function current()
{
$current = $this->_iterator->current();
return $this->_pipe->process($current);
}
/**
* Implentation of the Iterator SPL class for Rewind(),
* prepares the whole datasource for an entirely new iterator operation
*
* @access public
*/
public function rewind()
{
$this->datasource->rewind();
//Process the transformers
if ($this->valid()) {
$this->transformedData = $this->transform($this->datasource->current(), $this->datasource->key());
}
}
/**
* Return the current element.
*
* @return mixed
*/
public function current()
{
if (null !== $this->_current) {
return $this->_current;
}
$demuxer = $this->_demuxer;
return $this->_current = $demuxer($this->_iterator->current());
}
public static function findMinMax(\Traversable $it, callback $extractor = null)
{
if ($extractor === null) {
$extractor = function ($value) {
return $value;
};
}
$min = $max = $extractor($it->current());
$it->next();
$value = $extractor($it->current());
while ($it->valid()) {
if ($value > $max) {
$max = $value;
} elseif ($value < $min) {
$min = $value;
}
$it->next();
$value = $it->current();
}
return array($min, $max);
}
/**
* Return the current element.
*
* @return mixed
*/
public function current()
{
return $this->_iterator->current();
}
/**
* Filter out duplicate items by advancing to the next ones
*/
protected function filterViaNext()
{
while ($this->valid()) {
$rel = $this->iter->current();
// path relative to given directory
$path = $this->params['dir'] . "/{$rel}";
// full storage path
if ($this->backend->isSingleShardPathInternal($path)) {
break;
// path is only on one shard; no issue with duplicates
} elseif (isset($this->multiShardPaths[$rel])) {
// Don't keep listing paths that are on multiple shards
$this->iter instanceof Iterator ? $this->iter->next() : next($this->iter);
} else {
$this->multiShardPaths[$rel] = 1;
break;
}
}
}
/**
* Returns the current value from the iterator
*
* @return Mixed
*/
function current()
{
return isset($this->offset) ? $this->inner->current() : NULL;
}
/**
* Implentation of the Iterator SPL class for Current(),
* returns the current element of the data source
* Returns null if nothing found
*
* @access public
*
* @return mixed Current value of the iterator
*/
public function current()
{
return $this->datasource->current();
}
public function current()
{
return $this->input->current();
}
/**
* Example of applying a callback to capitalize the first letter.
*
* Note that you must return TRUE from the callback function to continue
* iterating. This can be useful if you wish to stop iteration under
* certain conditions.
*
* @param Iterator $it
* @return bool
*/
function addDbPrefix(Traversable $it, $prefix = 'test')
{
echo $it[$it->key()] = $prefix . '_' . $it->current();
echo PHP_EOL;
return true;
}
