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<?php $array = [ ['N', 'N', 'Y', 'Y', 'Y', 'Y'], ['N', 'N', 'Y', 'Y', 'N', 'Y'], ['N', 'N', 'Y', 'Y', 'N', 'Y'], ['Y', 'Y', 'Y', 'Y', 'Y', 'Y'], ]; var_export( array_map( fn(...$column) => implode(',', $column), ...$array ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'N,N,N,Y', 1 => 'N,N,N,Y', 2 => 'Y,Y,Y,Y', 3 => 'Y,Y,Y,Y', 4 => 'Y,N,N,Y', 5 => 'Y,Y,Y,Y', )

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