Drop unused YAML PHP extension as optional dependency#1802
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ngandrass wants to merge 2 commits into
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Description
We are currently switching from the deprecated PECL over to PIE. During this process we found that the STACK question type still has an optional dependency on the yaml PHP extension.
The yaml extension was introduced in 2020 as per a57f18f as a side-effect of requiring the mbstring PHP extension (probably an import from earlier?).
The commit 3ceabf4 introduced the alternative implementation symfony/yaml and 940bb61 finally removed the last use of any yaml PHP extension function. Threfore I propose dropping the old yaml PECL extension from the list of optional dependencies.
Changes
This PR:
environment.xmlby adding a missing</PHP_EXTENSIONS>closing tag as per fd30d7d