CsvParser.php
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<?php
/**
* Created by PhpStorm.
* User: Cibermag
* Date: 26.08.2015
* Time: 17:00
*/
namespace backend\components\parsers;
use Yii;
use yii\base\ErrorException;
class CsvParser implements \IteratorAggregate {
/** @var bool */
private $hasHeaderRow;
/** @var resource */
private $file;
/** @var out encoding charset */
private $out_charset = 'UTF-8';
/** @var out encoding charset */
private $in_charset;
/** @var int - first line for parsing */
private $first_line;
/** @var int - first column for parsing */
private $first_column;
public function setup( $file, $first_line, $first_column, $hasHeaderRow = TRUE, $delimiter = ';')
{
$this->first_line = $first_line;
$this->first_column = $first_column;
$this->file = $file;
$this->file->setCsvControl($delimiter);
$this->file->setFlags(\SplFileObject::READ_CSV);
$this->file->seek( $this->first_line );
$this->in_charset = 'windows-1251';
$this->hasHeaderRow = $hasHeaderRow;
}
public function getIterator()
{
return new \ArrayIterator($this->read());
}
/**
* @return array
* @throws InvalidFileException
* @deprecated Use ::read instead.
*/
public function parseAll()
{
return $this->read();
}
/**
* @return array
* @throws InvalidFileException
*/
public function read()
{
// @todo add comments
$return = [];
$line = 0;
$keys = NULL;
while (($row = $this->readRow()) !== FALSE) {
$line++;
if ($this->hasHeaderRow) {
if ($keys === NULL) {
$keys = array_values($row);
} else {
if (count($keys) !== count($row)) {
//
Yii::warning("Invalid columns detected on line #$line .");
return $return;
}
$return[] = array_combine($keys, $row);
}
} else {
$return[] = $row;
}
}
$this->closeHandler();
return $return;
}
private function closeHandler()
{
$this->file = NULL;
}
private function readRow()
// @todo add comments
{
$dirt_value_arr = $this->file->fgetcsv( );
$dirt_value_arr = array_slice( $dirt_value_arr, $this->first_column );
$clear_arr = Encoder::encodeArray( $this->in_charset, $this->out_charset, $dirt_value_arr );
return $clear_arr;
}
// private function encodeArray( $array_to_encode )
// {
// return array_map(function($array_to_encode) {
// return iconv( $this->in_charset, $this->out_charset, $array_to_encode );
// }, $array_to_encode);
//
// }
}