read_pr.php

<?php
ini_set('display_errors', 'On');
error_reporting(E_ALL | E_STRICT);

require 'nanodicom.php';
// test file is relative to current directory
$filename = '1.2.826.0.1.3680043.2.1227.180222088.13140515165842.0.dcm';
 
$dicom = Nanodicom::factory($filename);
$dicom->parse();

$GAseq = $dicom->value(0x0070, 0x0001);
$GAitems = $dicom->read_sequence_items( $GAseq );	

foreach( $GAitems as $gaitem )
{		
	$GraphicLayer = $dicom->dataset_value( $gaitem, 0x0070, 0x0002);
	$TOSeq = $dicom->dataset_value( $gaitem, 0x0070, 0x0008);

	if ($TOSeq)
	{
		$TOitems = $dicom->read_sequence_items($TOSeq);
		foreach( $TOitems as $toitem )
		{
			echo "Yes!!";
		}
	}			
}	
unset($dicom);