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<?php
/**
 * Build (create) and fetch vCard 2.1 and 3.0 text blocks.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to license@php.net so we can mail you a copy immediately.
 *
 * @category  File_Formats
 * @package   Contact_Vcard_Build
 * @author    Paul M. Jones <pjones@ciaweb.net>
 * @copyright 1997-2007 The PHP Group
 * @license   http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version   CVS: $Id: Build.php,v 1.10 2007/11/19 01:22:27 till Exp $
 * @link      http://pear.php.net/package/Contact_Vcard_Build
 */

// Part numbers for N components
define('VCARD_N_FAMILY', 0);
define('VCARD_N_GIVEN', 1);
define('VCARD_N_ADDL', 2);
define('VCARD_N_PREFIX', 3);
define('VCARD_N_SUFFIX', 4);

// Part numbers for ADR components
define('VCARD_ADR_POB', 0);
define('VCARD_ADR_EXTEND', 1);
define('VCARD_ADR_STREET', 2);
define('VCARD_ADR_LOCALITY', 3);
define('VCARD_ADR_REGION', 4);
define('VCARD_ADR_POSTCODE', 5);
define('VCARD_ADR_COUNTRY', 6);

// Part numbers for GEO components
define('VCARD_GEO_LAT', 0);
define('VCARD_GEO_LON', 1);

/**
 * @ignore
 */
require_once 'PEAR.php';

/**
 * This class builds a single vCard (version 3.0 or 2.1).
 *
 * General note: we use the terms "set" "add" and "get" as function
 * prefixes.
 *
 * "Set" means there is only one iteration of a component, and it has
 * only one value repetition, so you set the whole thing at once.
 *
 * "Add" means eith multiple iterations of a component are allowed, or
 * that there is only one iteration allowed but there can be multiple
 * value repetitions, so you add iterations or repetitions to the current
 * stack.
 *
 * "Get" returns the full vCard line for a single iteration.
 *
 * @category  File_Formats
 * @package   Contact_Vcard_Build
 * @author    Paul M. Jones <pjones@ciaweb.net>
 * @copyright 1997-2007 The PHP Group
 * @license   http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version   Release: 1.1.2
 * @link      http://pear.php.net/package/Contact_Vcard_Build
 *
 */
class Contact_Vcard_Build extends PEAR
{
    /**
     * Values for vCard components.
     *
     * @access public
     * @var array
     */
    var $value = array();

    /**
     * Parameters for vCard components.
     *
     * @access public
     * @var array
     */
    var $param = array();

    /**
     * Tracks which component (N, ADR, TEL, etc) value was last set or added.
     * Used when adding parameters automatically to the proper component.
     *
     * @access public
     * @var string
     */
    var $autoparam = null;

    /**
     * Constructor.
     *
     * @param string $version The vCard version to build; affects which
     *                        parameters are allowed and which components
     *                        are returned by fetch().
     *
     * @access public
     * @return void
     * @see Contact_Vcard_Build::fetch()
     */
    function Contact_Vcard_Build($version = '3.0')
    {
        $this->PEAR();
        $this->setErrorHandling(PEAR_ERROR_PRINT);
        $this->setVersion($version);
    }

    /**
     * Prepares a string so it may be safely used as vCard values.  DO
     * NOT use this with binary encodings.  Operates on text in-place;
     * does not return a value.  Recursively descends into arrays.
     *
     * Escapes a string so that...
     *     : => \;
     *     ; => \;
     *     , => \,
     *     newline => literal \n
     *
     * @param mixed &$text The string or array or strings to escape.
     *
     * @access public
     * @return mixed Void on success, or a PEAR_Error object on failure.
     */
    function escape(&$text)
    {
        if (is_object($text)) {

            $msg = 'The escape() method works only with string literals and arrays.';
            return $this->raiseError($msg);

        }
        if (is_array($text)) {

            foreach ($text as $key => $val) {
                $this->escape($val);
                $text[$key] = $val;
            }
            return;
        }

        /*
        // escape colons not led by a backslash
        $regex = '(?<!\\\\)(\:)';
        $text  = preg_replace("/$regex/i", "\\:", $text);

        // escape semicolons not led by a backslash
        $regex = '(?<!\\\\)(\;)';
        $text  = preg_replace("/$regex/i", "\\;", $text);

        // escape commas not led by a backslash
        $regex = '(?<!\\\\)(\,)';
        $text  = preg_replace("/$regex/i", "\\,", $text);

        // escape newlines
        $regex = '\\n';
        $text  = preg_replace("/$regex/i", "\\n", $text);
        */

        // combined (per note from Daniel Convissor)
        $regex = '(?<!\\\\)([\:\;\,\\n])';
        $text  = preg_replace("/$regex/", '\\\$1', $text);
        
        // fix http(s)\:// to http(s)://
        $text = str_replace('http\://', 'http://', $text);
        $text = str_replace('https\://', 'http://', $text);
        
        return;
    }

    /**
     * Adds a parameter value for a given component and parameter name.
     *
     * Note that although vCard 2.1 allows you to specify a parameter
     * value without a name (e.g., "HOME" instead of "TYPE=HOME") this
     * class is not so lenient.  ;-)    You must specify a parameter name
     * (TYPE, ENCODING, etc) when adding a parameter.  Call multiple
     * times if you want to add multiple values to the same parameter.
     * E.g.:
     *
     * $vcard = new Contact_Vcard_Build();
     *
     * // set "TYPE=HOME,PREF" for the first TEL component
     * $vcard->addParam('TYPE', 'HOME', 'TEL', 0);
     * $vcard->addParam('TYPE', 'PREF', 'TEL', 0);
     *
     * @param string $param_name  The parameter name, such as TYPE, VALUE,
     *                            or ENCODING.
     * @param string $param_value The parameter value.
     * @param string $comp        The vCard component for which this is a
     *                            paramter (ADR, TEL, etc).  If null, will be
     *                            the component that was last set or added-to.
     * @param mixed  $iter        An integer vCard component iteration that this
     *                            is a param for.  E.g., if you have more than
     *                            one ADR component, 0 refers to the first ADR,
     *                            1 to the second ADR, and so on.  If null, the
     *                            parameter will be added to the last component
     *                            iteration available.
     *
     * @access public
     * @return mixed Void on success, or a PEAR_Error object on failure.
     */
    function addParam($param_name, $param_value, $comp = null, $iter = null)
    {
        // if component is not specified, default to the last component
        // that was set or added.
        if ($comp === null) {
            $comp = $this->autoparam;
        }

        // using a null iteration means the param should be associated
        // with the latest/most-recent iteration of the selected
        // component.
        if ($iter === null) {
            $iter = $this->countIter($comp) - 1;
        }

