internal static object GetUserArrayItem(DObject /*!*/ arrayAccess, object index, Operators.GetItemKinds kind)
{
PhpStack stack = ScriptContext.CurrentContext.Stack;
switch (kind)
{
case Operators.GetItemKinds.Isset:
// pass isset() ""/null to say true/false depending on the value returned from "offsetExists":
stack.AddFrame(index);
return(Core.Convert.ObjectToBoolean(arrayAccess.InvokeMethod(offsetExists, null, stack.Context)) ? "" : null);
case Operators.GetItemKinds.Empty:
// if "offsetExists" returns false, the empty()/isset() returns false (pass null to say true/false):
// otherwise, "offsetGet" is called to retrieve the value, which is passed to isset():
stack.AddFrame(index);
if (!Core.Convert.ObjectToBoolean(arrayAccess.InvokeMethod(offsetExists, null, stack.Context)))
{
return(null);
}
else
{
goto default;
}
default:
// regular getter:
stack.AddFrame(index);
return(PhpVariable.Dereference(arrayAccess.InvokeMethod(offsetGet, null, stack.Context)));
}
}
protected override void SetArrayItemRefOverride(object key, PhpReference value)
{
PhpStack stack = ScriptContext.CurrentContext.Stack;
stack.AddFrame(key, value);
arrayAccess.InvokeMethod(offsetSet, null, stack.Context);
}
protected override object GetArrayItemOverride(object key, bool quiet)
{
PhpStack stack = ScriptContext.CurrentContext.Stack;
stack.AddFrame(key);
return(PhpVariable.Dereference(arrayAccess.InvokeMethod(offsetGet, null, stack.Context)));
}
