/**
* Returns a select tag wrapped around its option tags.
* @return string
*/
public function __toString()
{
$options = array();
$groups = array();
$suboptions = array();
if ($this->first_blank) {
$options[] = new Option('', '');
}
foreach ($this->options as $opt) {
if ($opt->hasOptgroup()) {
$groups[$opt->getOptgroup()][] = $opt;
} else {
$options[] = (string) $opt;
}
}
if (!empty($groups)) {
foreach ($groups as $optgroup => $group) {
$suboptions[] = "<optgroup label=\"{$optgroup}\">";
$suboptions[] = implode("\n", $group);
$suboptions[] = '</optgroup>';
}
if (!empty($options)) {
$options = array_merge($suboptions, $options);
} else {
$options =& $suboptions;
}
}
$option_string = implode("\n", $options);
$this->setText($option_string);
return parent::__toString();
}
/**
* Before using the parent setName function, this method adds missing
* square brackets
*
* @param string $name
*/
public function setName($name)
{
if (!preg_match('/\\[\\w*\\]$/', $name)) {
$name .= '[]';
}
parent::setName($name);
}