        // massage the text arguments
        $comp        = strtoupper(trim($comp));
        $param_name  = strtoupper(trim($param_name));
        $param_value = trim($param_value);

        if (! is_integer($iter) || $iter < 0) {

            $msg  = "$iter is not a valid iteration number for $comp; ";
            $msg .= "must be a positive integer.";
                        
            return $this->raiseError($msg);

        }

        $result = $this->validateParam($param_name, $param_value, $comp, $iter);

        if (PEAR::isError($result)) {
            return $result;
        }
        $this->param[$comp][$iter][$param_name][] = $param_value;

    }

    /**
     * Validates parameter names and values based on the vCard version
     * (2.1 or 3.0).
     *
     * @param string $name The parameter name (e.g., TYPE or ENCODING).
     * @param string $text The parameter value (e.g., HOME or BASE64).
     * @param string $comp Optional, the component name (e.g., ADR or
     *                     PHOTO). Only used for error messaging.
     * @param string $iter Optional, the iteration of the component.
     *                     Only used for error messaging.
     *
     * @access public
     * @return mixed Boolean true if the parameter is valid, or a
     * PEAR_Error object if not.
     *
     */
    function validateParam($name, $text, $comp = null, $iter = null)
    {
        $name = strtoupper($name);
        $text = strtoupper($text);

        switch ($comp) {
                        
        case 'TEL':
        case 'TEL;PREF;CELL':
        case 'TEL;PREF;VOICE':
        case 'TEL;PREF;FAX':
        case 'EMAIL':
        case 'ADR':
            break;

        default:
            // all param values must have only the characters A-Z 0-9 and -.
            if (preg_match('/[^a-zA-Z0-9\-]/i', $text)) {
                
                $msg  = "vCard [$comp] [$iter] [$name]: ";
                $msg .= 'The parameter value may contain only ';
                $msg .= 'a-z, A-Z, 0-9, and dashes (-).';
                                        
                return $this->raiseError($msg);
               
            }
            break;
        }
                
        if ($this->value['VERSION'][0][0][0] == '2.1') {

            // Validate against version 2.1 (pretty strict)

            $types = array (
                'DOM', 'INTL', 'POSTAL', 'PARCEL','HOME', 'WORK',
                'PREF', 'VOICE', 'FAX', 'MSG', 'CELL', 'PAGER',
                'BBS', 'MODEM', 'CAR', 'ISDN', 'VIDEO',
                'AOL', 'APPLELINK', 'ATTMAIL', 'CIS', 'EWORLD',
                'INTERNET', 'IBMMAIL', 'MCIMAIL',
                'POWERSHARE', 'PRODIGY', 'TLX', 'X400',
                'GIF', 'CGM', 'WMF', 'BMP', 'MET', 'PMB', 'DIB',
                'PICT', 'TIFF', 'PDF', 'PS', 'JPEG', 'QTIME',
                'MPEG', 'MPEG2', 'AVI',
                'WAVE', 'AIFF', 'PCM',
                'X509', 'PGP'
            );

            switch ($name) {

            case 'TYPE':
                if (! in_array($text, $types)) {
                    $msg  = "vCard 2.1 [$comp] [$iter]: ";
                    $msg .= "$text is not a recognized TYPE.";

                    $result = $this->raiseError($msg);
                } else {
                    $result = true;
                }
                break;
        
            case 'ENCODING':
                if ($text != '7BIT' &&
                    $text != '8BIT' &&
                    $text != 'BASE64' &&
                    $text != 'QUOTED-PRINTABLE') {
                    $msg  = "vCard 2.1 [$comp] [$iter]: ";
                    $msg .= "$text is not a recognized ENCODING.";

                    $result = $this->raiseError($msg);
                } else {
                    $result = true;
                }
                break;
        
            case 'CHARSET':
                // all charsets are OK
                $result = true;
                break;
        
            case 'LANGUAGE':
                // all languages are OK
                $result = true;
                break;
        
            case 'VALUE':
                if ($text != 'INLINE' &&
                    $text != 'CONTENT-ID' &&
                    $text != 'CID' &&
                    $text != 'URL' &&
                    $text != 'VCARD') {
            
                    $msg  = "vCard 2.1 [$comp] [$iter]: ";
                    $msg .= "$text is not a recognized VALUE.";

                    $result = $this->raiseError($msg);
                } else {
                    $result = true;
                }
                break;

            default:
                $msg  = "vCard 2.1 [$comp] [$iter]: ";
                $msg .= "$name is an unknown or invalid parameter name.";
                                        
                return $this->raiseError($msg);
                break;
            }

        } elseif ($this->value['VERSION'][0][0][0] == '3.0') {

            // Validate against version 3.0 (pretty lenient)

            switch ($name) {

            case 'TYPE':
                // all types are OK
                $result = true;
                break;
        
            case 'LANGUAGE':
                // all languages are OK
                $result = true;
                break;
        
            case 'ENCODING':
                if ($text != '8BIT' &&
                    $text != 'B') {

                    $msg  = "vCard 3.0 [$comp] [$iter]: ";
                    $msg .= "The only allowed ENCODING";
                    $msg .= " parameters are 8BIT and B.";

                    $result = $this->raiseError($msg);
                } else {
                    $result = true;
                }
                break;
        
            case 'VALUE':
                if ($text != 'BINARY' &&
                    $text != 'PHONE-NUMBER' &&
                    $text != 'TEXT' &&
                    $text != 'URI' &&
                    $text != 'UTC-OFFSET' &&
                    $text != 'VCARD') {

                    $msg  = "vCard 3.0 [$comp] [$iter]: The only allowed VALUE ";
                    $msg .= "parameters are ";
                    $msg .= "BINARY, PHONE-NUMBER, TEXT, URI, UTC-OFFSET,";
                    $msg .= " and VCARD.";
        
                    return $this->raiseError($msg);
                }
                $result = true;
                break;
        
            default:

                $msg  = "vCard 3.0 [$comp] [$iter]: ";
                $msg .= "Unknown or invalid parameter name ($name).";

                return $this->raiseError($msg);
                break;
            }

        } else {

            $msg = "[$comp] [$iter] Unknown vCard version number or other error.";
            return $this->raiseError($msg);

        }

        return $result;

    }

    /**
     * Gets back the parameter string for a given component.
     *
     * @param string $comp The component to get parameters for
     *               (ADR, TEL, etc).
     *
     * @param int    $iter The vCard component iteration to get the param
     *               list for.  E.g., if you have more than one ADR component,
     *               0 refers to the first ADR, 1 to the second ADR, and so on.
     *
     * @access public
     * @return string
     */
    function getParam($comp, $iter = 0)
    {
        $comp = strtoupper($comp);
        $text = '';

        if (isset($this->param[$comp][$iter]) &&
            is_array($this->param[$comp][$iter])) {

