/**
* Container data setter
* @param string $name meta name
* @param string $value meta value
* @param array $attr Extra attributes
*/
public static function set($name, $value, array $attr = array())
{
$_name = self::key($name);
$attrs['property'] = 'og:' . preg_replace('/\\Aog:/i', '', $name);
$attrs['content'] = $value;
$data = self::data($_name, $attrs);
HeadsContainer::set('ogp', $data);
}
/**
* Container data setter
* @param string $name meta name
* @param string $value meta value
* @param array $attr Extra attributes
*/
public static function set($name, $value, array $attr = array())
{
$attrs['rel'] = $name;
$attrs['href'] = $value;
if (is_string($attrs)) {
$attrs['title'] = $attr;
}
$data = self::data($name, $attrs);
HeadsContainer::set('link', $data);
}
/**
* http Content-Type
* @param string $value meta value
* @param mixed $attr Extra attributes
* @return array Tag data
*/
protected static function _contentType($value, $attrs = array())
{
if (false === strpos($value, 'charset')) {
if ($data = HeadsContainer::get('meta', '_charset')) {
$value = trim($value, ' ;') . '; charset=' . $data[0]['attrs']['charset'];
}
}
$attrs['http-equiv'] = 'Content-Type';
$attrs['content'] = $value;
return self::data(__FUNCTION__, $attrs);
}
/**
* Container data setter
* @param string $name meta name
* @param string $value meta value
* @param array $attr Extra attributes
*/
public static function set($name, $value, array $attr = array())
{
$_name = self::key($name);
if (false !== array_search($_name, self::$availables)) {
$attrs['property'] = 'fb:' . preg_replace('/\\Afb:/i', '', $name);
$attrs['content'] = $value;
$data = self::data($_name, $attrs);
HeadsContainer::set('facebook', $data);
} else {
HeadsMain::ogp('og:' . preg_replace('/\\Afb:/i', '', $name), $value, $attr);
}
}
/**
* Get duplicate value
* @param string $category Container category name
* @param string $key Container key name
* @param array $attr Extra attributes
* @param mixed $value If array to string
* @return array
*/
protected static function duplicate($category, $key, $attr, $value)
{
$key = self::key($key);
if (is_string($value)) {
$value = str_replace(array(' ,', ', '), ',', $value);
$value = explode(',', $value);
}
if ($datas = HeadsContainer::get($category, $key)) {
$current = $datas[0]['attrs'][$attr];
$current = explode(',', $current);
$value = array_merge($current, $value);
}
$value = array_filter($value);
$value = array_unique($value);
$value = implode(',', $value);
return $value;
}
/**
* Get Open Graph Namespaces
* @return string prefix HTML attribute
*/
public static function namespace()
{
$datas = HeadsContainer::datas();
if (empty($datas) || empty(self::$options['namespace'])) {
return;
}
$options = self::$options['namespace'];
$prefixes = array();
foreach ($datas as $type => $values) {
foreach ($values as $key => $rows) {
foreach ($rows as $row) {
if (empty($row['attrs']['property'])) {
continue;
}
$prop = $row['attrs']['property'];
$ns = substr($prop, 0, strpos($prop, ':'));
if (!empty($options[$ns])) {
$prefixes[$ns] = $ns . ': ' . $options[$ns] . '#';
}
if ('og:type' === $prop && !empty($row['attrs']['content'])) {
$ns = $row['attrs']['content'];
if (!empty($options[$ns])) {
$prefixes[$ns] = $ns . ': ' . $options[$ns] . '#';
}
}
}
}
}
if (empty($prefixes)) {
return;
}
return $prefixes;
}