Deprecation: #68128 - GeneralUtility slash-related methods

See forge#68128

Description

The following methods within GeneralUtility used to add or remove slashes have been marked as deprecated.

GeneralUtility::addSlashesOnArray()
GeneralUtility::stripSlashesOnArray()
GeneralUtility::slashArray()

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Impact

Any usage of these methods will trigger a deprecation log entry.

Affected Installations

Extensions that call these PHP methods directly.

Migration

Remove usage of these methods from custom extensions.