            // loop through the array of parameters for
            // the component

            foreach ($this->param[$comp][$iter] as $param_name => $param_val) {

                // if there were previous parameter names, separate with
                // a semicolon
                if ($text != '') {
                    $text .= ';';
                }

                if ($param_val === null) {

                    // no parameter value was specified, which is typical
                    // for vCard version 2.1 -- the name is the value.
                    $this->escape($param_name);
                    $text .= $param_name;

                } else {
                    // set the parameter name...
                    $text .= strtoupper($param_name) . '=';

                    // ...then escape and comma-separate the parameter
                    // values.
                    $this->escape($param_val);
                    $text .= implode(',', $param_val);
                }
            }
        }

        // if there were no parameters, this will be blank.
        return $text;
    }


    /**
     * Resets the vCard values and params to be blank.
     *
     * @param string $version The vCard version to reset to ('2.1' or
     *                        '3.0' -- default is the same version as
     *                        previously set).
     *
     * @access public
     * @return void
     */
    function reset($version = null)
    {
        $prev = $this->value['VERSION'][0][0][0];

        $this->value     = array();
        $this->param     = array();
        $this->autoparam = null;

        if ($version === null) {
            $this->setVersion($prev);
        } else {
            $this->setVersion($version);
        }
    }

    /**
     * Generic, all-purpose method to store a string or array in
     * $this->value, in a way suitable for later output as a vCard
     * element.  This forces the value to be the passed text or array
     * value, overriding any prior values.
     *
     * @param string $comp The component to set the value for ('N',
     *                     'ADR', etc).
     * @param int    $iter The component-iteration to set the value for.
     * @param int    $part The part number of the component-iteration to set
     *                     the value for.
     * @param mixed  $text A string or array; the set of repeated values
     *                     for this component-iteration part.
     *
     * @access public
     * @return void
     */
    function setValue($comp, $iter, $part, $text)
    {
        $comp = strtoupper($comp);
        settype($text, 'array');
        $this->value[$comp][$iter][$part] = $text;
        //mark this component as having been set.
        $this->autoparam = $comp;
    }

    /**
     * Generic, all-purpose method to add a repetition of a string or
     * array in $this->value, in a way suitable for later output as a
     * vCard element.  This appends the value to be the passed text or
     * array value, leaving any prior values in place.
     *
     * @param string $comp The component to set the value for ('N', 'ADR', etc).
     * @param int    $iter The component-iteration to set the value for.
     * @param int    $part The part number of the component-iteration to set
     *                     the value for.
     * @param mixed  $text A string or array; the set of repeated values
     *                     for this component-iteration part.
     *
     * @access public
     * @return void
     */
    function addValue($comp, $iter, $part, $text)
    {
        $comp = strtoupper($comp);

        settype($text, 'array');

        foreach ($text as $val) {
            $this->value[$comp][$iter][$part][] = $val;
        }
        $this->autoparam = $comp;
    }

    /**
     * Generic, all-purpose method to get back the data stored in $this->value.
     *
     * @param string $comp The component to set the value for ('N',
     *                     'ADR', etc).
     * @param int    $iter The component-iteration to set the value for.
     * @param int    $part The part number of the component-iteration to get
     *                     the value for.
     * @param mixed  $rept The repetition number within the part to get;
     *                     if null, get all repetitions of the part within the
     *                     iteration.
     *
     * @access public
     * @return string The value, escaped and delimited, of all
     *         repetitions in the component-iteration part (or specific
     *         repetition within the part).
     */
    function getValue($comp, $iter = 0, $part = 0, $rept = null)
    {
        if ($rept === null &&
            is_array($this->value[$comp][$iter][$part]) ) {

            // get all repetitions of a part
            $list = array();
            foreach ($this->value[$comp][$iter][$part] as $key => $val) {
                $list[] = trim($val);
            }

            $this->escape($list);
            return implode(',', $list);

        }

        // get a specific repetition of a part
        $text = trim($this->value[$comp][$iter][$part][$rept]);
        $this->escape($text);
        return $text;
    }

    /**
     * Sets the full N component of the vCard.  Will replace all other
     * values.  There can only be one N component per vCard.
     *
     * @param mixed $family Single (string) or multiple (array)
     *                      family/last name.
     * @param mixed $given  Single (string) or multiple (array)
     *                      given/first name.
     * @param mixed $addl   Single (string) or multiple (array)
     *                      additional/middle name.
     * @param mixed $prefix Single (string) or multiple (array) honorific
     *                      prefix such as Mr., Miss, etc.
     * @param mixed $suffix Single (string) or multiple (array) honorific
     *                      suffix such as III, Jr., Ph.D., etc.
     *
     * @access public
     * @return void
     */
    function setName($family, $given, $addl, $prefix, $suffix)
    {
        $this->autoparam = 'N';
        $this->setValue('N', 0, VCARD_N_FAMILY, $family);
        $this->setValue('N', 0, VCARD_N_GIVEN, $given);
        $this->setValue('N', 0, VCARD_N_ADDL, $addl);
        $this->setValue('N', 0, VCARD_N_PREFIX, $prefix);
        $this->setValue('N', 0, VCARD_N_SUFFIX, $suffix);
    }


    /**
     * Gets back the full N component (first iteration only, since there
     * can only be one N component per vCard).
     *
     * @access public
     * @return string The first N component-interation of the vCard.
     */
    function getName()
    {
        return $this->getMeta('N', 0) .
            $this->getValue('N', 0, VCARD_N_FAMILY) . ';' .
            $this->getValue('N', 0, VCARD_N_GIVEN) . ';' .
            $this->getValue('N', 0, VCARD_N_ADDL) . ';' .
            $this->getValue('N', 0, VCARD_N_PREFIX) . ';' .
            $this->getValue('N', 0, VCARD_N_SUFFIX);
    }

    /**
     * Sets the FN component of the card.  If no text is passed as the
     * FN value, constructs an FN automatically from N components.  There
     * is only one FN iteration per vCard.
     *
     * @param string $text Override the automatic generation of FN from N
     *                     elements with the specified text.
     *
     * @access public
     * @return mixed Void on success, or a PEAR_Error object on failure.
     */
    function setFormattedName($text = null)
    {
        $this->autoparam = 'FN';

        if ($text !== null) {
            $this->setValue('FN', 0, 0, $text);
            return;
        }

        // no text was specified for the FN, so build it
        // from the current N components if an N exists
        if (is_array($this->value['N'])) {

            // build from N.
            // first (given) name, first iteration, first repetition
            $text .= $this->getValue('N', 0, VCARD_N_GIVEN, 0);

            // add a space after, if there was text
            if ($text != '') {
                $text .= ' ';
            }

            // last (family) name, first iteration, first repetition
            $text .= $this->getValue('N', 0, VCARD_N_FAMILY, 0);

