| protected _getMetaKey ( string $key = null ) : mixed | ||
| $key | string | The name of the meta value to return, or `null`, to return all values. |
| return | mixed | Returns the value of the meta key specified by `$key`, or an array of all meta values if `$key` is `null`. |
protected function _getMetaKey($key = null)
{
if (!$key) {
$all = array_keys($this->_initializers);
$call = array(&$this, '_getMetaKey');
return $all ? array_combine($all, array_map($call, $all)) + $this->_meta : $this->_meta;
}
if (isset($this->_meta[$key])) {
return $this->_meta[$key];
}
if (isset($this->_initializers[$key]) && ($initializer = $this->_initializers[$key])) {
unset($this->_initializers[$key]);
return $this->_meta[$key] = $initializer(get_called_class());
}
}