Update minimum PHP version to 7.1.0

[eyupcanakman]

Summary

Fixes #111.

composer.json declares "php": ">=7.0.0" but the codebase uses nullable return types (e.g. ?SimpleHtmlDomInterface in SimpleHtmlDom::parentNode()) which require PHP 7.1+. This means composer install succeeds on PHP 7.0 but the code fails at runtime with a parse error.

This PR updates the minimum PHP version from >=7.0.0 to >=7.1.0 so Composer correctly rejects PHP 7.0 installations.

Evidence

src/voku/helper/SimpleHtmlDom.php:      public function parentNode(): ?SimpleHtmlDomInterface
src/voku/helper/SimpleHtmlDomBlank.php:  public function parentNode(): ?SimpleHtmlDomInterface

Nullable return types (?Type) were introduced in PHP 7.1 (RFC: https://wiki.php.net/rfc/nullable_types).

Test plan

• composer validate passes with no errors

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This change is 

Summary by CodeRabbit

• Chores
  • Updated minimum PHP version requirement to 7.1.0.

[coderabbitai]

Walkthrough

Updated the minimum PHP version requirement in composer.json from 7.0.0 to 7.1.0 to align with nullable type declarations used in the codebase.

Changes

Cohort / File(s)	Summary
PHP Version Constraint composer.json	Updated the "require" section PHP version constraint from ">=7.0.0" to ">=7.1.0" to support nullable type syntax.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A version bump, so small yet fine,
PHP 7.1, no longer nine-nought,
Nullable types now align,
With features that the code has sought! ✨

🚥 Pre-merge checks | ✅ 6

✅ Passed checks (6 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Update minimum PHP version to 7.1.0' clearly and concisely summarizes the main change in the changeset.
Linked Issues check	✅ Passed	The PR updates composer.json to require PHP >=7.1.0, directly addressing issue #111's requirement for nullable type support introduced in PHP 7.1.
Out of Scope Changes check	✅ Passed	The PR contains only a single, focused change to composer.json updating the PHP version constraint, which is directly scoped to the linked issue.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into master

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[gemini-code-assist]

Summary of Changes

Hello @eyupcanakman, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request resolves a critical compatibility issue by adjusting the declared minimum PHP version to align with the actual requirements of the codebase. Previously, the project allowed installation on PHP 7.0, but the presence of PHP 7.1-specific features like nullable return types led to runtime failures. By updating the composer.json to require PHP 7.1.0 or higher, this change guarantees that users will only install the project on compatible environments, thereby preventing unexpected parse errors and ensuring stable operation.

Highlights

• PHP Version Requirement Update: The minimum PHP version required for the project has been updated from ">=7.0.0" to ">=7.1.0" in the composer.json file.
• Runtime Compatibility Fix: This change addresses a compatibility issue where the codebase utilizes PHP 7.1 features, specifically nullable return types, which caused runtime parse errors on PHP 7.0 environments despite Composer allowing installation.
• Improved Dependency Management: Updating the requirement ensures that Composer correctly identifies and enforces the necessary PHP version, preventing installations on incompatible PHP 7.0 setups and ensuring stable operation.

Changelog

• composer.json
  • Updated the minimum PHP version requirement from ">=7.0.0" to ">=7.1.0".

Activity

• The pull request was created by eyupcanakman.
• No further human activity (comments, reviews) has been recorded yet.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[gemini-code-assist]

Code Review

This pull request correctly updates the minimum PHP version in composer.json to >=7.1.0. This is an important fix because the codebase uses nullable return types, a feature introduced in PHP 7.1. This change prevents the project from being installed on incompatible PHP versions, thus avoiding potential runtime errors. The change is well-justified and correctly implemented.