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Part of meta-issue #2002650: [meta, no patch] improve maintainability by removing unused local variables
File /core/modules/field/field.info.inc
Line 289: Unused local variable $key
Comments
Comment #1
chertzogClosing as part of #2080623: Remove Unused local variable $details from /core/modules/field/tests/modules/field_test/field_test.storage.inc