Read from S3 aws

s3.php

/**
	 * Get data from S3 as Stream Wrapper
	 * @param $catalogId
	 * @param $fileName
	 * @param bool $headerOnly
	 * @param int $numRow
	 * @return array
	 */
	public function getContentCsvS3($catalogId, $fileName, $headerOnly = false, $numRow = 0) {
		$s3Client = S3Client::factory(array('key' => S3KEY_FEED, 'secret' => S3SECRET_FEED));
		$s3Client->registerStreamWrapper();
		$key = S3PATH_FEED . "{$catalogId}/upload/$fileName";
		$url = 's3://' . S3BUCKETNAME_FEED.  "{$key}";

		# Check delimiter here
		$delimiter = ',';
		if (($handle = fopen($url, "r")) !== FALSE) {
			#get delimiter for this file (csv, tsv)
			$helper = new ProductFeedHelper();
			$delimiter = $helper->getCsvDelimiter($handle);
			fclose($handle);
		}

		#start read file content
		$csvRows = [];
		$currentRow = 0;
		if (($handle = fopen($url, "r")) !== FALSE) {
			try {
				$header = 1;
				while (($data = fgetcsv($handle, 0, $delimiter)) !== FALSE) {
					foreach ($data as &$col) {
						if ($header) {
							$col = strtolower($this->stdReadableCharacter(mb_convert_encoding($col, 'utf-8')));
						} else {
							$col = mb_convert_encoding($col, 'utf-8', "ASCII,JIS,UTF-8,EUC-JP,SJIS");
							$currentRow++;
						}
					}
					$header = 0;
					$csvRows[] = $data;
					if($headerOnly || ($numRow > 0 && $currentRow == $numRow)) {
						break;
					}
				}
				fclose($handle);
			} catch (Exception $e) {
				fclose($handle);
			}
		}
		return $csvRows;
	}