protected override PhpCallable BindCore(Context ctx) => ctx.GetDeclaredFunction(_function)?.PhpCallable;
protected override PhpCallable BindCore(Context ctx) => ctx.GetDeclaredFunction(_function)?.PhpCallable;
/// <summary>
/// Checks the list of defined functions, both built-in and user-defined.
/// </summary>
/// <returns>Whether the function is declared.</returns>
public static bool function_exists(Context ctx, string name)
{
return ctx.GetDeclaredFunction(name) != null;
}