*/
public static function mergeConditions(array ...$conditions)
{
+ if (count($conditions) == 1) {
+ return current($conditions);
+ }
+
$conditionStrings = [];
$result = [];
foreach ($conditions as $key => $condition) {
+ if (!$condition) {
+ continue;
+ }
+
$condition = self::collapseCondition($condition);
$conditionStrings[] = array_shift($condition);