/// <summary>
/// Finds a custom function (a user defined function found in the parsed PHP code) by it's name
/// </summary>
/// <returns>The found custom function or null</returns>
/// <param name="name">The name of the function to find.</param>
public Function FindCustomFunctionByName(string name)
{
return(CustomFunctions.FirstOrDefault(x => x.Name == name) ??
CustomFunctions.FirstOrDefault(x => x.Aliases.Any(y => y == name)));
}