C# PhpArray.Prepend方法代码示例

		public static PhpArray Reverse(PhpArray array, bool preserveKeys)
		{
			if (array == null)
			{
				PhpException.ArgumentNull("array");
				return null;
			}

			PhpArray result = new PhpArray();

			if (preserveKeys)
			{
				// changes only the order of elements:
				foreach (KeyValuePair<IntStringKey, object> entry in array)
					result.Prepend(entry.Key, entry.Value);
			}
			else
			{
				// changes the order of elements and reindexes integer keys:
				int i = array.IntegerCount;
				foreach (KeyValuePair<IntStringKey, object> entry in array)
				{
					if (entry.Key.IsString)
						result.Prepend(entry.Key.String, entry.Value);
					else
						result.Prepend(--i, entry.Value);
				}
			}

			// if called by PHP languge then all items in the result should be inplace deeply copied:
			result.InplaceCopyOnReturn = true;
			return result;
		}

		/// <summary>
		/// Returns array containing current stack state. Each item is an array representing one stack frame.
		/// </summary>
		/// <returns>The stack trace.</returns>
		/// <remarks>
		/// The resulting array contains the following items (their keys are stated):
		/// <list type="bullet">
		/// <item><c>"file"</c> - a source file where the function/method has been called</item>
		/// <item><c>"line"</c> - a line in a source code where the function/method has been called</item>
		/// <item><c>"column"</c> - a column in a source code where the function/method has been called</item>
		/// <item><c>"function"</c> - a name of the function/method</item> 
		/// <item><c>"class"</c> - a name of a class where the method is declared (if any)</item>
		/// <item><c>"type"</c> - either "::" for static methods or "->" for instance methods</item>
		/// </list>
		/// Unsupported items:
		/// <list type="bullet">
		/// <item><c>"args"</c> - routine arguments</item>
		/// <item><c>"object"</c> - target instance of the method invocation</item>
		/// </list>
		/// </remarks>
		public PhpArray GetUserTrace()
		{
			int i = GetFrameCount() - 1;
			PhpArray result = new PhpArray();

			if (i >= 1)
			{
				PhpStackFrame info_frame = GetFrame(i--);

				while (i >= 0)
				{
					PhpStackFrame frame = GetFrame(i);
					PhpArray item = new PhpArray();

					// debug info may be unknown in the case of transient code:
					if (info_frame.Line > 0)
					{
						item["line"] = info_frame.Line;
						item["column"] = info_frame.Column;
					}
					item["file"] = info_frame.File;

					item["function"] = frame.Name;
					if (frame.IsMethod)
					{
						item["class"] = frame.DeclaringTypeName;
						item["type"] = frame.Operator;
					}

					result.Prepend(i, item);

					if (frame.HasDebugInfo)
						info_frame = frame;

					i--;
				}
			}

			return result;
		}