/// <summary>
/// Starts the session if it is not started yet.
/// </summary>
public virtual bool StartSession(Context ctx, IHttpPhpContext webctx)
{
// checks and changes session state:
if (webctx.SessionState != PhpSessionState.Closed)
{
return(false);
}
webctx.SessionState = PhpSessionState.InProgress;
try
{
// ensures session and reads session data
var session_array = this.Load(webctx) ?? PhpArray.NewEmpty();
// sets the auto-global variable (the previous content of $_SESSION array is discarded):
ctx.Session = session_array;
ctx.Globals[SESSION_Variable] = session_array;
//if (ctx.Configuration.Core.RegisterGlobals)
//{
// // ctx.RegisterSessionGlobals();
//}
// adds/updates a SID constant:
if (!ctx.DefineConstant(SID_Constant, GetSessionId(webctx), true))
{
throw new InvalidOperationException("SID already set."); // TODO: allow overwriting
}
}
catch
{
webctx.SessionState = PhpSessionState.Closed;
return(false);
}
finally
{
//
webctx.SessionState = PhpSessionState.Started;
}
//
return(true);
}
/// <summary>
/// Constant declaration.
/// </summary>
public static void DeclareConstant(Context ctx, string name, ref int idx, PhpValue value)
{
ctx.DefineConstant(name, value, ref idx, ignorecase: false);
}
/// <summary>
/// Defines a constant.
/// </summary>
/// <param name="ctx">Current runtime context.</param>
/// <param name="name">The name of the constant. Can be arbitrary string.</param>
/// <param name="value">The value of the constant. Can be <B>null</B> or a scalar or array.</param>
/// <param name="caseInsensitive">Whether the name is case insensitive.</param>
/// <returns>Whether the new constant has been defined.</returns>
public static bool define(Context ctx, string name, PhpValue value, bool caseInsensitive = false)
=> ctx.DefineConstant(name, value, caseInsensitive);