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<?php $arr = ['something', 'something else', 'another something']; $old_value = ""; foreach ($arr as $key => $value) { if ($old_value == $value) { $colour = 'blue'; } else { $colour = 'yellow'; $old_value = $value; } echo 'old_value=' . $old_value; }
Output for git.master, git.master_jit, rfc.property-hooks
old_value=somethingold_value=something elseold_value=another something

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