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<?php $array = [ 'row1' => 'row1', 'row2' => '', 'row3' => '', 'row4' => 'row4', ]; var_export( array_combine( array_keys($array), array_filter($array) + $array ) );
Output for git.master, git.master_jit
array ( 'row1' => 'row1', 'row2' => 'row4', 'row3' => '', 'row4' => '', )

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