<?php


/**
 * Registers a function to handle templates.
 *
 * Alternative template handlers can be registered to handle
 * all output functions.  By default, {@link elgg_view()} will
 * simply include the view file.  If an alternate template handler
 * is registered, the view name and passed $vars will be passed to the
 * registered function, which is then responsible for generating and returning
 * output.
 *
 * Template handlers need to accept two arguments: string $view_name and array
 * $vars.
 *
 * @warning This is experimental.
 *
 * @param string $function_name The name of the function to pass to.
 *
 * @return bool
 * @see elgg_view()
 * @deprecated 1.12
 */
function set_template_handler($function_name) {
	elgg_deprecated_notice("Support for custom template handlers will end soon.", "1.12");
	global $CONFIG;

	if (is_callable($function_name)) {
		$CONFIG->template_handler = $function_name;
		return true;
	}
	return false;
}

/**
 * Get the views/ directory in which the view might (or might not) be found
 *
 * E.g. elgg_get_view_location('foo.css') might return "/path/to/mod/example/views/" but the view file
 * itself may be at "default/foo.css" or "default/foo.css.php" within that. The function might return the core
 * views/ directory if it doesn't know anything about the view.
 *
 * @warning This doesn't check if the file exists, but only
 * constructs (or extracts) the path and returns it.
 *
 * @param string $view     The view.
 * @param string $viewtype The viewtype
 *
 * @return string
 * @deprecated 1.12 This function is going away in 2.0.
 */
function elgg_get_view_location($view, $viewtype = '') {
	elgg_deprecated_notice(__FUNCTION__ . " is going away in 2.0.", "1.12");
	return _elgg_services()->views->getViewLocation($view, $viewtype);
}