CsvParser.php
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<?php
/**
* Created by PhpStorm.
* User: Cibermag
* Date: 26.08.2015
* Time: 17:00
*/
namespace app\components\parsers;
use Yii;
use yii\base\ErrorException;
class CsvParser implements \IteratorAggregate {
/** @var string */
private $filePath;
/** @var bool */
private $hasHeaderRow;
/** @var string */
private $delimiter;
/** @var string */
private $enclosure;
/** @var string */
private $escape;
/** @var resource */
private $handler;
/** @var out encoding charset */
private $out_charset = 'UTF-8';
/** @var out encoding charset */
public $in_charset;
/** @var out encoding charset */
public $first_line;
public function __construct($filePath, $first_line = 0,$hasHeaderRow = TRUE)
{
$this->in_charset = 'windows-1251';
$this->filePath = $filePath;
$this->hasHeaderRow = $hasHeaderRow;
$this->first_line = $first_line;
}
// public function encodeFile( $in_charset, $out_charset, $filePath ){
//
// $old_content = file_get_contents( $filePath );
// $encode_content = iconv( $in_charset, $out_charset, $old_content );
// $file = @fopen( $filePath, "w" );
// fwrite( $file, $encode_content );
// @fclose( $file );
//
// }
/**
* @param string $delimiter
* @param string $enclosure
* @param string $escape
* @return $this
*/
public function setup($delimiter = ';', $enclosure = '"', $escape = '\\')
{
$this->handler->setCsvControl($delimiter);
}
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()
{
$return = [];
$this->openHandler();
$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 openHandler()
{
try {
$this->handler = new \SplFileObject( $this->filePath , 'r' );;
} catch (ErrorException $e) {
Yii::warning("Ошибка открытия файла {$this->filePath}");
}
$this->handler->setFlags(\SplFileObject::READ_CSV);// | \SplFileObject::READ_AHEAD | \SplFileObject::SKIP_EMPTY | \SplFileObject::DROP_NEW_LINE);
$this->handler->fseek( $this->first_line );
$this->setup();
}
private function closeHandler()
{
$this->handler = NULL;
}
private function readRow()
{
$dirt_value_arr = $this->handler->fgetcsv( );
return $this->encodeArray( $dirt_value_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);
}
}