Build grid rows based on columns widths array PHP - php

Question

I have an array of column widths + content that I need to process and build row based on them.
$content = array(
'100',
'80',
'25',
'25',
'25',
'25',
'50',
'50',
'-1',
'33.333333333333',
'33.333333333333',
'33.333333333333',
'50',
'50',
'100',
'16.666666666667',
'-1'
);
-1 means that this is not a column , but a text or shortcode and it should not be wrapped in to row.
from the above array desired processed array should be
$content = array(
'[row]100[/row]',
'[row]80[/row]',
'[row]25',
'25',
'25',
'25[/row]',
'[row]50',
'50[/row]',
'-1',
'[row]33.333333333333',
'33.333333333333',
'33.333333333333[/row]',
'[row]50',
'50[/row]',
'[row]100[/row]',
'[row]16.666666666667[/row]',
'-1'
);
I have tried a loop with a starting accumulator 0 that I was adding width from loop but is simply buggy.
Any help is appreciated.

Answer 1

Map your array.
$start = [
'100',
'80',
'25',
// ...removed for brevity
];
function process(array $data) {
$output = array_map(function ($row, $index) use ($data) {
if ($row == '-1') {
return '-1';
}
$value = $row;
$previousIndex = $index - 1;
$nextIndex = $index + 1;
// Check previous row
if (
// There's a row and it's different
(isset($data[$previousIndex]) && $data[$previousIndex] != $row)
||
// There's no row, we're on the beggining of the list
!isset($data[$previousIndex])
) {
$value = '[row]' . $value;
}
// Check next row
if (
// There is a next row and it's different
(isset($data[$nextIndex]) && $data[$nextIndex] != $row)
||
// There's no next row, we're on the end of the list
!isset($data[$nextIndex])
) {
$value = $value . '[/row]';
}
return $value;
}, $data, array_keys($data));
return $output;
}

Answer 2

$sum = 100;
$new_content = array();
$prev = false;
for($i=0;$i<count($content);$i++){
$num = $content[$i];
$diff = $sum-$num;
echo $num.'=>'.$diff.',';
if(!$prev && $diff==0){
$new_content[] = "[row]".$content[$i]."[/row]";
}
if($diff==0 && $prev){
$new_content[] = $content[$i]."[/row]";
$sum=100;
$prev = false;
}
if($diff>0 && $diff<100 && $prev && $content[$i]!=-1){
$new_content[] = $content[$i];
$sum = $diff;
$prev = true;
}
if($diff>0 && $diff<100 && !$prev){
$new_content[] = "[row]".$content[$i];
$sum = $diff;
$prev = true;
}
if($diff<0){
$new_content[] = "[/row][row]".$content[$i];
$sum = 100-$content[$i];
$prev = true;
}
if($content[$i]==-1 && $prev){
$new_content[] = "[/row]".$content[$i];
}else if($content[$i]==-1){
$new_content[] = $content[$i];
}
}
print_r($new_content);