            // add a space after, if there was text
            if ($text != '') {
                $text .= ' ';
            }

            // last-name suffix, first iteration, first repetition
            $text .= $this->getValue('N', 0, VCARD_N_SUFFIX, 0);

            $this->setValue('FN', 0, 0, $text);
            return;
        }

        // no N exists, and no FN was set, so return.
        $msg = 'FN not specified and N not set; cannot set FN.';
        return $this->raiseError($msg);
    }

    /**
     * Gets back the full FN component value.  Only ever returns iteration
     * zero, because only one FN component is allowed per vCard.
     *
     * @access public
     * @uses   self::getMeta()
     * @return string The FN value of the vCard.
     * @uses   self::getMeta()
     */
    function getFormattedName()
    {
        return $this->getMeta('FN', 0) . $this->getValue('FN', 0, 0);
    }

    /**
     * Sets the version of the the vCard.  Only one iteration.
     *
     * @param string $text The text value of the verson text ('3.0' or '2.1').
     *
     * @access public
     * @return mixed Void on success, or a PEAR_Error object on failure.
     */
    function setVersion($text = '3.0')
    {
        $this->autoparam = 'VERSION';
        if ($text != '3.0' && $text != '2.1') {
            return $this->raiseError('Version must be 3.0 or 2.1 to be valid.');
        }
        $this->setValue('VERSION', 0, 0, $text);
    }

    /**
     * Gets back the version of the the vCard.  Only one iteration.
     *
     * @access public
     * @uses   self::getMeta()
     * @return string The data-source of the vCard.
     */
    function getVersion()
    {
        return $this->getMeta('VERSION', 0) . $this->getValue('VERSION', 0);
    }

    /**
     * Sets the data-source of the the vCard.  Only one iteration.
     *
     * @param string $text The text value of the data-source text.
     *
     * @access public
     * @return void
     */
    function setSource($text)
    {
        $this->autoparam = 'SOURCE';
        $this->setValue('SOURCE', 0, 0, $text);
    }

    /**
     * Gets back the data-source of the the vCard.  Only one iteration.
     *
     * @access public
     * @return string The data-source of the vCard.
     */
    function getSource()
    {
        return $this->getMeta('SOURCE', 0) . $this->getValue('SOURCE', 0, 0);
    }

    /**
     * Sets the displayed name of the vCard data-source.  Only one iteration.
     * If no name is specified, copies the value of SOURCE.
     *
     * @param string $text The text value of the displayed data-source
     *                     name. If null, copies the value of SOURCE.
     *
     * @access public
     * @return mixed Void on success, or a PEAR_Error object on failure.
     */
    function setSourceName($text = null)
    {
        $this->autoparam = 'NAME';

        if ($text === null) {
            if (is_array($this->value['SOURCE'])) {
                $text = $this->getValue('SOURCE', 0, 0);
            } else {
                $msg = 'NAME not specified and SOURCE not set; cannot set NAME.';
                return $this->raiseError($msg);
            }
        }

        $this->setValue('NAME', 0, 0, $text);
    }

    /**
     * Gets back the displayed data-source name of the the vCard.  Only
     * one iteration.
     *
     * @access public
     * @return string The data-source name of the vCard.
     */
    function getSourceName()
    {
        return $this->getMeta('NAME', 0) . $this->getValue('NAME', 0, 0);
    }

    /**
     * Sets the value of the PHOTO component.  There is only one allowed
     * per vCard.
     *
     * @param string  $text The value to set for this component.
     * @param boolean $url  True or false, depending if $text is one.
     *
     * @access public
     * @return void
     */
    function setPhoto($text, $url = false)
    {
        if ($url === false) {
            $this->autoparam = 'PHOTO';
            $this->setValue('PHOTO', 0, 0, $text);
            return;
        }
        $this->autoparam = 'PHOTO;VALUE=URI';
        $this->setValue('PHOTO;VALUE=URI', 0, 0, $text);
    }

    /**
     * Gets back the value of the PHOTO component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component or false if no photo is set.
     */
    function getPhoto()
    {
        if (isset($this->value['PHOTO'])) {
            return $this->getMeta('PHOTO') . $this->getValue('PHOTO', 0, 0);
        }
        if (isset($this->value['PHOTO;VALUE=URI'])) {
            return $this->getMeta('PHOTO;VALUE=URI') .
                $this->getValue('PHOTO;VALUE=URI', 0, 0);
        }
        return false;
    }

    /**
     * Sets the value of the LOGO component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setLogo($text)
    {
        $this->autoparam = 'LOGO';
        $this->setValue('LOGO', 0, 0, $text);
    }

    /**
     * Gets back the value of the LOGO component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getLogo()
    {
        return $this->getMeta('LOGO') . $this->getValue('LOGO', 0, 0);
    }

    /**
     * Sets the value of the SOUND component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setSound($text)
    {
        $this->autoparam = 'SOUND';
        $this->setValue('SOUND', 0, 0, $text);
    }

    /**
     * Gets back the value of the SOUND component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getSound()
    {
        return $this->getMeta('SOUND') . $this->getValue('SOUND', 0, 0);
    }

    /**
     * Sets the value of the KEY component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setKey($text)
    {
        $this->autoparam = 'KEY';
        $this->setValue('KEY', 0, 0, $text);
    }

    /**
     * Gets back the value of the KEY component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getKey()
    {
        return $this->getMeta('KEY') . $this->getValue('KEY', 0, 0);
    }

    /**
     * Sets the value of the BDAY component.  There is only one allowed
     * per vCard. Date format is "yyyy-mm-dd[Thh:ii[:ss[Z|-06:00]]]".
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setBirthday($text)
    {
        $this->autoparam = 'BDAY';
        $this->setValue('BDAY', 0, 0, $text);
    }

    /**
     * Gets back the value of the BDAY component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getBirthday()
    {
        return $this->getMeta('BDAY') . $this->getValue('BDAY', 0, 0);
    }

    /**
     * Sets the value of the TZ component.  There is only one allowed per
     * vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setTZ($text)
    {
        $this->autoparam = 'TZ';
        $this->setValue('TZ', 0, 0, $text);
    }

    /**
     * Gets back the value of the TZ component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getTZ()
    {
        return $this->getMeta('TZ') . $this->getValue('TZ', 0, 0);
    }

    /**
     * Sets the value of the MAILER component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setMailer($text)
    {
        $this->autoparam = 'MAILER';
        $this->setValue('MAILER', 0, 0, $text);
    }

    /**
     * Gets back the value of the MAILER component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getMailer()
    {
        return $this->getMeta('MAILER') . $this->getValue('MAILER', 0, 0);
    }

    /**
     * Sets the value of the NOTE component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setNote($text)
    {
        $this->autoparam = 'NOTE';
        $this->setValue('NOTE', 0, 0, $text);
    }

