public function __construct(array $options = array())
{
$defaultOptions = array('delimiter' => ',', 'enclosure' => '"', 'escape' => '\\', 'hasHeader' => true, 'header' => null, 'ignoreMissingRows' => false, 'ignoreMissingColumns' => false, 'combineFirstNRowsAsHeader' => 1, 'skipFirstNRows' => 0);
$unknownOptions = array_diff(array_keys($options), array_keys($defaultOptions));
if (count($unknownOptions) != 0) {
throw new InvalidArgumentException('Unknown options specified: ' . implode(', ', $unknownOptions));
}
if (array_key_exists('header', $options) && null !== $options['header'] && !array_key_exists('hasHeader', $options)) {
$options['hasHeader'] = false;
}
if (array_key_exists('ignoreMissingRows', $options)) {
$options['ignoreMissingColumns'] = $options['ignoreMissingRows'];
}
$this->options = array_merge($this->options, $defaultOptions, $options);
if ($this->options['hasHeader'] || null !== $this->options['header']) {
if (null === $this->options['header']) {
$it = $this->getLineIteratorWithHeaderInFirstLines();
} else {
$i = 0;
while ($this->options['skipFirstNRows'] > $i) {
$i++;
$this->retrieveNextCsvRow();
}
$it = $this->getLineIteratorWithHeader($this->options['header']);
}
} else {
$it = $this->getLineIteratorWithoutHeader();
}
parent::__construct($it, function ($r) {
return $r !== false;
});
}
public function __construct(PDO $pdo, $query, $params = array(), $fetchMode = PDO::FETCH_OBJ)
{
$pdoStatement = null;
$it = new CallbackIterator(function () use(&$pdoStatement, $pdo, $query, $params, $fetchMode) {
if (null === $pdoStatement) {
if (count($params) != 0) {
$pdoStatement = $pdo->prepare($query);
if (false === $pdoStatement) {
throw new Exception('Invalid query');
}
$pdoStatement->execute($params);
} else {
$pdoStatement = $pdo->query($query);
}
if (false === $pdoStatement) {
throw new Exception('Invalid query');
}
$pdoStatement->setFetchMode($fetchMode);
}
return $pdoStatement->fetch();
});
parent::__construct($it, function ($r) {
return $r !== false;
});
}
public function __construct($file, $options = array())
{
$defaultOptions = array('includeWhitespace' => false, 'fromEncoding' => null);
$unknownOptions = array_diff(array_keys($options), array_keys($defaultOptions));
if (count($unknownOptions) != 0) {
throw new InvalidArgumentException('Unknown options specified: ' . implode(', ', $unknownOptions));
}
$options = (object) array_merge($defaultOptions, $options);
if (is_resource($file)) {
$this->fileHandle = $file;
$this->closeFileHandleOnDestruct = false;
if (null !== $options->fromEncoding) {
throw new Exception('Source encoding can only be specified if constructed with file path');
}
} else {
if (is_string($file)) {
$this->fileHandle = @fopen($file, 'r');
if ($this->fileHandle === false) {
throw new InvalidArgumentException("Could not open file with path: '{$file}'");
}
if (null !== $options->fromEncoding) {
stream_filter_append($this->fileHandle, 'convert.iconv.' . $options->fromEncoding . '/UTF-8');
}
$this->closeFileHandleOnDestruct = true;
} else {
throw new InvalidArgumentException('You must provide either a stream or filename to the file line iterator, you provided a ' . gettype($file));
}
}
$fileHandle = $this->fileHandle;
$lineIterator = new CallbackIterator(function () use($fileHandle, $options) {
$line = fgets($fileHandle);
if ($line !== false && !$options->includeWhitespace) {
$line = rtrim($line, "\r\n");
}
return $line;
});
parent::__construct($lineIterator, function ($line) {
return $line !== false;
});
}
