Warning: array_merge() [function.array-merge]: Argument #2 is not an array

Warning: array_merge() [function.array-merge]: Argument #2 is not an array

 

 

$childArray=array_merge($childArray,$this->getChilds($child));

 

改成 $childArray=array_merge($childArray,(array)$this->getChilds($child));

 

array_merge第二个参数要强制转换成数组。