C:/xampp/htdocs/moodle/lib/zend/Zend/Gdata/MimeBodyString.php

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<?php

class Zend_Gdata_MimeBodyString
{

    protected $_sourceString = '';

    protected $_bytesRead = 0;

    public function __construct($sourceString)
    {
        $this->_sourceString = $sourceString;
        $this->_bytesRead = 0;
    }

    public function read($bytesRequested)
    {
      $len = strlen($this->_sourceString);
      if($this->_bytesRead == $len) {
          return FALSE;
      } else if($bytesRequested > $len - $this->_bytesRead) {
          $bytesRequested = $len - $this->_bytesRead;
      }

      $buffer = substr($this->_sourceString, $this->_bytesRead, $bytesRequested);
      $this->_bytesRead += $bytesRequested;

      return $buffer;
    }

    public function getSize()
    {
      return strlen($this->_sourceString);
    }


}