/**
* Gets a list of the possible booleans in this template, e.g. <% if $SoldOut %>
* @return array
*/
public function getPossibleBooleans()
{
if ($this->possibleBooleans) {
return $this->possibleBooleans;
}
$booleans = array();
preg_match_all("/<% (if not|if) [\$]?([A-Za-z0-9._]+)(.*?) %>/", $this->getTopLevelContent(), $matches);
if ($matches) {
foreach ($matches[2] as $m) {
$label = trim($m);
// We already identified this boolean earlier in the loop
if (in_array($label, $booleans)) {
continue;
}
// The condition is based on a core template accessor, e.g. <% if $Menu(2) %>
if (in_array(strtolower($label), $this->reflector->getTemplateAccessors())) {
continue;
}
// The condition is based on a core list method, e.g. <% if $Last %>
if (in_array(strtolower($label), $this->reflector->getListFunctions())) {
continue;
}
// The condition is based on a block we have already identified, e.g. <% if $Items %>
if ($this->reflector->getBlockByName($label)) {
continue;
}
$booleans[] = $label;
}
}
return $this->possibleBooleans = $booleans;
}
