function serialize()
{
$string = $this->name;
if (!empty($this->parameters)) {
foreach ($this->parameters as $name => $value) {
$string .= ';' . $name . '=';
if (is_array($value)) {
$string .= implode(',', $value);
} else {
$string .= $value;
}
}
}
$string .= ':' . $this->value;
return rfc2445_fold($string) . RFC2445_CRLF;
}
function serialize()
{
// Check for validity of the object
if (!$this->is_valid()) {
return false;
}
// Maybe the object is valid, but there are some required properties that
// have not been given explicit values. In that case, set them to defaults.
foreach ($this->valid_properties as $property => $propdata) {
if ($propdata & RFC2445_REQUIRED && empty($this->properties[$property])) {
$this->add_property($property);
}
}
// Start tag
$string = rfc2445_fold('BEGIN:' . $this->name) . RFC2445_CRLF;
// List of properties
if (!empty($this->properties)) {
foreach ($this->properties as $name => $properties) {
foreach ($properties as $property) {
$string .= $property->serialize();
}
}
}
// List of components
if (!empty($this->components)) {
foreach ($this->components as $name => $components) {
foreach ($components as $component) {
$string .= $component->serialize();
}
}
}
// End tag
$string .= rfc2445_fold('END:' . $this->name) . RFC2445_CRLF;
return $string;
}
function serialize()
{
// Start tag
$string = rfc2445_fold('BEGIN:' . $this->name) . RFC2445_CRLF;
// List of properties
if (!empty($this->properties)) {
foreach ($this->properties as $name => $properties) {
foreach ($properties as $property) {
$string .= $property->serialize();
}
}
}
// List of components
if (!empty($this->components)) {
foreach ($this->components as $name => $components) {
foreach ($components as $component) {
$string .= $component->serialize();
}
}
}
// End tag
$string .= rfc2445_fold('END:' . $this->name) . RFC2445_CRLF;
return $string;
}