A breakdown by groups with excess:
function array_chunk_greedy($arr, $count){
$arr = array_chunk($arr, $count);
if(($k = count($arr)-1) > 0){
if(count($arr[$k]) < $count){
$arr[$k-1] = array_merge($arr[$k-1], $arr[$k]);
unset($arr[$k]);
}
}
return $arr;
}
$arr = range(1, 13);
$arr = array_chunk_greedy($arr, 4);
print_r($arr);
[1,2,3,4,5,6,7,8,9,10,11,12,13] —> [1,2,3,4] [5,6,7,8] [9,10,11,12,13]
More examples:
[1,2,3,4,5,6,7,8,9,10,11,12] —> [1,2,3,4] [5,6,7,8] [9,10,11,12]
[1,2,3,4,5,6,7,8,9,10,11,12,13] —> [1,2,3,4] [5,6,7,8] [9,10,11,12,13]
[1,2,3,4,5,6,7,8,9,10,11,12,13,14] —> [1,2,3,4] [5,6,7,8] [9,10,11,12,13,14]
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15] —> [1,2,3,4] [5,6,7,8] [9,10,11,12,13,14,15]
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16] —> [1,2,3,4] [5,6,7,8] [9,10,11,12] [13,14,15,16]
Example report:
$arr = range(1, 45);
$arr = array_chunk_lazy($arr, 10);
$arr = array_map(function($sub_value) {
return implode('<br>', $sub_value);
}, $arr);
$title = '<h2>title</h2>';
$arr = $title.implode($title, $arr).$title;
echo $arr;
