VCard.php
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VCard.php
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	<?php

	namespace Sabre\VObject\Splitter;

	use Sabre\VObject;

	/**
	* 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) 2007-2013 fruux GmbH (https://fruux.com/).
	* @author Dominik Tobschall
	* @author Armin Hackmann
	* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
	*/
	class VCard implements SplitterInterface {

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

	/**
	* Constructor
	*
	* The splitter should receive an readable file stream as it's input.
	*
	* @param resource $input
	*/
	public function __construct($input) {

	$this->input = $input;

	}

	/**
	* 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() {

	$vcard = '';

	do {

	if (feof($this->input)) {
	return false;
	}

	$line = fgets($this->input);
	$vcard .= $line;

	} while(strtoupper(substr($line,0,4))!=="END:");

	$object = VObject\Reader::read($vcard);

	if($object->name !== 'VCARD') {
	throw new \InvalidArgumentException("Thats no vCard!", 1);
	}

	return $object;

	}

	}