/** set wiki variable specified by first argument to result of function call specified in rest of the arguments */
function wiki_fn_call($args, $renderer_state)
{
$name = array_shift($args);
$call_func = array_shift($args);
$call_args = $args;
$value = call_wiki_function($call_func, $call_args, $renderer_state);
$renderer_state->wiki_variables->set($name, $value);
return '';
}
/** @private callback for preg_replace_callback in process_includes() */
function process_includes_cb($matches)
{
debug('MW_Page.process_includes_cb(matches=' . join(', ', $matches) . ')');
$inc_command = $matches[1];
if ($inc_command[0] == '$') {
# {{$var}} -> {{&echo|$var}}
$inc_command = '&echo|' . $inc_command;
} elseif ($inc_command[0] != '&') {
# {{page}} -> {{&include|page}}
$inc_command = '&include|' . $inc_command;
} elseif (strpos($inc_command, '|') === false) {
# backwards compatible {{&func arg}} -> {{&func|arg}}
$inc_command = preg_replace('/\\s+/s', '|', $inc_command, 1);
}
$inc_command = substr($inc_command, 1);
$wiki_func_args = explode('|', $inc_command);
$wiki_func = array_shift($wiki_func_args);
$wiki_func_args = preg_replace('/\\$(\\S+)/es', '$this->wiki_variables->get("$1")', $wiki_func_args);
$wiki_func_ret = call_wiki_function($wiki_func, $wiki_func_args, $this);
if ($wiki_func_ret !== null) {
return $wiki_func_ret;
}
return $matches[1];
}
