/// <summary>
/// Sets user defined handler to handle errors.
/// </summary>
/// <param name="ctx">Runtime context.</param>
/// <param name="newHandler">The user callback called to handle an error.</param>
/// <param name="errorTypes">Error types to be handled by the handler.</param>
/// <returns>
/// The PHP representation of previous user handler, <B>null</B> if there is no user one, or
/// <B>false</B> if <paramref name="newHandler"/> is invalid or empty.
/// </returns>
/// <remarks>
/// Stores old user handlers on the stack so that it is possible to
/// go back to arbitrary previous user handler.
/// </remarks>
public static PhpValue set_error_handler(Context ctx, IPhpCallable newHandler, PhpErrorSets errorTypes = PhpErrorSets.Handleable)
{
if (newHandler == null)
{
return(PhpValue.Null);
}
if (newHandler is PhpCallback && !((PhpCallback)newHandler).IsValid)
{
return(PhpValue.Null);
}
var errctx = GetErrorContext(ctx);
//var old_handler = ctx.UserErrorHandler;
//var old_handlers = errctx.OldUserErrorHandlers;
//// previous handler was defined by user => store it into the stack:
//if (old_handler != null)
//{
// if (old_handlers == null)
// {
// old_handlers = new Stack(5);
// RequestContext.RequestEnd += new Action(ClearOldUserHandlers);
// }
// old_handlers.Push(new ErrorHandlerRecord(old_handler, old_errors));
//}
//// sets the current handler:
//Configuration.Local.ErrorControl.UserHandler = newHandler;
//Configuration.Local.ErrorControl.UserHandlerErrors = (PhpError)errorTypes;
//// returns the previous handler:
//return (old_handler != null) ? old_handler.ToPhpRepresentation() : null;
return(PhpValue.Null);
}
/// <summary>
/// Sets user defined handler to handle errors.
/// </summary>
/// <param name="ctx">Runtime context.</param>
/// <param name="newHandler">The user callback called to handle an error.</param>
/// <param name="errorTypes">Error types to be handled by the handler.</param>
/// <returns>
/// The PHP representation of previous user handler, <B>null</B> if there is no user one, or
/// <B>false</B> if <paramref name="newHandler"/> is invalid or empty.
/// </returns>
/// <remarks>
/// Stores old user handlers on the stack so that it is possible to
/// go back to arbitrary previous user handler.
/// </remarks>
public static PhpValue set_error_handler(Context ctx, IPhpCallable newHandler, PhpErrorSets errorTypes = PhpErrorSets.Handleable)
{
if (newHandler == null)
{
return(PhpValue.Null);
}
if (newHandler is PhpCallback && !((PhpCallback)newHandler).IsValid)
{
return(PhpValue.Null);
}
var config = ctx.Configuration.Core;
var oldhandler = config.UserErrorHandler;
var oldtypes = config.UserErrorTypes;
if (oldhandler != null)
{
GetErrorContext(ctx).StoreErrorHandler(new ErrorHandlerRecord(oldhandler, oldtypes));
}
config.UserErrorHandler = newHandler;
config.UserErrorTypes = (PhpError)errorTypes;
// returns the previous handler:
return((oldhandler != null)
? oldhandler.ToPhpValue()
: PhpValue.Null);
}