    /**
     * Gets back the value of the NOTE component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getNote()
    {
        return $this->getMeta('NOTE') . $this->getValue('NOTE', 0, 0);
    }

    /**
     * Sets the value of the TITLE component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setTitle($text)
    {
        $this->autoparam = 'TITLE';
        $this->setValue('TITLE', 0, 0, $text);
    }

    /**
     * Gets back the value of the TITLE component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getTitle()
    {
        return $this->getMeta('TITLE') . $this->getValue('TITLE', 0, 0);
    }

    /**
     * Sets the value of the ROLE component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setRole($text)
    {
        $this->autoparam = 'ROLE';
        $this->setValue('ROLE', 0, 0, $text);
    }

    /**
     * Gets back the value of the ROLE component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getRole()
    {
        return $this->getMeta('ROLE') . $this->getValue('ROLE', 0, 0);
    }

    /**
     * Sets the value of the URL component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setURL($text)
    {
        $this->autoparam = 'URL';
        $this->setValue('URL', 0, 0, $text);
    }

    /**
     * Gets back the value of the URL component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getURL()
    {
        return $this->getMeta('URL') . $this->getValue('URL', 0, 0);
    }

    /**
     * Sets the value of the CLASS component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setClass($text)
    {
        $this->autoparam = 'CLASS';
        $this->setValue('CLASS', 0, 0, $text);
    }

    /**
     * Gets back the value of the CLASS component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getClass()
    {
        return $this->getMeta('CLASS') . $this->getValue('CLASS', 0, 0);
    }

    /**
     * Sets the value of the SORT-STRING component.  There is only one
     * allowed per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setSortString($text)
    {
        $this->autoparam = 'SORT-STRING';
        $this->setValue('SORT-STRING', 0, 0, $text);
    }

    /**
     * Gets back the value of the SORT-STRING component.  There is only
     * one allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getSortString()
    {
        return $this->getMeta('SORT-STRING') . $this->getValue('SORT-STRING', 0, 0);
    }

    /**
     * Sets the value of the PRODID component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setProductID($text)
    {
        $this->autoparam = 'PRODID';
        $this->setValue('PRODID', 0, 0, $text);
    }

    /**
     * Gets back the value of the PRODID component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getProductID()
    {
        return $this->getMeta('PRODID') . $this->getValue('PRODID', 0, 0);
    }

    /**
     * Sets the value of the REV component. There is only one allowed
     * per vCard. This value is free and should reflect whatever you use
     * for control - e.g. a DATETIME value.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setRevision($text)
    {
        $this->autoparam = 'REV';
        $this->setValue('REV', 0, 0, $text);
    }

    /**
     * Gets back the value of the REV component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getRevision()
    {
        return $this->getMeta('REV') . $this->getValue('REV', 0, 0);
    }

    /**
     * Sets the value of the UID component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setUniqueID($text)
    {
        $this->autoparam = 'UID';
        $this->setValue('UID', 0, 0, $text);
    }

    /**
     * Gets back the value of the UID component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getUniqueID()
    {
        return $this->getMeta('UID') . $this->getValue('UID', 0, 0);
    }

    /**
     * Sets the value of the AGENT component.  There is only one allowed
     * per vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function setAgent($text)
    {
        $this->autoparam = 'AGENT';
        $this->setValue('AGENT', 0, 0, $text);
    }

    /**
     * Gets back the value of the AGENT component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getAgent()
    {
        return $this->getMeta('AGENT') . $this->getValue('AGENT', 0, 0);
    }

    /**
     * Sets the value of both parts of the GEO component.  There is only
     * one GEO component allowed per vCard.
     *
     * @param string $lat The value to set for the longitude part
     *               (decimal, + or -).
     * @param string $lon The value to set for the latitude part
     *               (decimal, + or -).
     *
     * @access public
     * @return void
     */
    function setGeo($lat, $lon)
    {
        $this->autoparam = 'GEO';
        $this->setValue('GEO', 0, VCARD_GEO_LAT, $lat);
        $this->setValue('GEO', 0, VCARD_GEO_LON, $lon);
    }

    /**
     * Gets back the value of the GEO component.  There is only one
     * allowed per vCard.
     *
     * @access public
     * @return string The value of this component.
     */
    function getGeo()
    {
        return $this->getMeta('GEO', 0) .
            $this->getValue('GEO', 0, VCARD_GEO_LAT, 0) . ';' .
            $this->getValue('GEO', 0, VCARD_GEO_LON, 0);
    }

    /**
     * Sets the value of one entire ADR iteration.  There can be zero,
     * one, or more ADR components in a vCard.
     *
     * @param mixed $pob      String (one repetition) or array (multiple
     *                        repetitions) of the p.o. box part of the ADR
     *                        component iteration.
     * @param mixed $extend   String (one repetition) or array (multiple
     *                        repetitions) of the "extended address" part
     *                        of the ADR component  iteration.
     * @param mixed $street   String (one repetition) or array (multiple
     *                        repetitions) of the street address part of
     *                        the ADR component iteration.
     * @param mixed $locality String (one repetition) or array (multiple
     *                        repetitions) of the locailty (e.g., city) part of the
     *                        ADR component iteration.
     * @param mixed $region   String (one repetition) or array (multiple
     *                        repetitions) of the region (e.g., state, province, or
     *                        governorate) part of the ADR component iteration.
     * @param mixed $postcode String (one repetition) or array (multiple
     *                        repetitions) of the postal code (e.g., ZIP code) part
     *                        of the ADR component iteration.
     * @param mixed $country  String (one repetition) or array (multiple
     *                        repetitions) of the country-name part of the ADR
     *                        component iteration.
     *
     * @access public
     * @return void
     */
    function addAddress($pob, $extend, $street, $locality, $region,
        $postcode, $country)
    {
        $this->autoparam = 'ADR';
        $iter            = $this->countIter('ADR');
        $this->setValue('ADR', $iter, VCARD_ADR_POB, $pob);
        $this->setValue('ADR', $iter, VCARD_ADR_EXTEND, $extend);
        $this->setValue('ADR', $iter, VCARD_ADR_STREET, $street);
        $this->setValue('ADR', $iter, VCARD_ADR_LOCALITY, $locality);
        $this->setValue('ADR', $iter, VCARD_ADR_REGION, $region);
        $this->setValue('ADR', $iter, VCARD_ADR_POSTCODE, $postcode);
        $this->setValue('ADR', $iter, VCARD_ADR_COUNTRY, $country);
    }

