refactor: safe PHP 7.4 modernization#11

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somethingwithproof wants to merge 11 commits intoCacti:developfrom

somethingwithproof:refactor/modernization

Commits on Apr 9, 2026

refactor: add strict typing and clean up standalone infra
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refactor: safe PHP 7.4 modernization (arrays, null coalescing)
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Commits on Apr 10, 2026

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fix: restore is_array/in_array calls and remove .omc artifacts
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fix: restore corrupted function calls from refactor tool
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fix: default seed and key in process_device to avoid undefined globals
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Commits on Apr 11, 2026

fix(security): harden wmi sql and confirmation handling
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