Please note that this will return true if the value is numerical, whether it's of type int/float, or a string. This is something to be aware of if you're expecting an array/object, which may cause issues down the line when handling it.Please note that this will return true if the value is numerical, whether it's of type int/float, or a string. This is something to be aware of if you're expecting an array/object, which may cause issues down the line when handling it.