    /**
     * Gets back the value of one ADR component iteration.
     *
     * @param int $iter The component iteration-number to get the value
     *                  for.
     *
     * @access public
     * @return mixed The value of this component iteration, or a
     *         PEAR_Error if the iteration is not valid.
     */
    function getAddress($iter)
    {
        if (! is_integer($iter) || $iter < 0) {
            return $this->raiseError('ADR iteration number not valid.');
        }
        return $this->getMeta('ADR', $iter) .
            $this->getValue('ADR', $iter, VCARD_ADR_POB) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_EXTEND) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_STREET) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_LOCALITY) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_REGION) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_POSTCODE) . ';' .
            $this->getValue('ADR', $iter, VCARD_ADR_COUNTRY);
    }

    /**
     * Sets the value of one LABEL component iteration.  There can be
     * zero, one, or more component iterations in a vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function addLabel($text)
    {
        $this->autoparam = 'LABEL';
        $iter            = $this->countIter('LABEL');
        $this->setValue('LABEL', $iter, 0, $text);
    }

    /**
     * Gets back the value of one iteration of the LABEL component.
     * There can be zero, one, or more component iterations in a vCard.
     *
     * @param int $iter The component iteration-number to get the value
     *                  for.
     *
     * @access public
     * @return mixed The value of this component, or a PEAR_Error if
     *         the iteration number is not valid.
     */
    function getLabel($iter)
    {
        if (! is_integer($iter) || $iter < 0) {
            return $this->raiseError('LABEL iteration number not valid.');
        }
        return $this->getMeta('LABEL', $iter) .
            $this->getValue('LABEL', $iter, 0);
    }

    /**
     * Sets the value of one component iteration. There can be zero,
     * one, or more component iterations in a vCard. This function also
     * takes a type argument to be able to add mobiles, fax and voice 
     * as well.
     *
     * @param string $text The value to set for this component.
     * @param string $type The type: phone, mobile, fax or voice 
     *
     * @access public
     * @return mixed  void on success, PEAR_Error on failure
     * @uses   self::_getTelephoneType()
     */
    function addTelephone($text, $type = 'phone')
    {
        $autoparam = $this->_getTelephoneType($type);
        if (PEAR::isError($autoparam)) {
            return $autoparam;
        }
        
        $iter = $this->countIter($autoparam);
        $this->setValue($autoparam, $iter, 0, $text);
        
        $this->autoparam = $autoparam;
    }

    /**
     * Gets back the value of one iteration of the TEL component.  There
     * can be zero, one, or more component iterations in a vCard.
     *
     * @param int    $iter The component iteration-number to get the value
     *                     for.
     * @param string $type The type: phone, mobile, fax, voice
     *
     * @access public
     * @return mixed The value of this component, or a PEAR_Error if the
     *         iteration number is not valid.
     * @uses   self::_getTelephoneType()
     */
    function getTelephone($iter, $type = 'phone')
    {
        $autoparam = $this->_getTelephoneType($type);
        if (PEAR::isError($autoparam)) {
            return $autoparam;
        }
                
        if (!is_integer($iter) || $iter < 0) {
            return $this->raiseError($autoparam . ' iteration number not valid.');
        }
                
        return $this->getMeta($autoparam, $iter) .
            $this->getValue($autoparam, $iter, 0);
    }
        
    /**
     * Sets the value of one EMAIL component iteration.  There can be zero,
     * one, or more component iterations in a vCard.
     *
     * @param string $text The value to set for this component.
     *
     * @access public
     * @return void
     */
    function addEmail($text)
    {
        $this->autoparam = 'EMAIL';
        $iter            = $this->countIter('EMAIL');
        $this->setValue('EMAIL', $iter, 0, $text);
    }

    /**
     * Gets back the value of one iteration of the EMAIL component.  There can
     * be zero, one, or more component iterations in a vCard.
     *
     * @param int $iter The component iteration-number to get the value
     *                  for.
     *
     * @access public
     *
     * @return mixed The value of this component, or a PEAR_Error if the
     * iteration number is not valid.
     *
     */
    function getEmail($iter)
    {
        if (! is_integer($iter) || $iter < 0) {
            return $this->raiseError('EMAIL iteration number not valid.');
        }
        return $this->getMeta('EMAIL', $iter) .
            $this->getValue('EMAIL', $iter, 0);
    }

    /**
     * Sets the full value of the NICKNAME component.  There is only one
     * component iteration allowed per vCard, but there may be multiple
     * value repetitions in the iteration.
     *
     * @param mixed $text String (one repetition) or array (multiple
     *                    reptitions) of the component iteration value.
     *
     * @access public
     * @return void
     */
    function addNickname($text)
    {
        $this->autoparam = 'NICKNAME';
        $this->addValue('NICKNAME', 0, 0, $text);
    }

    /**
     * Gets back the value of the NICKNAME component.  There is only one
     * component allowed per vCard, but there may be multiple value
     * repetitions in the iteration.
     *
     * @access public
     * @return string The value of this component.
     */
    function getNickname()
    {
        return $this->getMeta('NICKNAME') . $this->getValue('NICKNAME', 0, 0);
    }

    /**
     * Sets the full value of the CATEGORIES component.  There is only
     * one component iteration allowed per vCard, but there may be
     * multiple value repetitions in the iteration.
     *
     * @param mixed $text String (one repetition) or array (multiple reptitions)
     *                    of the component iteration value.
     *
     * @access public
     * @return void
     */
    function addCategories($text)
    {
        $this->autoparam = 'CATEGORIES';
        $this->addValue('CATEGORIES', 0, 0, $text);
    }

    /**
     * Gets back the value of the CATEGORIES component.  There is only
     * one component allowed per vCard, but there may be multiple value
     * repetitions in the iteration.
     *
     * @access public
     * @return string The value of this component.
     */
    function getCategories()
    {
        return $this->getMeta('CATEGORIES', 0) .
            $this->getValue('CATEGORIES', 0, 0);
    }

    /**
     * Sets the full value of the ORG component.  There can be only one
     * ORG component in a vCard.
     *
     * The ORG component can have one or more parts (as opposed to
     * repetitions of values within those parts).  The first part is the
     * highest-level organization, the second part is the next-highest,
     * the third part is the third-highest, and so on.  There can by any
     * number of parts in one ORG iteration.  (This is different from
     * other components, such as NICKNAME, where an iteration has only
     * one part but may have many repetitions within that part.)
     *
     * @param mixed $text String (one ORG part) or array (of ORG parts) to
     *                    use as the value for the component iteration.
     *
     * @access public
     * @return void
     */
    function addOrganization($text)
    {
        $this->autoparam = 'ORG';

        settype($text, 'array');

        $base = $this->countRept('ORG', 0);

        // start at the original base point, and add
        // new parts
        foreach ($text as $part => $val) {
            $this->setValue('ORG', 0, $base + $part, $val);
        }
    }

    /**
     * Gets back the value of the ORG component.
     *
     * @return string The value of this component.
     * @access public
     */
    function getOrganization()
    {
        $text = $this->getMeta('ORG', 0);

