk-Agent]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Code Security	0	0	0	0	0 issues

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@CHANGELOG.md`:
- Around line 338-340: Remove the two unused version reference link entries (the
lines that define the compare URLs for "[4.0.0]" and "[3.24.0]" which are adding
noise and triggering markdown-lint warnings) and re-add a top-level
"[Unreleased]" compare reference link pointing to the repository compare URL for
the unreleased range; update the bottom references block to include only active
version compare links and the new "[Unreleased]" link so the changelog no longer
contains the unused references.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e5b5ed85-ad5a-4ff0-bc30-95e8f659f46a

📥 Commits

Reviewing files that changed from the base of the PR and between 4e59b8e and 28d4539.

📒 Files selected for processing (4)

• .github/workflows/pr.yml
• CHANGELOG.md
• README.md
• composer.json

[eleven4y]

required

Why are we checked our service within few versions of PHP?