WireMarkupRegions::getTagInfo()

Given HTML tag like “<div id='foo' class='bar baz'>” return associative array of info about it

Returned info includes:

• name (string): Tag name
• id (string): Value of id attribute
• pwid (string): PW region ID from 'pw-id' or 'data-pw-id', or if not present, then same as 'id'
• action (string): Action for this region, without “pw-” prefix.
• actionTarget (string): Target id for the action, if applicable.
• actionType (string): "class" if action specified as class name, "attr" if specified as a pw- or data-pw attribute.
• classes (array): Array of class names (from class attribute).
• attrs (array): Associative array of all attributes, all values are strings.
• attrStr (string): All attributes in a string
• tag (string): The entire tag as given
• close (string): The HTML string that would close this tag