Read sequence items and iterate through them. Uses new read_sequence_items method

nanodicom_read_sequences_improved.php

<?php
require 'nanodicom.php';
// test file is relative to current directory
$filename = 'test.dcm';
 
$dicom = Nanodicom::factory($filename);
$dicom->parse(array(array(0x5400, 0x0100)));
 
$WaveformSequence   = $dicom->value(0x5400, 0x0100);
$WaveformSequenceItems = $dicom->read_sequence_items($WaveformSequence);
$ChannelDefinitionSequence   = $dicom->dataset_value($WaveformSequenceItems[0], 0x003A, 0x0200);
$ChannelDefinitionSequenceItems = $dicom->read_sequence_items($ChannelDefinitionSequence);

foreach ($ChannelDefinitionSequenceItems as $item)
{
	$ChannelSourceSequence   = $dicom->dataset_value($item, 0x003A, 0x0208);
	$ChannelSourceSequenceItems = $dicom->read_sequence_items($ChannelSourceSequence);
	echo $dicom->dataset_value($ChannelSourceSequenceItems[0], 0x0008, 0x0100)."\n";
}
 
unset($dicom);