        $k    = $this->countRept('ORG', 0);
        $last = $k - 1;

        for ($part = 0; $part < $k; $part++) {

            $text .= $this->getValue('ORG', 0, $part);

            if ($part != $last) {
                $text .= ';';
            }

        }

        return $text;
    }

    /**
     * Builds a vCard from a Contact_Vcard_Parse result array.  Only send
     * one vCard from the parse-results.
     *
     * Usage (to build from first vCard in parsed results):
     *
     * $parse = new Contact_Vcard_Parse(); // new parser
     * $info = $parse->fromFile('sample.vcf'); // parse file
     *
     * $vcard = new Contact_Vcard_Build(); // new builder
     * $vcard->setFromArray($info[0]); // [0] is the first card
     *
     * @param array $src One vCard entry as parsed using
     *                   Contact_Vcard_Parse.
     *
     * @access public
     * @return void
     * @see    Contact_Vcard_Parse::fromFile()
     * @see    Contact_Vcard_Parse::fromText()
     */
    function setFromArray($src)
    {
        // reset to a blank values and params
        $this->value = array();
        $this->param = array();

        // loop through components (N, ADR, TEL, etc)
        foreach ($src as $comp => $comp_val) {

            // set the autoparam property. not really needed, but let's
            // behave after an expected fashion, shall we?  ;-)
            $this->autoparam = $comp;

            // iteration number of each component
            foreach ($comp_val as $iter => $iter_val) {

                // value or param?
                foreach ($iter_val as $kind => $kind_val) {

                    // part number
                    foreach ($kind_val as $part => $part_val) {

                        // repetition number and text value
                        foreach ($part_val as $rept => $text) {

                            // ignore data when $kind is neither 'value'
                            // nor 'param'
                            if (strtolower($kind) == 'value') {
                                $this->_setValue($comp, $iter, $part, $rept, $text);
                            } elseif (strtolower($kind) == 'param') {
                                $this->_setParam($comp, $iter, $part, $rept, $text);
                            }
                        }
                    }
                }
            }
        }
    }


    /**
     * Fetches a full vCard text block based on $this->value and
     * $this->param. The order of the returned components is similar to
     * their order in RFC 2426.  Honors the value of
     * $this->value['VERSION'] to determine which vCard components are
     * returned (2.1- or 3.0-compliant).
     *
     * @access public
     * @return string A properly formatted vCard text block.
     */
    function fetch()
    {
        // vCard version is required
        if (! is_array($this->value['VERSION'])) {
            return $this->raiseError('VERSION not set (required).');
        }

        // FN component is required
        if (! is_array($this->value['FN'])) {
            return $this->raiseError('FN component not set (required).');
        }

        // N component is required
        if (! is_array($this->value['N'])) {
            return $this->raiseError('N component not set (required).');
        }

        // initialize the vCard lines
        $lines = array();

        // begin (required)
        $lines[] = "BEGIN:VCARD";

        // version (required)
        // available in both 2.1 and 3.0
        $lines[] = $this->getVersion();

        // profile (3.0 only)
        if ($this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = "PROFILE:VCARD";
        }

        // formatted name (required)
        // available in both 2.1 and 3.0
        $lines[] = $this->getFormattedName();

        // structured name (required)
        // available in both 2.1 and 3.0
        $lines[] = $this->getName();

        // displayed name of the data source  (3.0 only)
        if (isset($this->value['NAME']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getSourceName();
        }

        // data source (3.0 only)
        if (isset($this->value['SOURCE']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getSource();
        }

        // nicknames (3.0 only)
        if (isset($this->value['NICKNAME']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getNickname();
        }

        // personal photo
        // available in both 2.1 and 3.0
        $_photo = $this->getPhoto();
        if ($_photo !== false) {
            $lines[] = $_photo;
        }

        // bday
        // available in both 2.1 and 3.0
        if (isset($this->value['BDAY'])) {
            $lines[] = $this->getBirthday();
        }

        // adr
        // available in both 2.1 and 3.0
        if (isset($this->value['ADR'])) {
            foreach ($this->value['ADR'] as $key => $val) {
                $lines[] = $this->getAddress($key);
            }
        }

        // label
        // available in both 2.1 and 3.0
        if (isset($this->value['LABEL'])) {
            foreach ($this->value['LABEL'] as $key => $val) {
                $lines[] = $this->getLabel($key);
            }
        }

        // tel
        // available in both 2.1 and 3.0
        if (isset($this->value['TEL'])) {
            foreach ($this->value['TEL'] as $key => $val) {
                $lines[] = $this->getTelephone($key);
            }
        }
                
        // mobiles
        if (isset($this->value['TEL;PREF;CELL'])) {
            foreach ($this->value['TEL;PREF;CELL'] as $key => $val) {
                $lines[] = $this->getTelephone($key, 'mobile');
            }
        }
                
        // voice
        if (isset($this->value['TEL;PREF;VOICE'])) {
            foreach ($this->value['TEL;PREF;VOICE'] as $key => $val) {
                $lines[] = $this->getTelephone($key, 'voice');
            }
        }
                
        // fax
        if (isset($this->value['TEL;PREF;FAX'])) {
            foreach ($this->value['TEL;PREF;FAX'] as $key => $val) {
                $lines[] = $this->getTelephone($key, 'fax');
            }
        }

        // email
        // available in both 2.1 and 3.0
        if (isset($this->value['EMAIL'])) {
            foreach ($this->value['EMAIL'] as $key => $val) {
                $lines[] = $this->getEmail($key);
            }
        }

        // mailer
        // available in both 2.1 and 3.0
        if (isset($this->value['MAILER'])) {
            $lines[] = $this->getMailer();
        }

        // tz
        // available in both 2.1 and 3.0
        if (isset($this->value['TZ'])) {
            $lines[] = $this->getTZ();
        }

        // geo
        // available in both 2.1 and 3.0
        if (isset($this->value['GEO'])) {
            $lines[] = $this->getGeo();
        }

        // title
        // available in both 2.1 and 3.0
        if (isset($this->value['TITLE'])) {
            $lines[] = $this->getTitle();
        }

        // role
        // available in both 2.1 and 3.0
        if (isset($this->value['ROLE'])) {
            $lines[] = $this->getRole();
        }

        // company logo
        // available in both 2.1 and 3.0
        if (isset($this->value['LOGO'])) {
            $lines[] = $this->getLogo();
        }

        // agent
        // available in both 2.1 and 3.0
        if (isset($this->value['AGENT'])) {
            $lines[] = $this->getAgent();
        }

        // org
        // available in both 2.1 and 3.0
        if (isset($this->value['ORG'])) {
            $lines[] = $this->getOrganization();
        }

        // categories (3.0 only)
        if (isset($this->value['CATEGORIES']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getCategories();
        }

