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<?php $array = array( 'a', 'b', 'c', 'd', 'e', 'f', 'g' ); $array = array_reverse($array); $chunk = array_chunk($array, 3); print_r($chunk); $chunk[count($chunk)-1][] = $chunk[0][count($chunk)-1]; unset($chunk[0][count($chunk)-1]); print_r($chunk); $array = array_map('array_reverse', $chunk); print_r(array_reverse($array));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => g [1] => f [2] => e ) [1] => Array ( [0] => d [1] => c [2] => b ) [2] => Array ( [0] => a ) ) Array ( [0] => Array ( [0] => g [1] => f ) [1] => Array ( [0] => d [1] => c [2] => b ) [2] => Array ( [0] => a [1] => e ) ) Array ( [0] => Array ( [0] => e [1] => a ) [1] => Array ( [0] => b [1] => c [2] => d ) [2] => Array ( [0] => f [1] => g ) )

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