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Handle Headers (empty or duplicated header) #259

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Handle Headers (empty or duplicated header) #259

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0c3bb52
Critical changs
masoodvahid Mar 7, 2022
cadf144
Update Importable.php
masoodvahid Mar 7, 2022
b0c85f1
Update Importable.php
masoodvahid Mar 8, 2022
fac652a
Update Importable.php
masoodvahid Mar 8, 2022
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53 changes: 42 additions & 11 deletions src/Importable.php
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Original file line number Diff line number Diff line change
Expand Up @@ -138,27 +138,29 @@ private function importSheet(SheetInterface $sheet, callable $callback = null)
$collection = [];
$count_header = 0;

foreach ($sheet->getRowIterator() as $k => $rowAsObject) {
$row = $rowAsObject->toArray();
if ($k >= $this->start_row) {
foreach ($sheet->getRowIterator() as $row => $columnsAsObject) {
$columns = $columnsAsObject->toArray();
$count_columns = count($columns);

if ($row >= $this->start_row) {
if ($this->with_header) {
if ($k == $this->start_row) {
$headers = $this->toStrings($row);
if ($row == $this->start_row) {
$headers = $this->toStrings($columns);
$count_header = count($headers);
continue;
}
if ($count_header > $count_row = count($row)) {
$row = array_merge($row, array_fill(0, $count_header - $count_row, null));
} elseif ($count_header < $count_row = count($row)) {
$row = array_slice($row, 0, $count_header);
if ($count_header > $count_columns) {
$columns = array_merge($columns, array_fill(0, $count_header - $count_columns, null));
} elseif ($count_header < $count_columns) {
$columns = array_slice($columns, 0, $count_header);
}
}
if ($callback) {
if ($result = $callback(empty($headers) ? $row : array_combine($headers, $row))) {
if ($result = $callback(empty($headers) ? $columns : array_combine($headers, $columns))) {
$collection[] = $result;
}
} else {
$collection[] = empty($headers) ? $row : array_combine($headers, $row);
$collection[] = $this->with_header ? $this->checkHeaders($headers, $columns) : $columns;
}
}
}
Expand Down Expand Up @@ -187,4 +189,33 @@ private function toStrings($values)

return $values;
}

/**
* if not actived => Empty column headers skipped and their values(rows) not appear on your results
* => Duplicate headers replaced
*
* if actived => Empty column headers named by "COL_INDEX"
* => Duplicate headers rename and add "COL_INDEX" to it
* just set third parameter to False and it works as always be
*
* @param $headers
* @param $columns
* @param true $active
* @return array|mixed
*/
private function checkHeaders($headers, $columns, $active = true){
$result = [];
if($active){
foreach($headers as $index => $header){
/* Name COL_XX for empty headers */
$key = empty($header) ? 'COL_'.$index : $header;
/* Duplicate headers check and add col_index to duplicated ones */
$key = array_key_exists($key, $result) ? $key."_".$index : $key;
$result[$key] = $columns[$index];
}
}else{
$result = empty($headers) ? $columns : array_combine($headers, $columns);
}
return $result;
}
}