VCard.php
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	<?php

	namespace Sabre\VObject\Splitter;

	use
	Sabre\VObject,
	Sabre\VObject\Parser\MimeDir;

	/**
	* Splitter
	*
	* This class is responsible for splitting up VCard objects.
	*
	* It is assumed that the input stream contains 1 or more VCARD objects. This
	* class checks for BEGIN:VCARD and END:VCARD and parses each encountered
	* component individually.
	*
	* @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
	* @author Dominik Tobschall
	* @author Armin Hackmann
	* @license http://sabre.io/license/ Modified BSD License
	*/
	class VCard implements SplitterInterface {

	/**
	* File handle
	*
	* @var resource
	*/
	protected $input;

	/**
	* Persistent parser
	*
	* @var MimeDir
	*/
	protected $parser;

	/**
	* Constructor
	*
	* The splitter should receive an readable file stream as it's input.
	*
	* @param resource $input
	* @param int $options Parser options, see the OPTIONS constants.
	*/
	public function __construct($input, $options = 0) {

	$this->input = $input;
	$this->parser = new MimeDir($input, $options);

	}

	/**
	* Every time getNext() is called, a new object will be parsed, until we
	* hit the end of the stream.
	*
	* When the end is reached, null will be returned.
	*
	* @return Sabre\VObject\Component\|null
	*/
	public function getNext() {

	try {
	$object = $this->parser->parse();

	if (!$object instanceof VObject\Component\VCard) {
	throw new VObject\ParseException('The supplied input contained non-VCARD data.');
	}

	} catch (VObject\EofException $e) {
	return null;
	}

	return $object;

	}

	}

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