<?php
require 'File/MARC.php';
// File_MARC offers the ability to add subfields at any point within
// an existing set of subfields
// First, create some subfields
// Then, create a field including those subfields
// Create some new subfields
// Append a new subfield to the existing set of subfields
// Expected order: a-z-g
$field->appendSubfield($subfield1);
// Insert a new subfield after the first subfield with code 'z'
// Expected order: a-z-k-g
$sf = $field->getSubfields('z');
// getSubfields() always returns an array; we just want the first subfield
$field->insertSubfield($subfield2, $sf[0]);
}
// Insert a new subfield prior to the first subfield with code 'z'
// Expected order: a-t-z-k-g
$sf = $field->getSubfield('z');
// getSubfield() simply returns the first matching subfield
if ($sf) {
$field->insertSubfield($subfield3, $sf, true);
}
// let's see the results
print $field;
print "\n";
?>