Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
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3 | class WP_Test_Jetpack_IDC extends WP_UnitTestCase { |
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4 | View Code Duplication | function test_clear_all_idc_options_clears_expected() { |
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