/**
* Field init function
*
* Create a new {@link File_MARC_Control_Field} object from passed arguments
*
* @param string $tag tag
* @param string $data control field data
* @param string $ind1 placeholder for class strictness
* @param string $ind2 placeholder for class strictness
*/
function __construct($tag, $data, $ind1 = null, $ind2 = null)
{
$this->data = $data;
parent::__construct($tag);
}
/**
* {@link File_MARC_Data_Field} constructor
*
* Create a new {@link File_MARC_Data_Field} object. The only required
* parameter is a tag. This enables programs to build up new fields
* programmatically.
*
* <code>
* // Example: Create a new data field
*
* // We can optionally create an array of subfields first
* $subfields[] = new File_MARC_Subfield('a', 'Scott, Daniel.');
*
* // Create the new 100 field complete with a _a subfield and an indicator
* $new_field = new File_MARC_Data_Field('100', $subfields, 0, null);
* </code>
*
* @param string $tag tag
* @param array $subfields array of {@link File_MARC_Subfield} objects
* @param string $ind1 first indicator
* @param string $ind2 second indicator
*/
function __construct($tag, array $subfields = null, $ind1 = null, $ind2 = null)
{
$this->subfields = new File_MARC_List();
parent::__construct($tag);
$this->ind1 = $this->_validateIndicator($ind1);
$this->ind2 = $this->_validateIndicator($ind2);
// we'll let users add subfields after if they so desire
if ($subfields) {
$this->addSubfields($subfields);
}
}