        // note
        // available in both 2.1 and 3.0
        if (isset($this->value['NOTE'])) {
            $lines[] = $this->getNote();
        }

        // prodid (3.0 only)
        if (isset($this->value['PRODID']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getProductID();
        }

        // rev
        // available in both 2.1 and 3.0
        if (isset($this->value['REV'])) {
            $lines[] = $this->getRevision();
        }

        // sort-string (3.0 only)
        if (isset($this->value['SORT-STRING']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getSortString();
        }

        // name-pronounciation sound
        // available in both 2.1 and 3.0
        if (isset($this->value['SOUND'])) {
            $lines[] = $this->getSound();
        }

        // uid
        // available in both 2.1 and 3.0
        if (isset($this->value['UID'])) {
            $lines[] = $this->getUniqueID();
        }

        // url
        // available in both 2.1 and 3.0
        if (isset($this->value['URL'])) {
            $lines[] = $this->getURL();
        }

        // class (3.0 only)
        if (isset($this->value['CLASS']) &&
            $this->value['VERSION'][0][0][0] == '3.0') {
            $lines[] = $this->getClass();
        }

        // key
        // available in both 2.1 and 3.0
        if (isset($this->value['KEY'])) {
            $lines[] = $this->getKey();
        }

        // required
        $lines[] = "END:VCARD";

        // version 3.0 uses \n for new lines,
        // version 2.1 uses \r\n
        $newline = "\n";
        if ($this->value['VERSION'][0][0][0] == '2.1') {
            $newline = "\r\n";
        }

        // fold lines at 75 characters
        $regex = "(.{1,75})";
        foreach ($lines as $key => $val) {
            if (strlen($val) > 75) {
                // we trim to drop the last newline, which will be added
                // again by the implode function at the end of fetch()
                $lines[$key] = trim(preg_replace("/$regex/i", "\\1$newline ", $val));
            }
        }

        // compile the array of lines into a single text block
        // and return (with a trailing newline)
        return implode($newline, $lines). $newline;
    }

    /**
     * Send the vCard as a downloadable file.
     *
     * @param string $filename    The file name to give the vCard.
     * @param string $disposition How the file should be sent, either
     *                            'inline' or 'attachment'.
     * @param string $charset     The character set to use, defaults to
     *                            'us-ascii'.
     *
     * @access public
     * @return void or Pear_Error in case of an error.
     */
    function send($filename, $disposition = 'attachment', $charset = 'us-ascii')
    {
        $vcard = $this->fetch();
        if (PEAR::isError($vcard)) {
             return $vcard;
        }

        header('Content-Type: application/directory; ' .
            'profile="vcard"; ' .
            'charset=' . $charset);

        header('Content-Length: ' . strlen($vcard));
        header("Content-Disposition: $disposition; filename=\"$filename\"");

        echo $vcard;
    }

    /**
     * Gets the left-side/prefix/before-the-colon (metadata) part of a
     * vCard line, including the component identifier, the parameter
     * list, and a colon.
     *
     * @param string $comp The component to get metadata for (ADR, TEL, etc).
     * @param int    $iter The vCard component iteration to get the metadata
     *                     for. E.g., if you have more than one ADR component,
     *                     0 refers to the first ADR, 1 to the second ADR,
     *                     and so on.
     *
     * @access public
     * @return string The line prefix metadata.
     */
    function getMeta($comp, $iter = 0)
    {
        $params = $this->getParam($comp, $iter);

        if (trim($params) == '') {
            // no parameters
            $text = $comp . ':';
        } else {
            // has parameters.  put an extra semicolon in.
            $text = $comp . ';' . $params . ':';
        }

        return $text;
    }

    /**
     * Count the number of iterations for an element type.
     *
     * @param string $type The element type to count iterations for
     *                     (ADR, ORG, etc).
     *
     * @access public
     * @return int The number of iterations for that type.
     */
    function countIter($type)
    {
        if (!isset($this->value[$type])) {
            return 0;
        }
        return count($this->value[$type]);
    }

    /**
     * Count the number of repetitions for an element type and iteration
     * number.
     *
     * @param string $type The element type to count iterations for
     *                     (ADR, ORG, etc).
     * @param int    $rept The iteration number to count repetitions for.
     *
     * @access public
     * @return int The number of repetitions for that type and iteration.
     */
    function countRept($type, $rept)
    {
        if (!isset($this->value[$type][$rept])) {
            return 0;
        }
        return count($this->value[$type][$rept]);
    }

    /**
     * Emulated destructor.
     *
     * @access private
     * @return boolean true
     */
    function _Contact_Vcard_Build()
    {
        return true;
    }

    /**
     * _setValue
     *
     * @param string $comp The component to set the value for ('N',
     *                     'ADR', etc).
     * @param int    $iter The component-iteration to set the value for.
     *                     the value for.
     * @param int    $part The part number of the component-iteration to set
     * @param mixed  $rept The repetition number within the part to get;
     *                     if null, get all repetitions of the part within the
     *                     iteration.
     * @param mixed  $text A string or array; the set of repeated values
     *                     for this component-iteration part.
     *
     * @access protected
     * @return void
     */
    function _setValue($comp, $iter, $part, $rept, $text)
    {
        $this->value[strtoupper($comp)][$iter][$part][$rept] = $text;
    }

    /**
     * _setParam
     *
     * @param string $comp The component to set the param for.
     * @param int    $iter The component-iteration to set the param for.
     * @param int    $part The part number of the component-iteration to set
     *                     the param for.
     * @param mixed  $rept The repetition number within the part to get;
     *                     if null, get all repetitions of the part within the
     *                     iteration.
     * @param mixed  $text A string or array; the set of repeated values
     *                     for this component-iteration part.
     *
     * @access protected
     * @return void
     */
    function _setParam($comp, $iter, $part, $rept, $text)
    {
        $this->param[strtoupper($comp)][$iter][$part][$rept] = $text;
    }
        
    /**
     * _getTelephoneType
     *
     * Resolves a HR friendly type to the internal
     * type used in the VCARD spec.
     *
     * @param string $type The type?!
     *
     * @access private
     * @return mixed  string $type or Pear_Error
     * @see    self::addTelephone()
     * @ses    self::getTelephone()
     * @since  1.1.2
     */
    function _getTelephoneType($type)
    {
        switch ($type) {

        case 'phone':
            return 'TEL';
            break;
                        
        case 'mobile':
            return 'TEL;PREF;CELL';
            break;
                                
        case 'voice':
            return 'TEL;PREF;VOICE';
            break;
                                
        case 'fax':
            return 'TEL;PREF;FAX';
            break;
                                
        default:
            $msg = 'Type: ' . $type . ' is not yet implemented.';
            return $this->raiseError($msg);
            break;
        }
    }
}
?>
Creat By MiNi SheLL
Email: devilkiller@gmail.com