Source of file HeaderWrap.php
Size: 2,775 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/Mail/Header/HeaderWrap.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Mail\Header; use Zend\Mail\Headers; use Zend\Mime\Mime; /** * Utility class used for creating wrapped or MIME-encoded versions of header * values. */ abstract class HeaderWrap { /** * Wrap a long header line * * @param string $value * @param HeaderInterface $header * @return string */ public static function wrap($value, HeaderInterface $header) { if ($header instanceof UnstructuredInterface) { return static::wrapUnstructuredHeader($value, $header); } elseif ($header instanceof StructuredInterface) { return static::wrapStructuredHeader($value, $header); } return $value; } /** * Wrap an unstructured header line * * Wrap at 78 characters or before, based on whitespace. * * @param string $value * @param HeaderInterface $header * @return string */ protected static function wrapUnstructuredHeader($value, HeaderInterface $header) { $encoding = $header->getEncoding(); if ($encoding == 'ASCII') { return wordwrap($value, 78, Headers::FOLDING); } return static::mimeEncodeValue($value, $encoding, 78); } /** * Wrap a structured header line * * @param string $value * @param StructuredInterface $header * @return string */ protected static function wrapStructuredHeader($value, StructuredInterface $header) { $delimiter = $header->getDelimiter(); $length = strlen($value); $lines = array(); $temp = ''; for ($i = 0; $i < $length; $i++) { $temp .= $value[$i]; if ($value[$i] == $delimiter) { $lines[] = $temp; $temp = ''; } } return implode(Headers::FOLDING, $lines); } /** * MIME-encode a value * * Performs quoted-printable encoding on a value, setting maximum * line-length to 998. * * @param string $value * @param string $encoding * @param int $lineLength maximum line-length, by default 998 * @return string Returns the mime encode value without the last line ending */ public static function mimeEncodeValue($value, $encoding, $lineLength = 998) { return Mime::encodeQuotedPrintableHeader($value, $encoding, $lineLength, Headers::EOL); } } |