/**
* Filter data.
* This method is called whenever data is read from or written to the attach
* stream.
*
* @param resource $in A resource pointing to a bucket brigade
* which contains one or more bucket
* objects containing data to be filtered.
* @param resource $out A resource pointing to a second bucket
* brigade into which your modified buckets
* should be replaced.
* @param int &$consumed Which must always be declared by
* reference, should be incremented by the
* length of the data which your filter
* reads in and alters.
* @param bool $closing If the stream is in the process of
* closing (and therefore this is the last
* pass through the filterchain), the
* closing parameter will be set to true.
* @return int
*/
public function filter($in, $out, &$consumed, $closing)
{
$return = self::FEED_ME;
$iBucket = new Stream\Bucket($in);
while (false === $iBucket->eob()) {
$this->_buffer .= $iBucket->getData();
$consumed += $iBucket->getLength();
}
if (null !== $consumed) {
$return = self::PASS_ON;
}
if (true === $closing) {
$stream = $this->getStream();
$this->compute();
$bucket = new Stream\Bucket($stream, Stream\Bucket::IS_A_STREAM, $this->_buffer);
$oBucket = new Stream\Bucket($out);
$oBucket->append($bucket);
$return = self::PASS_ON;
$this->_buffer = null;
}
return $return;
}
/**
* Filter data.
* This method is called whenever data is read from or written to the attach
* stream.
*
* @param resource $in A resource pointing to a bucket brigade
* which contains one or more bucket
* objects containing data to be filtered.
* @param resource $out A resource pointing to a second bucket
* brigade into which your modified buckets
* should be replaced.
* @param int &$consumed Which must always be declared by
* reference, should be incremented by the
* length of the data which your filter
* reads in and alters.
* @param bool $closing If the stream is in the process of
* closing (and therefore this is the last
* pass through the filterchain), the
* closing parameter will be set to true.
* @return int
*/
public function filter($in, $out, &$consumed, $closing)
{
$iBucket = new Stream\Bucket($in);
$oBucket = new Stream\Bucket($out);
while (false === $iBucket->eob()) {
$consumed += $iBucket->getLength();
$oBucket->append($iBucket);
}
unset($iBucket);
unset($oBucket);
return self::PASS_ON;
}
