Revert "Update dependency google/apiclient to v2.18.3 (#585)"

[Akhill2020]

Description: As per discussion I have merge the google API version change into main after as it is BFCM sale is running so we decide to release this in January Si revert the changes, but I am not able to directly push the code undo into main as it is required 1 approval, SO create this PR. I have to push other issue related code and release so first I need to undo this changes from main.
This reverts commit bb600c4.

Clickup: https://app.clickup.com/t/86d0dvv33

[coderabbitai]

Walkthrough

Dependency versions in composer.json were downgraded: google/apiclient from 2.18.3 to 2.13.1 and PHP platform support reduced from 8.1 to 7.3.

Changes

Cohort / File(s)	Summary
Dependency Downgrades composer.json	Downgraded google/apiclient from 2.18.3 to 2.13.1; reduced PHP platform requirement from 8.1 to 7.3

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Verify compatibility of google/apiclient 2.13.1 with existing code that may use features introduced in 2.18.3
• Confirm PHP 7.3 compatibility with the rest of the codebase, particularly for any language features or functions used that require 8.1+

Suggested reviewers

• enginnk

Poem

🐰 Down, down the versions go,
Simpler paths we now bestow,
PHP seven-three takes the stage,
Google's client turns the page,
Compatibility reigns supreme! 🌿

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: reverting a dependency update from PR #585, which directly matches the actual changes in the changeset (downgrading google/apiclient and PHP version).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch revert-merge-fix

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[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between bb600c4 and 60935a5.

⛔ Files ignored due to path filters (1)

• composer.lock is excluded by !**/*.lock

📒 Files selected for processing (1)

• composer.json (2 hunks)

🔇 Additional comments (1)

composer.json (1)

28-28: No PHP 8.0+ syntax detected—downgrade to PHP 7.3 is safe.

The codebase contains no PHP 8.0+ language features (match expressions, union types in signatures, named arguments, or nullsafe operators). Type unions found in the search results are only in PHPDoc comments, which are compatible with PHP 7.3.

[coderabbitai]

⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

Verify codebase compatibility with google/apiclient 2.13.1.

This reverts to a significantly older version (2.13.1 vs. 2.18.3). Ensure that code using google/apiclient doesn't depend on APIs, behavior, or features introduced in versions 2.14.0–2.18.3.

Run the following to identify usages of the google/apiclient package in the codebase:

---

🏁 Script executed:

#!/bin/bash
# Search for direct usages of Google API client
rg -n 'Google\\' --type php -C 2

Length of output: 1398

---

🏁 Script executed:

#!/bin/bash
# Extract the actual method calls and property accesses on Google API client classes
rg -n -A 5 'Google_Client|Google_Service_Calendar' includes/feeds/google.php --type php | head -100

Length of output: 2182

---

🏁 Script executed:

#!/bin/bash
# Check if PHP version checks or PHP 8.1+ specific syntax is used in the codebase
rg -n 'PHP_VERSION|version_compare' includes/ --type php -C 2

Length of output: 6886

---

🏁 Script executed:

#!/bin/bash
# Look for any explicit google/apiclient version constraints or compatibility checks
rg -n 'apiclient|Google.*2\.' . -C 1

Length of output: 2254

---

Critical: PHP version mismatch between composer.json and code requirements.

The google/apiclient 2.13.1 downgrade is compatible with existing code—it uses only basic, stable API methods (setters, getters) that haven't changed across versions. However, this PR creates a conflict:

• composer.json line 55: PHP platform downgraded to 7.3
• includes/functions/admin.php line 440: Code requires minimum PHP 8.0

The codebase will fail with an error if PHP 7.3 is actually used. Either:

1. Keep PHP platform at 8.0 or higher in composer.json, or
2. Modify the PHP requirement check in includes/functions/admin.php to match the new platform version

🤖 Prompt for AI Agents

composer.json (line 34 and line 55) and includes/functions/admin.php (around
line 440): there is a PHP version mismatch — composer.json forces platform php
7.3 while admin.php enforces PHP >= 8.0; choose one fix and apply it
consistently: either update composer.json platform.php to "8.0" (or the actual
minimum required) and run composer update to regenerate lockfile, or change the
PHP requirement check in includes/functions/admin.php to accept 7.3 (or the
chosen platform version) so both files match; ensure the chosen version reflects
real code requirements and update related documentation/tests as needed.