/**
* Given a selector string, extract it into one or more corresponding Selector objects, iterable in this object.
*
*/
public function __construct($selectorStr)
{
if (empty(self::$selectorTypes)) {
Selector::loadSelectorTypes();
}
$this->extractString($selectorStr);
}
$allowed = array('session', 'page', 'user');
// @todo make the whitelist configurable
if (!in_array($value, $allowed)) {
return null;
}
$value = $this->wire($value);
if (is_null($value)) {
return null;
}
// does not resolve to API var
if (empty($property)) {
return (string) $value;
}
// no property requested, just return string value
if (!is_object($value)) {
return null;
}
// property requested, but value is not an object
return (string) $value->{$property};
}
public function __toString()
{
$str = '';
foreach ($this as $selector) {
$str .= $selector->str . ", ";
}
return rtrim($str, ", ");
}
}
Selector::loadSelectorTypes();