csv/src/Deblan/Csv/CsvStreamParser.php

70 lines
1.4 KiB
PHP

<?php
namespace Deblan\Csv;
/**
* class Csv.
*
* @author Simon Vieille <simon@deblan.fr>
*/
class CsvStreamParser extends CsvParser
{
/**
* @var resource
*/
protected $resource;
/**
* @var int
*/
protected $length;
/**
* Parse a stream.
*
* @param resource $resource
* @param int $length
*/
public function parseStream($resource, ? int $length = 0): void
{
if (!is_resource($resource)) {
throw new \InvalidArgumentException('First argument must be a valid resource.');
}
$this->resource = $resource;
$this->length = $length;
}
/**
* Get data of the stream parsing.
*
* @return null|array
*/
public function getData(): ? array
{
$csv = fgetcsv($this->resource, $this->length, $this->delimiter, $this->enclosure);
if ($csv === false) {
return null;
}
$isHeaders = $this->hasHeaders && empty($this->headers);
if ($isHeaders) {
$this->headers = $csv;
return $csv;
}
if (!$isHeaders && $this->hasHeaders && !empty($this->headers)) {
foreach ($this->headers as $key => $header) {
$csv[$header] = isset($csv[$key]) ? $csv[$key] : null;
}
}
$this->datas[] = $csv;
return $csv;
}
}