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<?php $string = 'Apple, Orange, Lemone'; var_export( array_reduce( explode(', ', $string), fn($result, $v) => $result + [strtolower($v) => $v], [] ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'apple' => 'Apple', 'orange' => 'Orange', 'lemone' => 'Lemone', )

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