/**
* @see Pluf_Template_Tag::start()
* @throws InvalidArgumentException If no argument is provided.
*/
public function start()
{
$nargs = func_num_args();
if (1 > $nargs) {
throw new InvalidArgumentException('`cycle` tag requires at least one argument');
}
$result = '';
list($key, $index) = $this->_computeIndex(func_get_args());
switch ($nargs) {
# (array or mixed) argument
case 1:
$arg = func_get_arg(0);
if (is_array($arg)) {
$result = $arg[$index % count($arg)];
} else {
$result = $arg;
}
break;
# (array) arguments, (string) assign
# (array) arguments, (string) assign
case 2:
$args = func_get_args();
if (is_array($args[0])) {
$last = array_pop($args);
if (is_string($last) && '' === $this->context->get($last)) {
$value = Pluf_Utils::flattenArray($args[0]);
$this->context->set($last, $value);
list($assign_key, $assign_index) = $this->_computeIndex(array($value));
$result = $value[0];
}
break;
}
# considers all the arguments as a value to use in the cycle
# considers all the arguments as a value to use in the cycle
default:
$args = Pluf_Utils::flattenArray(func_get_args());
$result = $args[$index % count($args)];
break;
}
echo Pluf_Template::markSafe((string) $result);
}
