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<?php var_export( array2cols(range('a', 'r'), 12) ); function array2cols($array,$n){ $groups = array(); for($i=0;$i<$n;$i++){ $groups[$i] = array(); } $col = 0; foreach($array as $row){ $groups[$col][] = $row; $col = ($col+1)%$n; } return $groups; }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 0 => array ( 0 => 'a', 1 => 'm', ), 1 => array ( 0 => 'b', 1 => 'n', ), 2 => array ( 0 => 'c', 1 => 'o', ), 3 => array ( 0 => 'd', 1 => 'p', ), 4 => array ( 0 => 'e', 1 => 'q', ), 5 => array ( 0 => 'f', 1 => 'r', ), 6 => array ( 0 => 'g', ), 7 => array ( 0 => 'h', ), 8 => array ( 0 => 'i', ), 9 => array ( 0 => 'j', ), 10 => array ( 0 => 'k', ), 11 => array ( 0 => 'l', ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 0 => 'a', 1 => 'm', ), 1 => array ( 0 => 'b', 1 => 'n', ), 2 => array ( 0 => 'c', 1 => 'o', ), 3 => array ( 0 => 'd', 1 => 'p', ), 4 => array ( 0 => 'e', 1 => 'q', ), 5 => array ( 0 => 'f', 1 => 'r', ), 6 => array ( 0 => 'g', ), 7 => array ( 0 => 'h', ), 8 => array ( 0 => 'i', ), 9 => array ( 0 => 'j', ), 10 => array ( 0 => 'k', ), 11 => array ( 0 => 'l', ), )

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