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<?php function breakPartitionsLongerThan ($partitions, $length) { $ret = array(); $partition = call_user_func_array ('array_merge', $partitions); $chunks = array_chunk ($partition, $length); if (count($chunks) > 1) for ($i = 0; $i < count ($chunks) - 1; $i++) // for every chunk except the last one, append the first address of the next chunk. $chunks[$i][] = $chunks[$i+1][0]; $ret = array_merge ($ret, $chunks); return $ret; } var_dump (breakPartitionsLongerThan([[1,2,3,4,5],[6,7,8,9]], 1));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(9) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(2) { [0]=> int(2) [1]=> int(3) } [2]=> array(2) { [0]=> int(3) [1]=> int(4) } [3]=> array(2) { [0]=> int(4) [1]=> int(5) } [4]=> array(2) { [0]=> int(5) [1]=> int(6) } [5]=> array(2) { [0]=> int(6) [1]=> int(7) } [6]=> array(2) { [0]=> int(7) [1]=> int(8) } [7]=> array(2) { [0]=> int(8) [1]=> int(9) } [8]=> array(1) { [0]=> int(9) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/RvdIs on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/RvdIs on line 17
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/RvdIs on line 17
Process exited with code 255.

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