protected static function prepare($config)
{
// Handle spec requirements
// If the name or http-equiv attribute is in place, there must be a content key
if ((isset($config['name']) || isset($config['http-equiv'])) && !isset($config['content'])) {
// name or http-equiv must have content
die(get_class() . ' - fatal error: when name or http-equiv are set, content must also be set');
}
if (!isset($config['charset'])) {
$config = Meta::configAfterConvertingKeyToAttribute($config, 'content');
}
return $config;
}
/**
* http://www.w3.org/TR/html5/document-metadata.html#the-meta-element
*
* Required keys
* type: name|http-equiv|charset
*
* Optional keys
* content: Arbitrary non-html string. If name or http-equiv types are selected, `content` becomes required.
* name: application-name|author|description|generator|keywords If name type is selected, `name` becomes required.
* http-equiv: content-language|content-type|default-style|refresh|set-cookie If http-equiv type is selected, `http-equiv` becomes required.
* charset: Valid character encoding declaration. If charset type is selected, `charset` becomes required.
*
* See global optional keys above.
*
*/
public static function meta($config)
{
return Meta::build($config);
}
