Changes what syntax is used when generating elements. Valid modes are:
In this mode (which is default) PHPTAL will output XHTML in a way that is backwards-compatible with HTML browsers.
Empty elements will be forced to use self-closing form (
<link/>), and non-empty elements will always have closing tag.
XHTML output mode changes
<link> element in way that is incompatible with RSS. Use XML output mode to generate RSS feeds or use Atom.
Boolean attribtes (
selected, etc.) will always have value required by the XHTML specification (it simplifies use of
<![CDATA[ blocks will be added or removed automatically and will use special escaping syntax that is safe in both XML and HTML.
If you're always sending XHTML as
application/xhtml+xml, then it's better to use XML output mode.
This mode generates documents that have best compatibility with
text/html parsing in current web browsers, but are not XML.
PHPTAL will change DOCTYPEs to
<!DOCTYPE html>. Namespace declarations, name prefixes, explicit
CDATA sections and other HTML-incompatible constructs will be ommited.
This mode is not a "tag soup". PHPTAL will close all elements properly and quote attributes when it's necesary. Output will be properly formatted HTML 5, and fully backwards-compatible with current HTML 4 browsers.
This mode outputs "pure" XML without compatibility with
text/html parsing. Use this mode when generating feeds, SVG, MathML, RDF and other XML files.