Fix the calc XSD encoder example on the new Dom API

[veewee]

Q	A
Type	bugfix
BC Break	no
Fixed issues

examples/calc-xsd-encoder.php crashed with a TypeError before it encoded anything. veewee/xml 4 hands out a PHP 8.4 Dom\Element, and goetas' SchemaReader::readNode() still only accepts the legacy DOMElement.

The example now passes the legacy document element from toUnsafeLegacyDocument(), the same way wsdl-reader's SchemaParser feeds schemas to goetas until that reader supports the new Dom API.

Summary by CodeRabbit

• Chores
  • Updated the calculator example’s XSD document-element handling. No user-facing behavior changes are specified.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: 21adef10-3f2c-418c-a9e7-7d448675e679

📥 Commits

Reviewing files that changed from the base of the PR and between 403a479 and bc92288.

📒 Files selected for processing: 1

• examples/calc-xsd-encoder.php

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📝 Walkthrough

The XSD encoder example now passes the document element from toUnsafeLegacyDocument() to SchemaReader instead of using locateDocumentElement().

Changes: XSD reader input

Layer / File(s)	Summary
Document element source examples/calc-xsd-encoder.php	SchemaReader now receives the document element from toUnsafeLegacyDocument() instead of locateDocumentElement().

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Bug fix

Merge Risk: ⚪ Minimal · up to bc922

The example now supplies the legacy document element required by the schema reader while retaining the same XSD root and file context. No actionable merge risk is established.

Pre-merge checks: 5

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the fix to the calc XSD encoder example for the new DOM API. It matches the main change in the pull request.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1 files.

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