/**
* Evaluates the expression.
*
* @param env the calling environment.
* @return the expression value.
*/
@Override
public Var evalVar(Env env) {
Value obj = env.getThis();
if (obj.isNull()) {
cannotUseThisError(env);
return new Var();
}
return obj.getThisFieldVar(env, _name);
}
/** Evaluates as an array index assign ($a[index] = value). */
@Override
public Value evalArrayAssign(Env env, Value index, Value value) {
Value obj = env.getThis();
if (obj.isNull()) {
cannotUseThisError(env);
}
Value fieldVar = obj.getThisFieldVar(env, _name);
// php/03mm
return fieldVar.put(index, value);
}