/**
* Generic function handling '#forargs' and '#fornumargs' as one
*/
protected static function perform_forargs(Parser &$parser, PPFrame $frame, array $funcArgs, array $templateArgs, $prefix = '')
{
// if not called within template instance:
if (!$frame->isTemplate()) {
return '';
}
// name of the variable to store the argument name:
$keyVar = array_shift($funcArgs);
$keyVar = $keyVar !== null ? trim($frame->expand($keyVar)) : '';
// name of the variable to store the argument value:
$valVar = array_shift($funcArgs);
$valVar = $valVar !== null ? trim($frame->expand($valVar)) : '';
// unexpanded code:
$rawCode = array_shift($funcArgs);
$rawCode = $rawCode !== null ? $rawCode : '';
$output = '';
// if prefix contains numbers only or isn't set, get all arguments, otherwise just non-numeric
$tArgs = preg_match('/^([1-9][0-9]*)?$/', $prefix) > 0 ? $frame->getArguments() : $frame->getNamedArguments();
foreach ($templateArgs as $argName => $argVal) {
// if no filter or prefix in argument name:
if ($prefix !== '' && strpos($argName, $prefix) !== 0) {
continue;
}
if ($keyVar !== $valVar) {
// variable with the argument name without prefix as value:
self::setVariable($parser, $keyVar, substr($argName, strlen($prefix)));
}
// variable with the arguments value:
self::setVariable($parser, $valVar, $argVal);
// expand current run:
$output .= trim($frame->expand($rawCode));
}
return $output;
}
/**
* Function ensures that arrays are used for merging
*
* @param PPFrame $frame
*
* @return array
*/
protected function getFrameParams(PPFrame $frame)
{
//we use both getNamedArguments and getArguments to ensure we acquire variables no matter what frame is used
$namedArgs = $frame->getNamedArguments();
$namedArgs = isset($namedArgs) ? is_array($namedArgs) ? $namedArgs : [$namedArgs] : [];
$args = $frame->getArguments();
$args = isset($args) ? is_array($args) ? $args : [$args] : [];
return array_merge($namedArgs, $args);
}
